From aa15e59a05c6c9a19f4105ebeaae0f5479731225 Mon Sep 17 00:00:00 2001
From: Luis Guzman <Ark74@users.noreply.github.com>
Date: Fri, 20 May 2022 20:07:02 -0500
Subject: [PATCH] 7.0 (#80)

* Major rework, comply with shellcheck

## Add
* Add experimental tool for AWS grub setup.

## Fix
* Fix grafana configuration
* Actually apply changes to nginx conf instead of symlink.
* Actually require to run with admin rights.
* Improve comments.
* Rename and fix set_once function.
* Fix jibri domain.

## Improve
* Comply mode section with shellcheck recommendations.
* Comply tools section with shellcheck recommendations.
* Comply main scripts with shellcheck recommendations.
* Improve shell quality
* Change JDK version to 11
* Make warning visible.
* Change email position, and small fixes
* Several indenting changes
* Set warning instead of "note".
* Yet again more fixes on echo and printf
* Standarize jra_nextcloud
* Add comment on debconf state
* Update SwITNet copyright and standarize debug option for scripts.

## Remove
* Rename deprecated scripts folder
* Remove old
* Remove unused code
* Finally remove jigasi deprecated script.
---
 README.md                          |   2 +-
 add-jibri-node.sh                  | 120 ++---
 add-jvb2-node.sh                   |  51 +--
 {old => deprecated}/jigasi.sh      |  90 ++--
 etherpad-docker.sh                 |  49 +-
 grafana.sh                         |  48 +-
 jitsi-updater.sh                   | 112 +++--
 jm-bm.sh                           |  26 +-
 jra_nextcloud.sh                   | 265 ++++++-----
 mode/chp-mode.sh                   | 247 ++++++-----
 mode/grid/selenium-grid-docker.sh  |  36 +-
 mode/jms-stu.sh                    |  58 +--
 mode/jwt.sh                        |  55 ++-
 quick_jibri_installer.sh           | 688 ++++++++++++++---------------
 tools/aws-grub-setup.sh            |  51 ++-
 tools/fail2ban_ssh.sh              |  10 +-
 tools/jibri-conf-upgrade.sh        |  72 +--
 tools/jibri-resolution-enhancer.sh |  46 +-
 tools/start-over.sh                |  36 +-
 tools/test-jibri-env.sh            |  67 ++-
 20 files changed, 1078 insertions(+), 1051 deletions(-)
 rename {old => deprecated}/jigasi.sh (81%)

diff --git a/README.md b/README.md
index 5a041c3..41af906 100644
--- a/README.md
+++ b/README.md
@@ -119,4 +119,4 @@ Feel free to use our `test-jibri-env.sh` tool to find some details on your curre
 
 Please note: This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY.
 
-SwITNet Ltd © - 2021, https://switnet.net/
+SwITNet Ltd © - 2022, https://switnet.net/
diff --git a/add-jibri-node.sh b/add-jibri-node.sh
index 6d72e56..6ae2fc5 100644
--- a/add-jibri-node.sh
+++ b/add-jibri-node.sh
@@ -1,26 +1,19 @@
 #!/bin/bash
 # Jibri Node Aggregator
-# SwITNet Ltd © - 2021, https://switnet.net/
+# SwITNet Ltd © - 2022, https://switnet.net/
 # GPLv3 or later.
 
 ### 0_LAST EDITION TIME STAMP ###
 # LETS: AUTOMATED_EDITION_TIME
 ### 1_LAST EDITION ###
 
-#Make sure the file name is the required one
-if [ ! "$(basename $0)" = "add-jibri-node.sh" ]; then
-    echo "For most cases naming won't matter, for this one it does."
-    echo "Please use the original name for this script: \`add-jibri-node.sh', and run again."
-    exit
-fi
-
 while getopts m: option
 do
-    case "${option}"
-    in
-        m) MODE=${OPTARG};;
-        \?) echo "Usage: sudo ./add_jibri_node.sh [-m debug]" && exit;;
-    esac
+	case "${option}"
+	in
+		m) MODE=${OPTARG};;
+		\?) echo "Usage: sudo bash ./$0 [-m debug]" && exit;;
+	esac
 done
 
 #DEBUG
@@ -28,6 +21,13 @@ if [ "$MODE" = "debug" ]; then
 set -x
 fi
 
+#Make sure the file name is the required one
+if [ ! "$(basename "$0")" = "add-jibri-node.sh" ]; then
+    echo "For most cases naming won't matter, for this one it does."
+    echo "Please use the original name for this script: \`add-jibri-node.sh', and run again."
+    exit
+fi
+
 #Check admin rights
 if ! [ "$(id -u)" = 0 ]; then
    echo "You need to be root or have sudo privileges!"
@@ -55,7 +55,7 @@ CHD_VER="$(curl -sL https://chromedriver.storage.googleapis.com/LATEST_RELEASE)"
 GOOGL_REPO="/etc/apt/sources.list.d/dl_google_com_linux_chrome_deb.list"
 GOOGLE_ACTIVE_REPO=$(apt-cache policy | awk '/chrome/{print$3}' | awk -F "/" 'NR==1{print$2}')
 GCMP_JSON="/etc/opt/chrome/policies/managed/managed_policies.json"
-PUBLIC_IP="$(dig -4 @resolver1.opendns.com ANY myip.opendns.com +short)"
+#PUBLIC_IP="$(dig -4 @resolver1.opendns.com ANY myip.opendns.com +short)"
 NJN_RAND_TAIL="$(tr -dc "a-zA-Z0-9" < /dev/urandom | fold -w 4 | head -n1)"
 NJN_USER="jbnode${ADDUP}_${NJN_RAND_TAIL}"
 NJN_USER_PASS="$(tr -dc "a-zA-Z0-9#_*=" < /dev/urandom | fold -w 32 | head -n1)"
@@ -68,7 +68,7 @@ JIBRI_XORG_CONF="/etc/jitsi/jibri/xorg-video-dummy.conf"
 
 # sed limiters for add-jibri-node.sh variables
 var_dlim() {
-    grep -n $1 add-jibri-node.sh|head -n1|cut -d ":" -f1
+    grep -n "$1" add-jibri-node.sh|head -n1|cut -d ":" -f1
 }
 
 check_var() {
@@ -89,19 +89,19 @@ echo "
 # Checking initial necessary variables...
 #-----------------------------------------------------------------------"
 
-JMS_DATA=($MAIN_SRV_DIST \
-          $MAIN_SRV_REPO \
-          $MAIN_SRV_DOMAIN \
-          $JibriBrewery \
-          $JB_NAME \
-          $JB_AUTH_PASS \
-          $JB_REC_PASS \
-          $MJS_USER \
-          $MJS_USER_PASS \
-          $JIBRI_RES_CONF \
-          $JIBRI_RES_XORG_CONF)
+JMS_DATA=("$MAIN_SRV_DIST" \
+          "$MAIN_SRV_REPO" \
+          "$MAIN_SRV_DOMAIN" \
+          "$JibriBrewery" \
+          "$JB_NAME" \
+          "$JB_AUTH_PASS" \
+          "$JB_REC_PASS" \
+          "$MJS_USER" \
+          "$MJS_USER_PASS" \
+          "$JIBRI_RES_CONF" \
+          "$JIBRI_RES_XORG_CONF")
 
-JMS_EVAL=${JMS_DATA[0]}
+JMS_EVAL="${JMS_DATA[0]}"
 for i in "${JMS_DATA[@]}"; do
     if [[ "$JMS_EVAL" != "$i" ]]; then
         ALL_TBD="no"
@@ -152,7 +152,7 @@ else
 fi
 ### Test RAM size (8GB min) ###
 mem_available=$(grep MemTotal /proc/meminfo| grep -o '[0-9]\+')
-if [ ${mem_available} -lt 7700000 ]; then
+if [ "${mem_available}" -lt 7700000 ]; then
   echo "
 Warning!: The system do not meet the minimum RAM requirements for Jibri to run.
 >> We recommend 8GB RAM for Jibri!
@@ -190,7 +190,7 @@ sed -i "1i 127.0.0.1 jbnode_${SHORT_ID}.${MAIN_SRV_DOMAIN}" /etc/hosts
 # Jitsi-Meet Repo
 echo "Add Jitsi repo"
 if [ -z "$JITSI_REPO" ]; then
-    echo "deb http://download.jitsi.org $MAIN_SRV_REPO/" > /etc/apt/sources.list.d/jitsi-$MAIN_SRV_REPO.list
+    echo "deb http://download.jitsi.org $MAIN_SRV_REPO/" > /etc/apt/sources.list.d/jitsi-"$MAIN_SRV_REPO".list
     wget -qO -  https://download.jitsi.org/jitsi-key.gpg.key | apt-key add -
 elif [ ! "$JITSI_REPO" = "$MAIN_SRV_REPO" ]; then
     echo "Main and node servers repository don't match, extiting.."
@@ -235,7 +235,7 @@ else
 # Your audio driver might not be able to load.
 # We'll check the state of this Jibri with our 'test-jibri-env.sh' tool.
 #-----------------------------------------------------------------------"
-curl -s $TEST_JIBRI_ENV > /tmp/test-jibri-env.sh
+curl -s "$TEST_JIBRI_ENV" > /tmp/test-jibri-env.sh
 #Test tool
   if [ "$MODE" = "debug" ]; then
     bash /tmp/test-jibri-env.sh -m debug
@@ -248,14 +248,14 @@ fi
 }
 
 echo "# Check and Install HWE kernel if possible..."
-HWE_VIR_MOD=$(apt-cache madison linux-image-generic-hwe-$(lsb_release -sr) 2>/dev/null|head -n1|grep -c "hwe-$(lsb_release -sr)")
+HWE_VIR_MOD="$(apt-cache madison linux-image-generic-hwe-"$(lsb_release -sr)" 2>/dev/null|head -n1|grep -c hwe-"$(lsb_release -sr)")"
 if [ "$HWE_VIR_MOD" = "1" ]; then
     apt-get -y install \
-    linux-image-generic-hwe-$(lsb_release -sr)
+    linux-image-generic-hwe-"$(lsb_release -sr)"
 else
     apt-get -y install \
     linux-image-generic \
-    linux-modules-extra-$(uname -r)
+    linux-modules-extra-"$(uname -r)"
 fi
 
 echo "
@@ -273,7 +273,7 @@ if [ "$GOOGLE_ACTIVE_REPO" = "main" ]; then
 else
     echo "Installing Google Chrome Stable"
     wget -q -O - https://dl.google.com/linux/linux_signing_key.pub | apt-key add -
-    echo "deb http://dl.google.com/linux/chrome/deb/ stable main" | tee $GOOGL_REPO
+    echo "deb http://dl.google.com/linux/chrome/deb/ stable main" | tee "$GOOGL_REPO"
 fi
 apt-get -q2 update
 apt-get install -y google-chrome-stable
@@ -283,7 +283,7 @@ if [ -f /usr/local/bin/chromedriver ]; then
     echo "Chromedriver already installed."
 else
     echo "Installing Chromedriver"
-    wget -q https://chromedriver.storage.googleapis.com/$CHD_VER/chromedriver_linux64.zip -O /tmp/chromedriver_linux64.zip
+    wget -q https://chromedriver.storage.googleapis.com/"$CHD_VER"/chromedriver_linux64.zip -O /tmp/chromedriver_linux64.zip
     unzip /tmp/chromedriver_linux64.zip -d /usr/local/bin/
     chown root:root /usr/local/bin/chromedriver
     chmod 0755 /usr/local/bin/chromedriver
@@ -305,18 +305,18 @@ echo "
 Remove Chrome warning...
 "
 mkdir -p /etc/opt/chrome/policies/managed
-echo '{ "CommandLineFlagSecurityWarningsEnabled": false }' > $GCMP_JSON
+echo '{ "CommandLineFlagSecurityWarningsEnabled": false }' > "$GCMP_JSON"
 
 # Recording directory
-if [ ! -d $DIR_RECORD ]; then
-mkdir $DIR_RECORD
+if [ ! -d "$DIR_RECORD" ]; then
+mkdir "$DIR_RECORD"
 fi
-chown -R jibri:jibri $DIR_RECORD
+chown -R jibri:jibri "$DIR_RECORD"
 
-cat << REC_DIR > $REC_DIR
+cat << REC_DIR > "$REC_DIR"
 #!/bin/bash
 
-RECORDINGS_DIR=$DIR_RECORD
+RECORDINGS_DIR="$DIR_RECORD"
 
 echo "This is a dummy finalize script" > /tmp/finalize.out
 echo "The script was invoked with recordings directory $RECORDINGS_DIR." >> /tmp/finalize.out
@@ -341,12 +341,12 @@ fi
 
 exit 0
 REC_DIR
-chown jibri:jibri $REC_DIR
-chmod +x $REC_DIR
+chown jibri:jibri "$REC_DIR"
+chmod +x "$REC_DIR"
 
 ## New Jibri Config (2020)
-mv $JIBRI_CONF ${JIBRI_CONF}-dpkg-file
-cat << NEW_CONF > $JIBRI_CONF
+mv "$JIBRI_CONF" "${JIBRI_CONF}"-dpkg-file
+cat << NEW_CONF > "$JIBRI_CONF"
 // New XMPP environment config.
 jibri {
     streaming {
@@ -459,25 +459,25 @@ jibri {
 NEW_CONF
 
 #Jibri xorg resolution
-sed -i "s|[[:space:]]Virtual .*|Virtual $JIBRI_RES_XORG_CONF|" $JIBRI_XORG_CONF
+sed -i "s|[[:space:]]Virtual .*|Virtual $JIBRI_RES_XORG_CONF|" "$JIBRI_XORG_CONF"
 
 echo -e "\n---- Create random nodesync user ----"
-useradd -m -g jibri $NJN_USER
+useradd -m -g jibri "$NJN_USER"
 echo "$NJN_USER:$NJN_USER_PASS" | chpasswd
 
 echo -e "\n---- We'll connect to main server ----"
 read -n 1 -s -r -p "Press any key to continue..."$'\n'
-sudo su $NJN_USER -c "ssh-keygen -t rsa -f ~/.ssh/id_rsa -b 4096 -o -a 100 -q -N ''"
+sudo su "$NJN_USER" -c "ssh-keygen -t rsa -f ~/.ssh/id_rsa -b 4096 -o -a 100 -q -N ''"
 
 #Workaround for jibri to do cleaning.
-install -m 0600 -o jibri /home/$NJN_USER/.ssh/id_rsa /home/jibri/jbsync.pem
+install -m 0600 -o jibri /home/"$NJN_USER"/.ssh/id_rsa /home/jibri/jbsync.pem
 sudo su jibri -c "install -D /dev/null /home/jibri/.ssh/known_hosts"
 sudo su jibri -c "ssh-keyscan -t rsa $MAIN_SRV_DOMAIN >> /home/jibri/.ssh/known_hosts"
 
 echo -e "\n\n##################\nRemote pass: $MJS_USER_PASS\n################## \n\n"
-ssh-keyscan -t rsa $MAIN_SRV_DOMAIN >> ~/.ssh/known_hosts
-ssh $MJS_USER@$MAIN_SRV_DOMAIN sh -c "'cat >> .ssh/authorized_keys'" < /home/$NJN_USER/.ssh/id_rsa.pub
-sudo su $NJN_USER -c "ssh-keyscan -t rsa $MAIN_SRV_DOMAIN >> /home/$NJN_USER/.ssh/known_hosts"
+ssh-keyscan -t rsa "$MAIN_SRV_DOMAIN" >> ~/.ssh/known_hosts
+ssh "$MJS_USER"@"$MAIN_SRV_DOMAIN" sh -c "'cat >> .ssh/authorized_keys'" < /home/"$NJN_USER"/.ssh/id_rsa.pub
+sudo su "$NJN_USER" -c "ssh-keyscan -t rsa $MAIN_SRV_DOMAIN >> /home/$NJN_USER/.ssh/known_hosts"
 
 echo -e "\n---- Setup Log system ----"
 cat << INOT_RSYNC > /etc/jitsi/jibri/remote-jbsync.sh
@@ -486,21 +486,21 @@ cat << INOT_RSYNC > /etc/jitsi/jibri/remote-jbsync.sh
 # Log process
 exec 3>&1 4>&2
 trap 'exec 2>&4 1>&3' 0 1 2 3
-exec 1>/var/log/$NJN_USER/remote_jnsync.log 2>&1
+exec 1>/var/log/"$NJN_USER"/remote_jnsync.log 2>&1
 
 # Run sync
 while true; do
-  inotifywait  -t 60 -r -e modify,attrib,close_write,move,delete $DIR_RECORD
-  sudo su $NJN_USER -c "rsync -Aax  --info=progress2 --remove-source-files --exclude '.*/' $DIR_RECORD/ $MJS_USER@$MAIN_SRV_DOMAIN:$DIR_RECORD"
-  find $DIR_RECORD -depth -type d -empty -not -path $DIR_RECORD -delete
+  inotifywait  -t 60 -r -e modify,attrib,close_write,move,delete "$DIR_RECORD"
+  sudo su "$NJN_USER" -c "rsync -Aax  --info=progress2 --remove-source-files --exclude '.*/' $DIR_RECORD/ $MJS_USER@$MAIN_SRV_DOMAIN:$DIR_RECORD"
+  find "$DIR_RECORD" -depth -type d -empty -not -path "$DIR_RECORD" -delete
 done
 INOT_RSYNC
 
 
-mkdir /var/log/$NJN_USER
+mkdir /var/log/"$NJN_USER"
 
-cat << LOG_ROT > /etc/logrotate.d/$NJN_USER
-/var/log/$NJN_USER/*.log {
+cat << LOG_ROT > /etc/logrotate.d/"$NJN_USER"
+/var/log/"$NJN_USER"/*.log {
     monthly
     missingok
     rotate 12
@@ -561,7 +561,7 @@ echo "
 echo "Make sure to reboot, it's necessary before *any* usage.
 Rebooting in..."
 secs=$((15))
-while [ $secs -gt 0 ]; do
+while [ "$secs" -gt 0 ]; do
    echo -ne "$secs\033[0K\r"
    sleep 1
    : $((secs--))
diff --git a/add-jvb2-node.sh b/add-jvb2-node.sh
index 34fdb46..d94ab67 100644
--- a/add-jvb2-node.sh
+++ b/add-jvb2-node.sh
@@ -1,26 +1,19 @@
 #!/bin/bash
 # JVB2 Node Aggregator
-# SwITNet Ltd © - 2021, https://switnet.net/
+# SwITNet Ltd © - 2022, https://switnet.net/
 # GPLv3 or later.
 
 ### 0_LAST EDITION TIME STAMP ###
 # LETS: AUTOMATED_EDITION_TIME
 ### 1_LAST EDITION ###
 
-#Make sure the file name is the required one
-if [ ! "$(basename $0)" = "add-jvb2-node.sh" ]; then
-    echo "For most cases naming won't matter, for this one it does."
-    echo "Please use the original name for this script: \`add-jvb2-node.sh', and run again."
-    exit
-fi
-
 while getopts m: option
 do
-    case "${option}"
-    in
-        m) MODE=${OPTARG};;
-        \?) echo "Usage: sudo ./add-jvb2-node.sh [-m debug]" && exit;;
-    esac
+	case "${option}"
+	in
+		m) MODE=${OPTARG};;
+		\?) echo "Usage: sudo bash ./$0 [-m debug]" && exit;;
+	esac
 done
 
 #DEBUG
@@ -28,6 +21,14 @@ if [ "$MODE" = "debug" ]; then
 set -x
 fi
 
+#Make sure the file name is the required one
+if [ ! "$(basename "$0")" = "add-jvb2-node.sh" ]; then
+    echo "For most cases naming won't matter, for this one it does."
+    echo "Please use the original name for this script: \`add-jvb2-node.sh', and run again."
+    exit
+fi
+
+
 #Check admin rights
 if ! [ "$(id -u)" = 0 ]; then
    echo "You need to be root or have sudo privileges!"
@@ -53,10 +54,10 @@ SHARD_DOMAIN=TBD
 SHARD_PASS=TBD
 MUC_JID=TBD
 
-MJS_USER=TBD
-MJS_USER_PASS=TBD
-START=0
-LAST=TBD
+#MJS_USER=TBD
+#MJS_USER_PASS=TBD
+#START=0
+#LAST=TBD
 
 THIS_SRV_DIST=$(lsb_release -sc)
 JITSI_REPO=$(apt-cache policy | awk '/jitsi/&&/stable/{print$3}' | awk -F / 'NR==1{print$1}')
@@ -71,7 +72,7 @@ SHORT_ID="$(awk '{print substr($0,0,7)}' /etc/machine-id)"
 
 # sed limiters for add-jvb2-node.sh variables
 var_dlim() {
-    grep -n $1 add-jvb2-node.sh|head -n1|cut -d ":" -f1
+    grep -n "$1" add-jvb2-node.sh|head -n1|cut -d ":" -f1
 }
 
 check_var() {
@@ -105,7 +106,7 @@ else
 fi
 ### Test RAM size (8GB min) ###
 mem_available=$(grep MemTotal /proc/meminfo| grep -o '[0-9]\+')
-if [ ${mem_available} -lt 7700000 ]; then
+if [ "${mem_available}" -lt 7700000 ]; then
   echo "
 Warning!: The system do not meet the CPU recomendations for a JVB node for heavy loads.
 >> We recommend 8GB RAM or above for JVB2!
@@ -141,7 +142,7 @@ echo "
 #-----------------------------------------------------------------------"
 
 check_var JVB_HOSTNNAME "$JVB_HOSTNAME"
-if [ -z $JVB_HOST ]; then
+if [ -z "$JVB_HOST" ]; then
   echo "JVB_HOST is empty, but it may be ok for it to be empty, skipping empty test."
 else
   check_var JVB_HOST "$JVB_HOST"
@@ -166,7 +167,7 @@ sed -i "1i 127.0.0.1 jvb_${SHORT_ID}.${MAIN_SRV_DOMAIN}" /etc/hosts
 # Jitsi-Meet Repo
 echo "Add Jitsi repo"
 if [ -z "$JITSI_REPO" ]; then
-    echo "deb http://download.jitsi.org $MAIN_SRV_REPO/" > /etc/apt/sources.list.d/jitsi-$MAIN_SRV_REPO.list
+    echo "deb http://download.jitsi.org $MAIN_SRV_REPO/" > /etc/apt/sources.list.d/jitsi-"$MAIN_SRV_REPO".list
     wget -qO -  https://download.jitsi.org/jitsi-key.gpg.key | apt-key add -
 elif [ ! "$JITSI_REPO" = "$MAIN_SRV_REPO" ]; then
     echo "Main and node servers repository don't match, extiting.."
@@ -193,14 +194,14 @@ apt-get -y install \
                     wget
 
 echo "# Check and Install HWE kernel if possible..."
-HWE_VIR_MOD=$(apt-cache madison linux-modules-extra-virtual-hwe-$(lsb_release -sr) 2>/dev/null|head -n1|grep -c "extra-virtual-hwe")
+HWE_VIR_MOD="$(apt-cache madison linux-modules-extra-virtual-hwe-"$(lsb_release -sr)" 2>/dev/null|head -n1|grep -c "extra-virtual-hwe")"
 if [ "$HWE_VIR_MOD" == "1" ]; then
     apt-get -y install \
-    linux-image-generic-hwe-$(lsb_release -sr) \
-    linux-modules-extra-virtual-hwe-$(lsb_release -sr)
+    linux-image-generic-hwe-"$(lsb_release -sr)" \
+    linux-modules-extra-virtual-hwe-"$(lsb_release -sr)"
     else
     apt-get -y install \
-    linux-modules-extra-$(uname -r)
+    linux-modules-extra-"$(uname -r)"
 fi
 
 echo "
diff --git a/old/jigasi.sh b/deprecated/jigasi.sh
similarity index 81%
rename from old/jigasi.sh
rename to deprecated/jigasi.sh
index ee43517..ed5d7b1 100644
--- a/old/jigasi.sh
+++ b/deprecated/jigasi.sh
@@ -9,7 +9,7 @@
 #######################################################
 
 #Check if user is root
-if ! [ $(id -u) = 0 ]; then
+if ! [ "$(id -u)" = 0 ]; then
    echo "You need to be root or have sudo privileges!"
    exit 0
 fi
@@ -22,17 +22,17 @@ echo '
                     by Software, IT & Networks Ltd
 '
 
-JIGASI_CONFIG=/etc/jitsi/jigasi/config
-GC_API_JSON=/opt/gc-sdk/GCTranscriptAPI.json
-DOMAIN=$(ls /etc/prosody/conf.d/ | grep -v localhost | awk -F'.cfg' '{print $1}' | awk '!NF || !seen[$0]++')
-MEET_CONF=/etc/jitsi/meet/${DOMAIN}-config.js
-JIG_SIP_CONF=/etc/jitsi/jigasi/config
-JIG_SIP_PROP=/etc/jitsi/jigasi/sip-communicator.properties
-JIC_SIP_PROP=/etc/jitsi/jicofo/sip-communicator.properties
+JIGASI_CONFIG="/etc/jitsi/jigasi/config"
+GC_API_JSON="/opt/gc-sdk/GCTranscriptAPI.json"
+DOMAIN="$(find /etc/prosody/conf.d/ -name \*.lua|awk -F'.cfg' '!/localhost/{print $1}'|xargs basename)"
+MEET_CONF="/etc/jitsi/meet/${DOMAIN}-config.js"
+JIG_SIP_CONF="/etc/jitsi/jigasi/config"
+JIG_SIP_PROP="/etc/jitsi/jigasi/sip-communicator.properties"
+JIC_SIP_PROP="/etc/jitsi/jicofo/sip-communicator.properties"
 JIG_TRANSC_PASWD="$(tr -dc "a-zA-Z0-9#*=" < /dev/urandom | fold -w 8 | head -n1)"
 JIG_TRANSC_PASWD_B64="$(echo -n "$JIG_TRANSC_PASWD" | base64)"
-DIST=$(lsb_release -sc)
-CHECK_GC_REPO=$(apt-cache policy | grep http | grep cloud-sdk | head -n1 | awk '{print $3}' | awk -F '/' '{print $1}')
+DIST="$(lsb_release -sc)"
+CHECK_GC_REPO="$(apt-cache policy | grep http | grep cloud-sdk | head -n1 | awk '{print $3}' | awk -F '/' '{print $1}')"
 
 install_gc_repo() {
 if [ "$CHECK_GC_REPO" = "cloud-sdk-$DIST" ]; then
@@ -66,7 +66,7 @@ do
     fi
 done
 
-if [ $SETUP_TYPE = 1 ]; then
+if [ "$SETUP_TYPE" = 1 ]; then
 ### Start of new project configuration - Google SDK
 #Setup option 1 - Google Cloud SDK
 echo "Once logged on Google Cloud SDK, please create a new project (last option)."
@@ -79,14 +79,14 @@ gcloud auth application-default login
 # Start Google Cloud Configuration - Application Service
 GC_MEMBER=transcript
 echo "Checking if project exist..."
-PROJECT_GC_ID=$(gcloud projects list | grep $GC_PROJECT_NAME | awk '{print$3}')
-while [ -z $PROJECT_GC_ID ]
+PROJECT_GC_ID="$(gcloud projects list | grep "$GC_PROJECT_NAME" | awk '{print$3}')"
+while [ -z "$PROJECT_GC_ID" ]
 do
 read -p "Enter the project name you just created for Jigasi Speech-to-Text"$'\n' -r GC_PROJECT_NAME
-if [ -z PROJECT_GC_ID ]; then
+if [ -z "$PROJECT_GC_ID" ]; then
     echo "Please check your project name,"
     echo "There is no project listed with the provided name: $GC_PROJECT_NAME"
-        PROJECT_GC_ID=$(gcloud projects list | grep $GC_PROJECT_NAME | awk '{print$3}')
+        PROJECT_GC_ID="$(gcloud projects list | grep "$GC_PROJECT_NAME" | awk '{print$3}')"
     fi
 done
 echo "Your $GC_PROJECT_NAME ID's project is: $PROJECT_GC_ID"
@@ -102,18 +102,18 @@ do
 CHECK_BILLING="$(gcloud services enable speech.googleapis.com 2>/dev/null)"
 if [[ $? -eq 1 ]]; then
         echo "Seems you haven't enabled billing for this project: $GC_PROJECT_NAME"
-        exho "  For that go to: https://console.developers.google.com/project/$PROJECT_GC_ID/settings
+        echo "  For that go to: https://console.developers.google.com/project/$PROJECT_GC_ID/settings
     "
-        read -p "Press Enter to continue"
+        read -rp "Press Enter to continue"
         CHECK_BILLING="$(gcloud services enable speech.googleapis.com 2>/dev/null)"
 fi
 done
 echo "Billing account seems setup, continuing..."
 
-gcloud iam service-accounts create $GC_MEMBER
+gcloud iam service-accounts create "$GC_MEMBER"
 
-gcloud projects add-iam-policy-binding  $GC_PROJECT_NAME \
-    --member serviceAccount:$GC_MEMBER@$GC_PROJECT_NAME.iam.gserviceaccount.com \
+gcloud projects add-iam-policy-binding  "$GC_PROJECT_NAME" \
+    --member serviceAccount:"$GC_MEMBER"@"$GC_PROJECT_NAME".iam.gserviceaccount.com \
     --role  roles/editor
 
 echo "Setup credentials:"
@@ -133,7 +133,7 @@ fi
 echo "Setting up JSON key file..."
 sleep 2
 mkdir /opt/gc-sdk/
-cat << KEY_JSON > $GC_API_JSON
+cat << KEY_JSON > "$GC_API_JSON"
 #
 # Paste below this comment your GC JSON key for the service account:
 # $GC_MEMBER@$GC_PROJECT_NAME.iam.gserviceaccount.com
@@ -143,11 +143,11 @@ cat << KEY_JSON > $GC_API_JSON
 # These comment lines will be deleted afterwards.
 #
 KEY_JSON
-chmod 644 $GC_API_JSON
-nano $GC_API_JSON
-sed -i '/^#/d' $GC_API_JSON
+chmod 644 "$GC_API_JSON"
+nano "$GC_API_JSON"
+sed -i '/^#/d' "$GC_API_JSON"
 
-CHECK_JSON_KEY="$(cat $GC_API_JSON | python -m json.tool 2>/dev/null)"
+CHECK_JSON_KEY="$(cat "$GC_API_JSON" | python -m json.tool 2>/dev/null)"
 while [[ $? -eq 1 ]]
 do
 CHECK_JSON_KEY="$(cat $GC_API_JSON | python -m json.tool 2>/dev/null)"
@@ -169,7 +169,7 @@ echo "Installing Jigasi, your SIP credentials will be asked. (mandatory)"
 apt-get -y install jigasi
 #apt-mark hold jigasi
 
-cat  << JIGASI_CONF >> $JIGASI_CONFIG
+cat  << JIGASI_CONF >> "$JIGASI_CONFIG"
 
 GOOGLE_APPLICATION_CREDENTIALS=$GC_API_JSON
 
@@ -179,24 +179,24 @@ echo "Your Google Cloud credentials are at $GC_API_JSON"
 
 echo "Setting up Jigasi transcript with current platform..."
 #Connect callcontrol
-sed -i "s|// call_control:|call_control:|" $MEET_CONF
-sed -i "s|// transcribingEnabled|transcribingEnabled|" $MEET_CONF
-sed -i "/transcribingEnabled/ s|false|true|" $MEET_CONF
+sed -i "s|// call_control:|call_control:|" "$MEET_CONF"
+sed -i "s|// transcribingEnabled|transcribingEnabled|" "$MEET_CONF"
+sed -i "/transcribingEnabled/ s|false|true|" "$MEET_CONF"
 
 #siptest2siptest@domain.con
 #changed from conference to internal.auth from jibri
-sed -i "s|siptest|siptest@internal.auth.$DOMAIN|" $JIG_SIP_PROP
+sed -i "s|siptest|siptest@internal.auth.$DOMAIN|" "$JIG_SIP_PROP"
 
 #Disable component in favor of MUC
-if [ $(grep -c nocomponent $JIG_SIP_CONF) != 0 ]; then
+if [ "$(grep -c nocomponent "$JIG_SIP_CONF")" != 0 ]; then
     echo "Jigasi component is already disabled."
 else
     echo "Disabling jigasi component in favor of MUC"
-    sed -i "s|JIGASI_OPTS=.*|JIGASI_OPTS=\"--nocomponent=true\"|" $JIG_SIP_CONF
+    sed -i "s|JIGASI_OPTS=.*|JIGASI_OPTS=\"--nocomponent=true\"|" "$JIG_SIP_CONF"
 fi
 
 #Setup XMPP
-cat << ACC1_XMPP >> $JIG_SIP_PROP
+cat << ACC1_XMPP >> "$JIG_SIP_PROP"
 
 # XMPP account used for control
 net.java.sip.communicator.impl.protocol.jabber.acc1=acc1
@@ -265,30 +265,30 @@ org.jitsi.jigasi.xmpp.acc.ALLOW_NON_SECURE=true
 ACC1_XMPP
 
 #Enable transcription config
-sed -i "/ENABLE_TRANSCRIPTION/ s|#||" $JIG_SIP_PROP
-sed -i "/ENABLE_TRANSCRIPTION/ s|false|true|" $JIG_SIP_PROP
-sed -i "/ENABLE_SIP/ s|#||" $JIG_SIP_PROP
-sed -i "/ENABLE_SIP/ s|true|false|" $JIG_SIP_PROP
+sed -i "/ENABLE_TRANSCRIPTION/ s|#||" "$JIG_SIP_PROP"
+sed -i "/ENABLE_TRANSCRIPTION/ s|false|true|" "$JIG_SIP_PROP"
+sed -i "/ENABLE_SIP/ s|#||" "$JIG_SIP_PROP"
+sed -i "/ENABLE_SIP/ s|true|false|" "$JIG_SIP_PROP"
 
 #Transcript format
-sed -i "/SAVE_JSON/ s|# ||" $JIG_SIP_PROP
-sed -i "/SEND_JSON/ s|# ||" $JIG_SIP_PROP
-sed -i "/SAVE_TXT/ s|# ||" $JIG_SIP_PROP
-sed -i "/SEND_TXT/ s|# ||" $JIG_SIP_PROP
+sed -i "/SAVE_JSON/ s|# ||" "$JIG_SIP_PROP"
+sed -i "/SEND_JSON/ s|# ||" "$JIG_SIP_PROP"
+sed -i "/SAVE_TXT/ s|# ||" "$JIG_SIP_PROP"
+sed -i "/SEND_TXT/ s|# ||" "$JIG_SIP_PROP"
 #sed -i "/SEND_TXT/ s|false|true|" $JIG_SIP_PROP
 
 #Allow to connect other than same server only.
 sed -i \
 "/xmpp.acc.SERVER_ADDRESS/ s|org.jitsi.jigasi.xmpp.acc.SERVER_ADDRESS=.*|org.jitsi.jigasi.xmpp.acc.SERVER_ADDRESS=$DOMAIN|" \
-$JIG_SIP_PROP
+"$JIG_SIP_PROP"
 
 #Remember to study how to use LE or what's needed #ToDo
-sed -i "/ALWAYS_TRUST_MODE_ENABLED/ s|# ||" $JIG_SIP_PROP
+sed -i "/ALWAYS_TRUST_MODE_ENABLED/ s|# ||" "$JIG_SIP_PROP"
 
-prosodyctl register jigasi auth.$DOMAIN $JIG_TRANSC_PASWD
+prosodyctl register jigasi auth."$DOMAIN" "$JIG_TRANSC_PASWD"
 
 #Set Brewery
-cat << JIG_JIC >> $JIC_SIP_PROP
+cat << JIG_JIC >> "$JIC_SIP_PROP"
 org.jitsi.jicofo.jigasi.BREWERY=JigasiBreweryRoom@internal.auth.$DOMAIN
 JIG_JIC
 
diff --git a/etherpad-docker.sh b/etherpad-docker.sh
index c9568ff..e78be9c 100644
--- a/etherpad-docker.sh
+++ b/etherpad-docker.sh
@@ -6,11 +6,11 @@
 
 while getopts m: option
 do
-    case "${option}"
-    in
-        m) MODE=${OPTARG};;
-        \?) echo "Usage: sudo ./etherpad-docker.sh [-m debug]" && exit;;
-    esac
+	case "${option}"
+	in
+		m) MODE=${OPTARG};;
+		\?) echo "Usage: sudo bash ./$0 [-m debug]" && exit;;
+	esac
 done
 
 #DEBUG
@@ -18,7 +18,7 @@ if [ "$MODE" = "debug" ]; then
 set -x
 fi
 
-if ! [ $(id -u) = 0 ]; then
+if ! [ "$(id -u)" = 0 ]; then
    echo "You need to be root or have sudo privileges!"
    exit 0
 fi
@@ -35,14 +35,14 @@ check_apt_policy() {
 apt-cache policy 2>/dev/null| awk "/$1/{print \$3}" | awk -F '/' 'NR==1{print$2}'
 }
 install_ifnot() {
-if [ "$(dpkg-query -W -f='${Status}' $1 2>/dev/null | grep -c "ok installed")" == "1" ]; then
+if [ "$(dpkg-query -W -f='${Status}' "$1" 2>/dev/null | grep -c "ok installed")" == "1" ]; then
     echo " $1 is installed, skipping..."
     else
         echo -e "\n---- Installing $1 ----"
-        apt-get -yq2 install $1
+        apt-get -yq2 install "$1"
 fi
 }
-DOMAIN="$(ls /etc/prosody/conf.d/ | awk -F'.cfg' '!/localhost/{print $1}' | awk '!NF || !seen[$0]++')"
+DOMAIN="$(find /etc/prosody/conf.d/ -name \*.lua|awk -F'.cfg' '!/localhost/{print $1}'|xargs basename)"
 MEET_CONF="/etc/jitsi/meet/$DOMAIN-config.js"
 WS_CONF="/etc/nginx/sites-available/$DOMAIN.conf"
 PSGVER="$(apt-cache madison postgresql|awk -F'[ +]' 'NR==1{print $3}')"
@@ -65,7 +65,7 @@ read -p "Set your etherpad docker admin password: " -r ETHERPAD_ADMIN_PASS
 
 # Install required packages
 install_ifnot docker-ce
-install_ifnot postgresql-$PSGVER
+install_ifnot postgresql-"$PSGVER"
 
 # Create DB
 echo -e "> Creating postgresql database for container...\n"
@@ -100,37 +100,36 @@ fi
 
 # Tune webserver for Jitsi App control
 
-if [ $(grep -c "etherpad" $WS_CONF) != 0 ]; then
+if [ "$(grep -c etherpad "$WS_CONF")" != 0 ]; then
     echo "> Webserver seems configured, skipping..."
-elif [ -f $WS_CONF ]; then
+elif [ -f "$WS_CONF" ]; then
     echo "> Setting up webserver configuration file..."
-    sed -i "/# ensure all static content can always be found first/i \ \ \ \ #Etherpad block" $WS_CONF
-    sed -i "/# ensure all static content can always be found first/i \ \ \ \ location \^\~\ \/etherpad\/ {" $WS_CONF
-    sed -i "/# ensure all static content can always be found first/i \ \ \ \ \ \ \ \ proxy_pass http:\/\/localhost:9001\/;" $WS_CONF
-    sed -i "/# ensure all static content can always be found first/i \ \ \ \ \ \ \ \ proxy_set_header X-Forwarded-For \$remote_addr;" $WS_CONF
-    sed -i "/# ensure all static content can always be found first/i \ \ \ \ \ \ \ \ proxy_buffering off;" $WS_CONF
-    sed -i "/# ensure all static content can always be found first/i \ \ \ \ \ \ \ \ proxy_set_header       Host \$host;" $WS_CONF
-    sed -i "/# ensure all static content can always be found first/i \ \ \ \ }" $WS_CONF
-    sed -i "/# ensure all static content can always be found first/i \\\n" $WS_CONF
+    sed -i "/# ensure all static content can always be found first/i \ \ \ \ #Etherpad block" "$WS_CONF"
+    sed -i "/# ensure all static content can always be found first/i \ \ \ \ location \^\~\ \/etherpad\/ {" "$WS_CONF"
+    sed -i "/# ensure all static content can always be found first/i \ \ \ \ \ \ \ \ proxy_pass http:\/\/localhost:9001\/;" "$WS_CONF"
+    sed -i "/# ensure all static content can always be found first/i \ \ \ \ \ \ \ \ proxy_set_header X-Forwarded-For \$remote_addr;" "$WS_CONF"
+    sed -i "/# ensure all static content can always be found first/i \ \ \ \ \ \ \ \ proxy_buffering off;" "$WS_CONF"
+    sed -i "/# ensure all static content can always be found first/i \ \ \ \ \ \ \ \ proxy_set_header       Host \$host;" "$WS_CONF"
+    sed -i "/# ensure all static content can always be found first/i \ \ \ \ }" "$WS_CONF"
+    sed -i "/# ensure all static content can always be found first/i \\\n" "$WS_CONF"
 else
     echo "> No etherpad config done to server file, please report to:
     -> https://github.com/switnet-ltd/quick-jibri-installer/issues"
 fi
 
 # Configure config.js
-if [ $(grep -c "etherpad_base" $WS_CONF) != 0 ]; then
+if [ "$(grep -c "etherpad_base" "$WS_CONF")" != 0 ]; then
     echo -e "> $MEET_CONF seems configured, skipping...\n"
 else
     echo -e "> Setting etherpad domain at $MEET_CONF...\n"
-    sed -i "/ openSharedDocumentOnJoin:/a\ \ \ \ etherpad_base: \'https://$DOMAIN/etherpad/p/\'," $MEET_CONF
+    sed -i "/ openSharedDocumentOnJoin:/a\ \ \ \ etherpad_base: \'https://$DOMAIN/etherpad/p/\'," "$MEET_CONF"
 fi
 
 echo "> Checking nginx configuration..."
-nginx -t 2>/dev/null
 
-if [ $? = 0 ]; then
+if nginx -t 2>/dev/null ; then
     echo -e "  -- Docker configuration seems fine, enabling it."
-    systemctl reload nginx
+#    systemctl reload nginx
 else
     echo "Please check your configuration, something may be wrong."
     echo "Will not try to enable etherpad nginx configuration, please report to:
diff --git a/grafana.sh b/grafana.sh
index 093b4db..029a9a8 100644
--- a/grafana.sh
+++ b/grafana.sh
@@ -8,17 +8,17 @@
 # by "mephisto"
 #
 # Igor Kerstges © - 2021
-# SwITNet Ltd © - 2021, https://switnet.net/
+# SwITNet Ltd © - 2022, https://switnet.net/
 #
 # GPLv3 or later.
 
 while getopts m: option
 do
-    case "${option}"
-    in
-        m) MODE=${OPTARG};;
-        \?) echo "Usage: sudo ./grafana.sh [-m debug]" && exit;;
-    esac
+	case "${option}"
+	in
+		m) MODE=${OPTARG};;
+		\?) echo "Usage: sudo bash ./$0 [-m debug]" && exit;;
+	esac
 done
 
 #DEBUG
@@ -26,7 +26,7 @@ if [ "$MODE" = "debug" ]; then
 set -x
 fi
 
-if ! [ $(id -u) = 0 ]; then
+if ! [ "$(id -u)" = 0 ]; then
    echo "You need to be root or have sudo privileges!"
    exit 0
 fi
@@ -39,14 +39,14 @@ echo '
                     by Software, IT & Networks Ltd
 '
 run_service() {
-systemctl enable $1
-systemctl restart $1
-systemctl status $1
+systemctl enable "$1"
+systemctl restart "$1"
+systemctl status "$1"
 }
 MAIN_TEL="/etc/telegraf/telegraf.conf"
 TEL_JIT="/etc/telegraf/telegraf.d/jitsi.conf"
 GRAFANA_INI="/etc/grafana/grafana.ini"
-DOMAIN="$(ls /etc/prosody/conf.d/ | awk -F'.cfg' '!/localhost/{print $1}' | awk '!NF || !seen[$0]++')"
+DOMAIN="$(find /etc/prosody/conf.d/ -name \*.lua|awk -F'.cfg' '!/localhost/{print $1}'|xargs basename)"
 WS_CONF="/etc/nginx/sites-available/$DOMAIN.conf"
 GRAFANA_PASS="$(tr -dc "a-zA-Z0-9#_*=" < /dev/urandom | fold -w 14 | head -n1)"
 
@@ -134,16 +134,14 @@ JITSI_TELEGRAF
 
 run_service telegraf
 
-echo "
-# Setup videobridge  options
-"
-sed -i "s|JVB_OPTS=\"--apis.*|JVB_OPTS=\"--apis=rest,xmpp\"|" /etc/jitsi/videobridge/config
+echo -n "\n# Setup videobridge  options\n"
+echo '
+# extra options to pass to the JVB daemon
+JVB_OPTS="--apis=rest,xmpp"' >>  /etc/jitsi/videobridge/config
 sed -i "s|TRANSPORT=muc|TRANSPORT=muc,colibri|" /etc/jitsi/videobridge/sip-communicator.properties
 systemctl restart jitsi-videobridge2
 
-echo "
-# Setup Grafana nginx domain
-"
+echo -e "\n# Setup Grafana nginx domain\n"
 sed -i "s|;protocol =.*|protocol = http|" $GRAFANA_INI
 sed -i "s|;http_addr =.*|http_addr = localhost|" $GRAFANA_INI
 sed -i "s|;http_port =.*|http_port = 3000|" $GRAFANA_INI
@@ -162,11 +160,11 @@ while [ $secs -gt 0 ]; do
    : $((secs--))
 done
 
-if [ -f $WS_CONF ]; then
-    sed -i "/# ensure all static content can always be found first/i \ \ \ \ location \~ \^\/(grafana\/|grafana\/login) {" $WS_CONF
-    sed -i "/# ensure all static content can always be found first/i \ \ \ \ \ \ \ \ proxy_pass http:\/\/localhost:3000;" $WS_CONF
-    sed -i "/# ensure all static content can always be found first/i \ \ \ \ }" $WS_CONF
-    sed -i "/# ensure all static content can always be found first/i \\\n" $WS_CONF
+if [ -f "$WS_CONF" ]; then
+    sed -i "/# ensure all static content can always be found first/i \ \ \ \ location \~ \^\/(grafana\/|grafana\/login) {" "$WS_CONF"
+    sed -i "/# ensure all static content can always be found first/i \ \ \ \ \ \ \ \ proxy_pass http:\/\/localhost:3000;" "$WS_CONF"
+    sed -i "/# ensure all static content can always be found first/i \ \ \ \ }" "$WS_CONF"
+    sed -i "/# ensure all static content can always be found first/i \\\n" "$WS_CONF"
     systemctl restart nginx
 else
     echo "No app configuration done to server file, please report to:
@@ -206,8 +204,8 @@ grafana_cred="admin:$GRAFANA_PASS"
 grafana_datasource="InfluxDB"
 ds=(11969);
 for d in "${ds[@]}"; do
-  echo -n "Processing $d: "
-  j=$(curl -s -k -u "$grafana_cred" $grafana_host/api/gnet/dashboards/$d | jq .json)
+  echo "Processing $d: "
+  j="$(curl -s -k -u "$grafana_cred" "$grafana_host"/api/gnet/dashboards/"$d" | jq .json)"
   curl -s -k -u "$grafana_cred" -XPOST -H "Accept: application/json" \
     -H "Content-Type: application/json" \
     -d "{
diff --git a/jitsi-updater.sh b/jitsi-updater.sh
index 241ad31..faefc4a 100644
--- a/jitsi-updater.sh
+++ b/jitsi-updater.sh
@@ -1,16 +1,33 @@
 #!/bin/bash
 # Jitsi Meet recurring upgrader and customization keeper
 # for Debian/*buntu binaries.
-# SwITNet Ltd © - 2021, https://switnet.net/
+# SwITNet Ltd © - 2022, https://switnet.net/
 # GNU GPLv3 or later.
 
+while getopts m: option
+do
+	case "${option}"
+	in
+		m) MODE=${OPTARG};;
+		\?) echo "Usage: sudo bash ./$0 [-m debug]" && exit;;
+	esac
+done
+
+#DEBUG
+if [ "$MODE" = "debug" ]; then
+set -x
+fi
+
 Blue='\e[0;34m'
 Purple='\e[0;35m'
 Green='\e[0;32m'
 Yellow='\e[0;33m'
 Color_Off='\e[0m'
+printwc() {
+    printf "%b$2%b" "$1" "${Color_Off}"
+}
 #Check if user is root
-if ! [ $(id -u) = 0 ]; then
+if ! [ "$(id -u)" = 0 ]; then
    echo "You need to be root or have sudo privileges!"
    exit 0
 fi
@@ -23,28 +40,32 @@ support="https://switnet.net/support"
 apt_repo="/etc/apt/sources.list.d"
 ENABLE_BLESSM="TBD"
 CHD_LTST="$(curl -sL https://chromedriver.storage.googleapis.com/LATEST_RELEASE)"
-CHD_LTST_2D="$(echo $CHD_LTST|cut -d "." -f 1,2)"
+CHD_LTST_2D="$(echo "$CHD_LTST"|cut -d "." -f 1,2)"
 CHDB="$(whereis chromedriver | awk '{print$2}')"
-DOMAIN="$(ls /etc/prosody/conf.d|awk -F'.cfg' '!/localhost/{print $1}' | awk '!NF || !seen[$0]++')"
+DOMAIN="$(find /etc/prosody/conf.d/ -name \*.lua | \
+          awk -F'.cfg' '!/localhost/{print $1}' | xargs basename)"
 NC_DOMAIN="TBD"
 JITSI_MEET_PROXY="/etc/nginx/modules-enabled/60-jitsi-meet.conf"
-if [ -f $JITSI_MEET_PROXY ];then
-PREAD_PROXY=$(grep -nr "preread_server_name" $JITSI_MEET_PROXY | cut -d ":" -f1)
+if [ -f "$JITSI_MEET_PROXY" ];then
+PREAD_PROXY="$(grep -nr "preread_server_name" "$JITSI_MEET_PROXY" | cut -d ":" -f1)"
 fi
 INT_CONF="/usr/share/jitsi-meet/interface_config.js"
 INT_CONF_ETC="/etc/jitsi/meet/$DOMAIN-interface_config.js"
-jibri_packages="$(grep Package /var/lib/apt/lists/download.jitsi.org_*_Packages |sort -u|awk '{print $2}'|sed 's|jigasi||')"
+read -r -a jibri_packages < <(grep Package /var/lib/apt/lists/download.jitsi.org_*_Packages | \
+                              sort -u | awk '{print $2}' | sed '/jigasi/d' | \
+                              xargs)
 AVATAR="$(grep -r avatar /etc/nginx/sites-*/ 2>/dev/null)"
-if [ -f $apt_repo/google-chrome.list ]; then
-    google_package=$(grep Package /var/lib/apt/lists/dl.google.com_linux_chrome_deb_dists_stable_main_binary-amd64_Packages | sort -u | cut -d ' ' -f2)
+if [ -f "$apt_repo"/google-chrome.list ]; then
+read -r -a google_package < <(grep Package /var/lib/apt/lists/dl.google.com_*_Packages | \
+                              sort -u | awk '{print $2}' | xargs)
 else
     echo "Seems no Google repo installed"
 fi
-if [ -z $CHDB ]; then
+if [ -z "$CHDB" ]; then
     echo "Seems no chromedriver installed"
 else
     CHD_VER_LOCAL="$($CHDB -v | awk '{print $2}')"
-    CHD_VER_2D="$(echo $CHD_VER_LOCAL|awk '{printf "%.1f\n", $NF}')"
+    CHD_VER_2D="$(echo "$CHD_VER_LOCAL"|awk '{printf "%.1f\n", $NF}')"
 fi
 
 # True if $1 is greater than $2
@@ -72,21 +93,21 @@ restart_services() {
 update_jitsi_repo() {
     apt-get update -o Dir::Etc::sourcelist="sources.list.d/jitsi-$1.list" \
         -o Dir::Etc::sourceparts="-" -o APT::Get::List-Cleanup="0"
-    apt-get install -qq --only-upgrade $jibri_packages
+    apt-get install -q2 --only-upgrade <<< printf "${jibri_packages[@]}"
 }
 
 update_google_repo() {
-    if [ -f $apt_repo/google-chrome.list ]; then
+    if [ -f "$apt_repo"/google-chrome.list ]; then
     apt-get update -o Dir::Etc::sourcelist="sources.list.d/google-chrome.list" \
         -o Dir::Etc::sourceparts="-" -o APT::Get::List-Cleanup="0"
-    apt-get install -qq --only-upgrade $google_package
+    apt-get install -q2 --only-upgrade <<< printf "${google_package[@]}"
     else
         echo "No Google repository found"
     fi
 }
 GOOGL_VER_2D="$(/usr/bin/google-chrome --version|awk '{printf "%.1f\n", $NF}')"
 upgrade_cd() {
-if [ ! -z "$GOOGL_VER_2D" ]; then
+if [ -n "$GOOGL_VER_2D" ]; then
     if version_gt "$GOOGL_VER_2D" "$CHD_VER_2D" ; then
         echo "Upgrading Chromedriver to Google Chromes version"
         wget -q https://chromedriver.storage.googleapis.com/"$CHD_LTST"/chromedriver_linux64.zip \
@@ -95,33 +116,38 @@ if [ ! -z "$GOOGL_VER_2D" ]; then
         chown root:root "$CHDB"
         chmod 0755 "$CHDB"
         rm -rf /tpm/chromedriver_linux64.zip
-        printf "Current version: ${Green} "$($CHDB -v |awk '{print $2}'|awk '{printf "%.1f\n", $NF}')" ${Color_Off} (latest available)\n"
+        printf "Current version: "
+        printwc "$Green" "$($CHDB -v |awk '{print $2}'|awk '{printf "%.1f\n", $NF}')"
+        echo -e " (latest available)\n"
     elif [ "$GOOGL_VER_2D" = "$CHD_LTST_2D" ]; then
         echo "No need to upgrade Chromedriver"
-        printf "Current version: ${Green} $CHD_VER_2D ${Color_Off}\n"
+        printf "Current version: "
+        printwc "$Green" "$CHD_VER_2D\n"
     fi
 else
-  printf "${Yellow} -> No Google Chrome versión to match, leaving untouched.${Color_Off}\n"
+  printwc "${Yellow}" " -> No Google Chrome versión to match, leaving untouched.\n"
 fi
 }
 
 check_lst_cd() {
-printf "${Purple}Checking for the latest Chromedriver${Color_Off}\n"
-if [ -f $CHDB ]; then
-    printf "Current installed Chromedriver: ${Yellow} $CHD_VER_2D ${Color_Off}\n"
-    printf "Current installed Google Chrome: ${Green} $GOOGL_VER_2D ${Color_Off}\n"
+printwc "${Purple}" "Checking for the latest Chromedriver\n"
+if [ -f "$CHDB" ]; then
+    printf "Current installed Chromedriver: "
+    printwc "${Yellow}" "$CHD_VER_2D\n"
+    printf "Current installed Google Chrome: "
+    printwc "${Green}" "$GOOGL_VER_2D\n"
     upgrade_cd
 else
-    printf "${Yellow} -> Seems there is no Chromedriver installed${Color_Off}\n"
+    printwc "${Yellow}" " -> Seems there is no Chromedriver installed\n"
 fi
 }
 
-printf "${Blue}Update & upgrade Jitsi and components${Color_Off}\n"
-if [ -f $apt_repo/jitsi-unstable.list ]; then
+printwc "${Blue}" "Update & upgrade Jitsi and components\n"
+if [ -f "$apt_repo"/jitsi-unstable.list ]; then
     update_jitsi_repo unstable
     update_google_repo
     check_lst_cd
-elif [ -f $apt_repo/jitsi-stable.list ]; then
+elif [ -f "$apt_repo"/jitsi-stable.list ]; then
     update_jitsi_repo stable
     update_google_repo
     check_lst_cd
@@ -144,35 +170,33 @@ if [ -f "$INT_CONF_ETC" ]; then
     echo "Static interface_config.js exists, skipping modification..."
 else
     echo "This setup doesn't have a static interface_config.js, checking changes..."
-    printf "${Purple}========== Setting Static Avatar  ==========${Color_Off}\n"
+    printwc "${Purple}" "========== Setting Static Avatar  ==========\n"
     if [[ -z "$AVATAR" ]]; then
         echo "Moving on..."
     else
         echo "Setting Static Avatar"
-        sed -i "/RANDOM_AVATAR_URL_PREFIX/ s|false|\'http://$DOMAIN/avatar/\'|" $INT_CONF
-        sed -i "/RANDOM_AVATAR_URL_SUFFIX/ s|false|\'.png\'|" $INT_CONF
+        sed -i "/RANDOM_AVATAR_URL_PREFIX/ s|false|\'http://$DOMAIN/avatar/\'|" "$INT_CONF"
+        sed -i "/RANDOM_AVATAR_URL_SUFFIX/ s|false|\'.png\'|" "$INT_CONF"
     fi
-    printf "${Purple}========== Setting Support Link  ==========${Color_Off}\n"
-    if [[ -z $support ]]; then
+    printwc "${Purple}" "========== Setting Support Link  ==========\n"
+    if [[ -z "$support" ]]; then
         echo "Moving on..."
     else
         echo "Setting Support custom link"
-        sed -i "s|https://jitsi.org/live|$support|g" $INT_CONF
+        sed -i "s|https://jitsi.org/live|$support|g" "$INT_CONF"
     fi
-    printf "${Purple}========== Disable Blur my background  ==========${Color_Off}\n"
-    sed -i "s|'videobackgroundblur', ||" $INT_CONF
+    printwc "${Purple}" "========== Disable Blur my background  ==========\n"
+    sed -i "s|'videobackgroundblur', ||" "$INT_CONF"
 fi
 
 if [  "$NC_DOMAIN" != "TBD" ]; then
-printf "${Purple}========== Enable $NC_DOMAIN for sync client ==========${Color_Off}\n"
+printwc "${Purple}" "========== Enable $NC_DOMAIN for sync client ==========\n"
     if [ -z "$PREAD_PROXY" ]; then
-        echo "
-  Setting up Nextcloud domain on Jitsi Meet turn proxy
-"
-        sed -i "/server {/i \ \ map \$ssl_preread_server_name \$upstream {" $JITSI_MEET_PROXY
-        sed -i "/server {/i \ \ \ \ \ \ $DOMAIN    web;" $JITSI_MEET_PROXY
-        sed -i "/server {/i \ \ \ \ \ \ $NC_DOMAIN    web;" $JITSI_MEET_PROXY
-        sed -i "/server {/i \ \ }" $JITSI_MEET_PROXY
+        printf "\n  Setting up Nextcloud domain on Jitsi Meet turn proxy\n\n"
+        sed -i "/server {/i \ \ map \$ssl_preread_server_name \$upstream {" "$JITSI_MEET_PROXY"
+        sed -i "/server {/i \ \ \ \ \ \ $DOMAIN    web;" "$JITSI_MEET_PROXY"
+        sed -i "/server {/i \ \ \ \ \ \ $NC_DOMAIN    web;" "$JITSI_MEET_PROXY"
+        sed -i "/server {/i \ \ }" "$JITSI_MEET_PROXY"
       else
         echo "$NC_DOMAIN seems to be on place, skipping..."
     fi
@@ -183,6 +207,6 @@ restart_services
 #                         Brandless mode                               #
 ########################################################################
 if [ "$ENABLE_BLESSM" = "on" ]; then
-    bash $PWD/jm-bm.sh
+    bash "$PWD"/jm-bm.sh
 fi
-printf "${Blue}Script completed \o/! ${Color_Off}\n"
+printwc "${Blue}" "Script completed \o/!\n"
diff --git a/jm-bm.sh b/jm-bm.sh
index 6a0d68c..d5bc4dc 100644
--- a/jm-bm.sh
+++ b/jm-bm.sh
@@ -1,10 +1,24 @@
 #!/bin/bash
 # Jitsi Meet brandless mode
 # for Debian/*buntu binaries.
-# SwITNet Ltd © - 2021, https://switnet.net/
+# SwITNet Ltd © - 2022, https://switnet.net/
 # GNU GPLv3 or later.
 
-DOMAIN="$(ls /etc/prosody/conf.d/ | awk -F'.cfg' '!/localhost/{print $1}' | awk '!NF || !seen[$0]++')"
+while getopts m: option
+do
+	case "${option}"
+	in
+		m) MODE=${OPTARG};;
+		\?) echo "Usage: sudo bash ./$0 [-m debug]" && exit;;
+	esac
+done
+
+#DEBUG
+if [ "$MODE" = "debug" ]; then
+set -x
+fi
+
+DOMAIN="$(find /etc/prosody/conf.d/ -name \*.lua|awk -F'.cfg' '!/localhost/{print $1}'|xargs basename)"
 CSS_FILE="/usr/share/jitsi-meet/css/all.css"
 TITLE_FILE="/usr/share/jitsi-meet/title.html"
 INT_CONF="/usr/share/jitsi-meet/interface_config.js"
@@ -21,7 +35,7 @@ MOVILE_APP_NAME="Jitsi Meet"
 PART_USER="Participant"
 LOCAL_USER="me"
 #
-SEC_ROOM="TBD"
+#SEC_ROOM="TBD"
 echo '
 #--------------------------------------------------
 # Applying Brandless mode
@@ -43,7 +57,7 @@ fi
 if [ ! -f "$REC_ICON_PATH" ];then
     cp images/gnome_record.png "$REC_ICON_PATH"
 else
-        echo "recording icon exists, skipping copying..."
+    echo "recording icon exists, skipping copying..."
 fi
 
 #Custom / Remove icons
@@ -53,8 +67,8 @@ sed -i "s|jitsilogo.png|watermark2.png|g" "$TITLE_FILE"
 sed -i "s|logo-deep-linking.png|watermark2.png|g" "$BUNDLE_JS"
 sed -i "s|jitsiLogo_square.png|gnome_record.png|g" "$BUNDLE_JS"
 #Disable logo and url
-if [ -z "$(grep -nr ".leftwatermark{display:none" "$CSS_FILE")" ]; then
-sed -i "s|.leftwatermark{|.leftwatermark{display:none;|" "$CSS_FILE"
+if ! grep -nr ".leftwatermark{display:none" "$CSS_FILE" ; then
+    sed -i "s|.leftwatermark{|.leftwatermark{display:none;|" "$CSS_FILE"
 fi
 
 #Customize room title
diff --git a/jra_nextcloud.sh b/jra_nextcloud.sh
index a366440..e21e8a8 100644
--- a/jra_nextcloud.sh
+++ b/jra_nextcloud.sh
@@ -1,14 +1,15 @@
 #!/bin/bash
 # JRA (Jibri Recordings Access) via Nextcloud
-# SwITNet Ltd © - 2021, https://switnet.net/
+# SwITNet Ltd © - 2022, https://switnet.net/
 # GPLv3 or later.
+
 while getopts m: option
 do
-    case "${option}"
-    in
-        m) MODE=${OPTARG};;
-        \?) echo "Usage: sudo ./jra_nextcloud.sh [-m debug]" && exit;;
-    esac
+	case "${option}"
+	in
+		m) MODE=${OPTARG};;
+		\?) echo "Usage: sudo bash ./$0 [-m debug]" && exit;;
+	esac
 done
 
 #DEBUG
@@ -16,12 +17,12 @@ if [ "$MODE" = "debug" ]; then
 set -x
 fi
 
-if ! [ $(id -u) = 0 ]; then
+if ! [ "$(id -u)" = 0 ]; then
    echo "You need to be root or have sudo privileges!"
    exit 0
 fi
 exit_if_not_installed() {
-if [ "$(dpkg-query -W -f='${Status}' $1 2>/dev/null | grep -c "ok installed")" != "1" ]; then
+if [ "$(dpkg-query -W -f='${Status}' "$1" 2>/dev/null | grep -c "ok installed")" != "1" ]; then
     echo " This instance doesn't have $1 installed, exiting..."
     echo " If you think this is an error, please report to:
     -> https://github.com/switnet-ltd/quick-jibri-installer/issues "
@@ -38,14 +39,14 @@ echo -e '\n
 exit_if_not_installed jitsi-meet
 
 DISTRO_RELEASE="$(lsb_release -sc)"
-DOMAIN="$(ls /etc/prosody/conf.d/ | awk -F'.cfg' '!/localhost/{print $1}' | awk '!NF || !seen[$0]++')"
+DOMAIN="$(find /etc/prosody/conf.d/ -name \*.lua|awk -F'.cfg' '!/localhost/{print $1}'|xargs basename)"
 PHP_REPO="$(apt-cache policy | awk '/http/&&/php/{print$2}' | awk -F "/" 'NR==1{print$5}')"
 PHPVER="7.4"
 PSGVER="$(apt-cache madison postgresql|awk -F'[ +]' 'NR==1{print $3}')"
 PHP_FPM_DIR="/etc/php/$PHPVER/fpm"
 PHP_INI="$PHP_FPM_DIR/php.ini"
 PHP_CONF="/etc/php/$PHPVER/fpm/pool.d/www.conf"
-NC_NGINX_SSL_PORT="$(grep "listen 44" /etc/nginx/sites-available/$DOMAIN.conf | awk '{print$2}')"
+NC_NGINX_SSL_PORT="$(grep "listen 44" /etc/nginx/sites-available/"$DOMAIN".conf | awk '{print$2}')"
 NC_REPO="https://download.nextcloud.com/server/releases"
 NCVERSION="$(curl -s -m 900 $NC_REPO/ | sed --silent 's/.*href="nextcloud-\([^"]\+\).zip.asc".*/\1/p' | sort --version-sort | tail -1)"
 STABLEVERSION="nextcloud-$NCVERSION"
@@ -54,7 +55,7 @@ NC_CONFIG="$NC_PATH/config/config.php"
 NC_DB_USER="nextcloud_user"
 NC_DB="nextcloud_db"
 NC_DB_PASSWD="$(tr -dc "a-zA-Z0-9#_*=" < /dev/urandom | fold -w 14 | head -n1)"
-DIR_RECORD="$(grep -nr RECORDING /home/jibri/finalize_recording.sh|head -n1|cut -d "=" -f2)"
+DIR_RECORD="$(awk  -F '"' '/RECORDING/{print$2}'  /home/jibri/finalize_recording.sh|awk 'NR==1{print$1}')"
 REDIS_CONF="/etc/redis/redis.conf"
 JITSI_MEET_PROXY="/etc/nginx/modules-enabled/60-jitsi-meet.conf"
 if [ -f $JITSI_MEET_PROXY ];then
@@ -62,30 +63,30 @@ PREAD_PROXY=$(grep -nr "preread_server_name" $JITSI_MEET_PROXY | cut -d ":" -f1)
 fi
 PUBLIC_IP="$(dig +short myip.opendns.com @resolver1.opendns.com)"
 ISO3166_CODE=TBD
+NL="$(printf '\n  ')"
 
 while [[ "$ANS_NCD" != "yes" ]]
 do
-  read -p "> Please set your domain (or subdomain) here for Nextcloud: (e.g.: cloud.domain.com)"$'\n' -r NC_DOMAIN
+  read -p "> Please set your domain (or subdomain) here for Nextcloud: (e.g.: cloud.domain.com)$NL" -r NC_DOMAIN
   if [ -z "$NC_DOMAIN" ];then
-    echo "-- This field is mandatory."
+    echo " - This field is mandatory."
   elif [ "$NC_DOMAIN" = "$DOMAIN" ]; then
-    echo "-- You can not use the same domain for both, Jitsi Meet and JRA via Nextcloud."
+    echo " - You can not use the same domain for both, Jitsi Meet and JRA via Nextcloud."
   fi
-  read -p "> Did you mean?: $NC_DOMAIN (yes or no)"$'\n' -r ANS_NCD
+  read -p "  > Did you mean?: $NC_DOMAIN (yes or no)$NL" -r ANS_NCD
   if [ "$ANS_NCD" = "yes" ]; then
-    echo "Alright, let's use $NC_DOMAIN."
+    echo "   - Alright, let's use $NC_DOMAIN."
   else
-    echo "Please try again."
+    echo "   - Please try again."
   fi
 done
   #Simple DNS test
-if [ "$PUBLIC_IP" = "$(dig -4 +short $NC_DOMAIN|awk -v RS='([0-9]+\\.){3}[0-9]+' 'RT{print RT}')" ]; then
-  echo "Server public IP  & DNS record for $NC_DOMAIN seems to match, continuing...
-"
+if [ "$PUBLIC_IP" = "$(dig -4 +short "$NC_DOMAIN"|awk -v RS='([0-9]+\\.){3}[0-9]+' 'RT{print RT}')" ]; then
+  echo -e "Server public IP  & DNS record for $NC_DOMAIN seems to match, continuing...\n\n"
 else
   echo "Server public IP ($PUBLIC_IP) & DNS record for $NC_DOMAIN don't seem to match."
   echo "  > Please check your dns records are applied and updated, otherwise Nextcloud may fail."
-  read -p "  > Do you want to continue?: (yes or no)"$'\n' -r DNS_CONTINUE
+  read -p "  > Do you want to continue?: (yes or no)$NL" -r DNS_CONTINUE
   if [ "$DNS_CONTINUE" = "yes" ]; then
     echo "  - We'll continue anyway..."
   else
@@ -95,49 +96,51 @@ else
 fi
 
 NC_NGINX_CONF="/etc/nginx/sites-available/$NC_DOMAIN.conf"
-while [[ -z "$NC_USER" ]]
+while [ -z "$NC_USER" ]
 do
     read -p "Nextcloud user: " -r NC_USER
     if [ -z "$NC_USER" ]; then
-        echo "-- This field is mandatory."
+        echo " - This field is mandatory."
     fi
 done
 while [ -z "$NC_PASS" ]  || [ ${#NC_PASS} -lt 6 ]
 do
     read -p "Nextcloud user password: " -r NC_PASS
     if [ -z "$NC_PASS" ] || [ ${#NC_PASS} -lt 6 ]; then
-        echo -e "-- This field is mandatory. \nPlease make sure it's at least 6 characters.\n"
+        echo -e " - This field is mandatory. \nPlease make sure it's at least 6 characters.\n"
     fi
 done
 #Enable HSTS
-while [[ "$ENABLE_HSTS" != "yes" && "$ENABLE_HSTS" != "no" ]]
+while [ "$ENABLE_HSTS" != "yes" ] && [ "$ENABLE_HSTS" != "no" ]
 do
     read -p "> Do you want to enable HSTS for this domain?: (yes or no)
   Be aware this option apply mid-term effects on the domain, choose \"no\"
-  in case you don't know what you are doing. More at https://hstspreload.org/"$'\n' -r ENABLE_HSTS
+  in case you don't know what you are doing. More at https://hstspreload.org/$NL" -r ENABLE_HSTS
     if [ "$ENABLE_HSTS" = "no" ]; then
-        echo "-- HSTS won't be enabled."
+        echo " - HSTS won't be enabled."
     elif [ "$ENABLE_HSTS" = "yes" ]; then
-        echo "-- HSTS will be enabled."
+        echo " - HSTS will be enabled."
     fi
 done
 
 echo -e "#Default country phone code\n
 > Starting at Nextcloud 21.x it's required to set a default country phone ISO 3166-1 alpha-2 code.\n
 >>> https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2#Officially_assigned_code_elements  <<<\n"
+sleep .1
 while [ ${#ISO3166_CODE} -gt 2 ];
 do
 echo -e "Some examples might be: Germany > DE | Mexico > MX | Spain > ES | USA > US\n
-Do you want to set such code for your installation?" && \
-read -p "Leave empty if you don't want to set any: "$'\n' ISO3166_CODE
+Do you want to set such code for your installation?"
+sleep .1
+read -p "Leave empty if you don't want to set any: " -r ISO3166_CODE
   if [ ${#ISO3166_CODE} -gt 2 ]; then
     echo -e "\n-- This code is only 2 characters long, please check your input.\n"
   fi
 done
-
+sleep .1
 echo -e "\n# Check for jitsi-meet/jibri\n"
 if [ "$(dpkg-query -W -f='${Status}' jibri 2>/dev/null | grep -c "ok installed")" == "1" ] || \
-   [ -f /etc/prosody/conf.d/$DOMAIN.conf ]; then
+   [ -f /etc/prosody/conf.d/"$DOMAIN".conf ]; then
     echo "jitsi meet/jibri is installed, checking version:"
     apt-show-versions jibri
 else
@@ -146,7 +149,7 @@ else
 fi
 
 exit_ifinstalled() {
-if [ "$(dpkg-query -W -f='${Status}' $1 2>/dev/null | grep -c "ok installed")" == "1" ]; then
+if [ "$(dpkg-query -W -f='${Status}' "$1" 2>/dev/null | grep -c "ok installed")" == "1" ]; then
     echo " This instance already has $1 installed, exiting..."
     echo " If you think this is an error, please report to:
     -> https://github.com/switnet-ltd/quick-jibri-installer/issues "
@@ -154,11 +157,11 @@ if [ "$(dpkg-query -W -f='${Status}' $1 2>/dev/null | grep -c "ok installed")" =
 fi
 }
 install_ifnot() {
-if [ "$(dpkg-query -W -f='${Status}' $1 2>/dev/null | grep -c "ok installed")" == "1" ]; then
+if [ "$(dpkg-query -W -f='${Status}' "$1" 2>/dev/null | grep -c "ok installed")" == "1" ]; then
     echo " $1 is installed, skipping..."
 else
     echo -e "\n---- Installing $1 ----"
-    apt-get -yq2 install $1
+    apt-get -yq2 install "$1"
 fi
 }
 add_php74() {
@@ -174,46 +177,46 @@ else
 fi
 }
 #Prevent root folder permission issues
-cp $PWD/files/jra-nc-app-ef.json /tmp
+cp "$PWD"/files/jra-nc-app-ef.json /tmp
 
-exit_ifinstalled postgresql-$PSGVER
+exit_ifinstalled postgresql-"$PSGVER"
 
 ## Install software requirements
 # PostgresSQL
-install_ifnot postgresql-$PSGVER
+install_ifnot postgresql-"$PSGVER"
 
 # PHP 7.4
 add_php74
 apt-get install -y \
             imagemagick \
-            php$PHPVER-fpm \
-            php$PHPVER-bcmath \
-            php$PHPVER-bz2 \
-            php$PHPVER-curl \
-            php$PHPVER-gd \
-            php$PHPVER-gmp \
-            php$PHPVER-imagick \
-            php$PHPVER-intl \
-            php$PHPVER-json \
-            php$PHPVER-ldap \
-            php$PHPVER-mbstring \
-            php$PHPVER-pgsql \
-            php$PHPVER-redis \
-            php$PHPVER-soap \
-            php$PHPVER-xml \
-            php$PHPVER-xmlrpc \
-            php$PHPVER-zip \
+            php"$PHPVER"-fpm \
+            php"$PHPVER"-bcmath \
+            php"$PHPVER"-bz2 \
+            php"$PHPVER"-curl \
+            php"$PHPVER"-gd \
+            php"$PHPVER"-gmp \
+            php"$PHPVER"-imagick \
+            php"$PHPVER"-intl \
+            php"$PHPVER"-json \
+            php"$PHPVER"-ldap \
+            php"$PHPVER"-mbstring \
+            php"$PHPVER"-pgsql \
+            php"$PHPVER"-redis \
+            php"$PHPVER"-soap \
+            php"$PHPVER"-xml \
+            php"$PHPVER"-xmlrpc \
+            php"$PHPVER"-zip \
             redis-server \
             unzip
 
 #System related
 install_ifnot smbclient
-sed -i "s|.*env\[HOSTNAME\].*|env\[HOSTNAME\] = \$HOSTNAME|" $PHP_CONF
-sed -i "s|.*env\[PATH\].*|env\[PATH\] = /usr/local/bin:/usr/bin:/bin|" $PHP_CONF
-sed -i "s|.*env\[TMP\].*|env\[TMP\] = /tmp|" $PHP_CONF
-sed -i "s|.*env\[TMPDIR\].*|env\[TMPDIR\] = /tmp|" $PHP_CONF
-sed -i "s|.*env\[TEMP\].*|env\[TEMP\] = /tmp|" $PHP_CONF
-sed -i "s|;clear_env = no|clear_env = no|" $PHP_CONF
+sed -i "s|.*env\[HOSTNAME\].*|env\[HOSTNAME\] = \$HOSTNAME|" "$PHP_CONF"
+sed -i "s|.*env\[PATH\].*|env\[PATH\] = /usr/local/bin:/usr/bin:/bin|" "$PHP_CONF"
+sed -i "s|.*env\[TMP\].*|env\[TMP\] = /tmp|" "$PHP_CONF"
+sed -i "s|.*env\[TMPDIR\].*|env\[TMPDIR\] = /tmp|" "$PHP_CONF"
+sed -i "s|.*env\[TEMP\].*|env\[TEMP\] = /tmp|" "$PHP_CONF"
+sed -i "s|;clear_env = no|clear_env = no|" "$PHP_CONF"
 
 echo "
 Tunning PHP.ini...
@@ -244,14 +247,14 @@ echo "opcache.revalidate_freq=1"
 echo "opcache.validate_timestamps=1"
 } >> "$PHP_INI"
 
-systemctl restart php$PHPVER-fpm.service
+systemctl restart php"$PHPVER"-fpm.service
 
 #--------------------------------------------------
 # Create DB user
 #--------------------------------------------------
 
 echo -e "\n---- Creating the PgSQL DB & User  ----"
-cd /tmp
+cd /tmp || return
 sudo -u postgres psql <<DB
 CREATE DATABASE nextcloud_db;
 CREATE USER ${NC_DB_USER} WITH ENCRYPTED PASSWORD '${NC_DB_PASSWD}';
@@ -261,7 +264,7 @@ echo "Done!
 "
 
 #nginx - configuration
-cat << NC_NGINX > $NC_NGINX_CONF
+cat << NC_NGINX > "$NC_NGINX_CONF"
 #nextcloud config
 upstream php-handler {
     #server 127.0.0.1:9000;
@@ -417,9 +420,9 @@ server {
 }
 NC_NGINX
 systemctl stop nginx
-letsencrypt certonly --standalone --renew-by-default --agree-tos -d $NC_DOMAIN
-if [ -f /etc/letsencrypt/live/$NC_DOMAIN/fullchain.pem ];then
-    ln -s $NC_NGINX_CONF /etc/nginx/sites-available/
+letsencrypt certonly --standalone --renew-by-default --agree-tos -d "$NC_DOMAIN"
+if [ -f /etc/letsencrypt/live/"$NC_DOMAIN"/fullchain.pem ];then
+    ln -s "$NC_NGINX_CONF" /etc/nginx/sites-enabled/
 else
     echo "There are issues on getting the SSL certs..."
     read -n 1 -s -r -p "Press any key to continue"
@@ -428,34 +431,30 @@ nginx -t
 systemctl restart nginx
 
 if [ "$ENABLE_HSTS" = "yes" ]; then
-    sed -i "s|#add_header Strict-Transport-Security|add_header Strict-Transport-Security|g" $NC_NGINX_CONF
+    sed -i "s|#add_header Strict-Transport-Security|add_header Strict-Transport-Security|g" "$NC_NGINX_CONF"
 fi
 
-if [ ! -z "$PREAD_PROXY" ]; then
+if [ -n "$PREAD_PROXY" ]; then
     echo "
   Setting up Nextcloud domain on Jitsi Meet turn proxy
 "
-    sed -i "/server {/i \ \ map \$ssl_preread_server_name \$upstream {" $JITSI_MEET_PROXY
-    sed -i "/server {/i \ \ \ \ \ \ $DOMAIN      web;" $JITSI_MEET_PROXY
-    sed -i "/server {/i \ \ \ \ \ \ $NC_DOMAIN web;" $JITSI_MEET_PROXY
-    sed -i "/server {/i \ \ }" $JITSI_MEET_PROXY
+    sed -i "/server {/i \ \ map \$ssl_preread_server_name \$upstream {" "$JITSI_MEET_PROXY"
+    sed -i "/server {/i \ \ \ \ \ \ $DOMAIN      web;" "$JITSI_MEET_PROXY"
+    sed -i "/server {/i \ \ \ \ \ \ $NC_DOMAIN web;" "$JITSI_MEET_PROXY"
+    sed -i "/server {/i \ \ }" "$JITSI_MEET_PROXY"
 fi
 
-echo "
-  Latest version to be installed: $STABLEVERSION
-  (This might take sometime, please be patient...)
-"
-curl -s $NC_REPO/$STABLEVERSION.zip > /tmp/$STABLEVERSION.zip
-unzip -q /tmp/$STABLEVERSION.zip
-mv nextcloud $NC_PATH
+echo -e "\n  Latest version to be installed: $STABLEVERSION
+  (This might take sometime, please be patient...)\n"
+curl -s "$NC_REPO"/"$STABLEVERSION".zip > /tmp/"$STABLEVERSION".zip
+unzip -q /tmp/"$STABLEVERSION".zip
+mv nextcloud "$NC_PATH"
 
-chown -R www-data:www-data $NC_PATH
-chmod -R 755 $NC_PATH
+chown -R www-data:www-data "$NC_PATH"
+chmod -R 755 "$NC_PATH"
 
-echo "
-Database installation...
-"
-sudo -u www-data php $NC_PATH/occ maintenance:install \
+echo -e "\nDatabase installation...\n"
+sudo -u www-data php "$NC_PATH"/occ maintenance:install \
 --database=pgsql \
 --database-name="$NC_DB" \
 --database-user="$NC_DB_USER" \
@@ -463,68 +462,58 @@ sudo -u www-data php $NC_PATH/occ maintenance:install \
 --admin-user="$NC_USER" \
 --admin-pass="$NC_PASS"
 
-echo "
-Apply custom mods...
-"
-sed -i "/datadirectory/a \ \ \'skeletondirectory\' => \'\'," $NC_CONFIG
-sed -i "/skeletondirectory/a \ \ \'simpleSignUpLink.shown\' => false," $NC_CONFIG
-sed -i "/simpleSignUpLink.shown/a \ \ \'knowledgebaseenabled\' => false," $NC_CONFIG
-sed -i "s|http://localhost|http://$NC_DOMAIN|" $NC_CONFIG
+echo -e "\nApply custom mods...\n"
+sed -i "/datadirectory/a \ \ \'skeletondirectory\' => \'\'," "$NC_CONFIG"
+sed -i "/skeletondirectory/a \ \ \'simpleSignUpLink.shown\' => false," "$NC_CONFIG"
+sed -i "/simpleSignUpLink.shown/a \ \ \'knowledgebaseenabled\' => false," "$NC_CONFIG"
+sed -i "s|http://localhost|http://$NC_DOMAIN|" "$NC_CONFIG"
 
-echo "Add crontab..."
+echo -e "\nAdd crontab...\n"
 crontab -u www-data -l | { cat; echo "*/5  *  *  *  * php -f $NC_PATH/cron.php"; } | crontab -u www-data -
 
-echo "
-Add memcache support...
-"
-sed -i "s|# unixsocket .*|unixsocket /var/run/redis/redis.sock|g" $REDIS_CONF
-sed -i "s|# unixsocketperm .*|unixsocketperm 777|g" $REDIS_CONF
-sed -i "s|port 6379|port 0|" $REDIS_CONF
+echo -e "\nAdd memcache support...\n"
+sed -i "s|# unixsocket .*|unixsocket /var/run/redis/redis.sock|g" "$REDIS_CONF"
+sed -i "s|# unixsocketperm .*|unixsocketperm 777|g" "$REDIS_CONF"
+sed -i "s|port 6379|port 0|" "$REDIS_CONF"
 systemctl restart redis-server
 
-echo "--> Setting config.php..."
-if [ ! -z "$ISO3166_CODE" ]; then
-  sed -i "/);/i \ \ 'default_phone_region' => '$ISO3166_CODE'," $NC_CONFIG
+echo -e "\n--> Setting config.php...\n"
+if [ -n "$ISO3166_CODE" ]; then
+  sed -i "/);/i \ \ 'default_phone_region' => '$ISO3166_CODE'," "$NC_CONFIG"
 fi
-sed -i "/);/i \ \ 'filelocking.enabled' => 'true'," $NC_CONFIG
-sed -i "/);/i \ \ 'memcache.locking' => '\\\OC\\\Memcache\\\Redis'," $NC_CONFIG
-sed -i "/);/i \ \ 'memcache.local' => '\\\OC\\\Memcache\\\Redis'," $NC_CONFIG
-sed -i "/);/i \ \ 'memcache.local' => '\\\OC\\\Memcache\\\Redis'," $NC_CONFIG
-sed -i "/);/i \ \ 'memcache.distributed' => '\\\OC\\\Memcache\\\Redis'," $NC_CONFIG
-sed -i "/);/i \ \ 'redis' =>" $NC_CONFIG
-sed -i "/);/i \ \ \ \ array (" $NC_CONFIG
-sed -i "/);/i \ \ \ \ \ 'host' => '/var/run/redis/redis.sock'," $NC_CONFIG
-sed -i "/);/i \ \ \ \ \ 'port' => 0," $NC_CONFIG
-sed -i "/);/i \ \ \ \ \ 'timeout' => 0," $NC_CONFIG
-sed -i "/);/i \ \ )," $NC_CONFIG
-echo "Done
-"
-echo "
-Addding & Setting up Files External App for Local storage...
-"
-sudo -u www-data php $NC_PATH/occ app:install files_external
-sudo -u www-data php $NC_PATH/occ app:enable files_external
-sudo -u www-data php $NC_PATH/occ app:disable support
-sudo -u www-data php $NC_PATH/occ files_external:import /tmp/jra-nc-app-ef.json
+sed -i "/);/i \ \ 'filelocking.enabled' => 'true'," "$NC_CONFIG"
+sed -i "/);/i \ \ 'memcache.locking' => '\\\OC\\\Memcache\\\Redis'," "$NC_CONFIG"
+sed -i "/);/i \ \ 'memcache.local' => '\\\OC\\\Memcache\\\Redis'," "$NC_CONFIG"
+sed -i "/);/i \ \ 'memcache.local' => '\\\OC\\\Memcache\\\Redis'," "$NC_CONFIG"
+sed -i "/);/i \ \ 'memcache.distributed' => '\\\OC\\\Memcache\\\Redis'," "$NC_CONFIG"
+sed -i "/);/i \ \ 'redis' =>" "$NC_CONFIG"
+sed -i "/);/i \ \ \ \ array (" "$NC_CONFIG"
+sed -i "/);/i \ \ \ \ \ 'host' => '/var/run/redis/redis.sock'," "$NC_CONFIG"
+sed -i "/);/i \ \ \ \ \ 'port' => 0," "$NC_CONFIG"
+sed -i "/);/i \ \ \ \ \ 'timeout' => 0," "$NC_CONFIG"
+sed -i "/);/i \ \ )," "$NC_CONFIG"
+echo -e "Done\n"
+
+echo -e "\nAddding & Setting up Files External App for Local storage...\n"
+sudo -u www-data php "$NC_PATH"/occ app:install files_external
+sudo -u www-data php "$NC_PATH"/occ app:enable files_external
+sudo -u www-data php "$NC_PATH"/occ app:disable support
+sudo -u www-data php "$NC_PATH"/occ files_external:import /tmp/jra-nc-app-ef.json
 
 usermod -a -G jibri www-data
-chmod -R 770 $DIR_RECORD
-chmod -R g+s $DIR_RECORD
+chmod -R 770 "$DIR_RECORD"
+chmod -R g+s "$DIR_RECORD"
 
-echo "
-Fixing possible missing tables...
-"
-echo "y"|sudo -u www-data php $NC_PATH/occ db:convert-filecache-bigint
-sudo -u www-data php $NC_PATH/occ db:add-missing-indices
-sudo -u www-data php $NC_PATH/occ db:add-missing-columns
+echo -e "\nFixing possible missing tables...\n\n"
+echo "y"|sudo -u www-data php "$NC_PATH"/occ db:convert-filecache-bigint
+sudo -u www-data php "$NC_PATH"/occ db:add-missing-indices
+sudo -u www-data php "$NC_PATH"/occ db:add-missing-columns
 
-echo "
-Adding trusted domain...
-"
-sudo -u www-data php $NC_PATH/occ config:system:set trusted_domains 0 --value=$NC_DOMAIN
+echo -e "\nAdding trusted domain...\n"
+sudo -u www-data php "$NC_PATH"/occ config:system:set trusted_domains 0 --value="$NC_DOMAIN"
 
-echo "Setting JRA domain on jitsi-updater.sh"
-cd ~/quick-jibri-installer
+echo -e "\nSetting JRA domain on jitsi-updater.sh\n"
+cd ~/quick-jibri-installer || return
 sed -i "s|NC_DOMAIN=.*|NC_DOMAIN=\"$NC_DOMAIN\"|" jitsi-updater.sh
 
-echo "Quick Nextcloud installation complete!"
+echo -e "\nQuick Nextcloud installation complete!\n"
diff --git a/mode/chp-mode.sh b/mode/chp-mode.sh
index d2e6dde..8c7f829 100644
--- a/mode/chp-mode.sh
+++ b/mode/chp-mode.sh
@@ -1,20 +1,14 @@
 #!/bin/bash
 # Custom High Performance Jitsi conf
-# SwITNet Ltd © - 2021, https://switnet.net/
+# SwITNet Ltd © - 2022, https://switnet.net/
 # GPLv3 or later.
 
-#Check if user is root
-if ! [ $(id -u) = 0 ]; then
-   echo "You need to be root or have privileges!"
-   exit 0
-fi
-
 while getopts m: option
 do
 	case "${option}"
 	in
 		m) MODE=${OPTARG};;
-		\?) echo "Usage: sudo ./chp-mode.sh [-m debug]" && exit;;
+		\?) echo "Usage: sudo bash ./$0 [-m debug]" && exit;;
 	esac
 done
 
@@ -23,6 +17,12 @@ if [ "$MODE" = "debug" ]; then
 set -x
 fi
 
+#Check if user is root
+if ! [ "$(id -u)" = 0 ]; then
+   echo "You need to be root or have privileges!"
+   exit 0
+fi
+
 wait_seconds() {
 secs=$(($1))
 while [ $secs -gt 0 ]; do
@@ -32,11 +32,11 @@ while [ $secs -gt 0 ]; do
 done
 }
 set_once() {
-if [ -z "$(awk '!/^ *#/ && NF {print}' "$2"|grep $(echo $1|awk -F '=' '{print$1}'))" ]; then
-  echo "Setting "$1" on "$2"..."
+if ! grep -q "$(awk '!/^ *#/ && NF {print}' "$2"|grep "$(awk -F '=' '{print$1}' <<< "$1")")" ; then
+  echo "Setting $1 on $2..."
   echo "$1" | tee -a "$2"
 else
-  echo " \"$(echo $1|awk -F '=' '{print$1}')\" seems present, skipping setting this variable"
+  echo " \"$(echo "$1"|awk -F '=' '{print$1}')\" seems present, skipping setting this variable"
 fi
 }
 # True if $1 is greater than $2
@@ -44,7 +44,7 @@ version_gt() { test "$(printf '%s\n' "$@" | sort -V | head -n 1)" != "$1"; }
 
 
 LTS_REL="$(lsb_release -d | awk '{print$4}')"
-DOMAIN="$(ls /etc/prosody/conf.d/ | awk -F'.cfg' '!/localhost/{print $1}' | awk '!NF || !seen[$0]++')"
+DOMAIN="$(find /etc/prosody/conf.d/ -name \*.lua|awk -F'.cfg' '!/localhost/{print $1}'|xargs basename)"
 JVB_LOG_POP="/etc/jitsi/videobridge/logging.properties"
 JVB_RC="/usr/share/jitsi-videobridge/lib/videobridge.rc"
 JICOFO_LOG_POP="/etc/jitsi/videobridge/logging.properties"
@@ -54,17 +54,16 @@ MEET_CONF_HP="/etc/jitsi/meet/${DOMAIN}-chp-config.js"
 INT_CONF_JS="/etc/jitsi/meet/${DOMAIN}-interface_config.js"
 INT_CONF_JS_HP="/etc/jitsi/meet/${DOMAIN}-chp-interface_config.js"
 WS_CONF="/etc/nginx/sites-available/$DOMAIN.conf"
-FSTAB="/etc/fstab"
 CHAT_DISABLED="TBD"
 
-if [ -f $MEET_CONF_HP ] || [ -f $INT_CONF_JS_HP ]; then
+if [ -f "$MEET_CONF_HP" ] || [ -f "$INT_CONF_JS_HP" ]; then
 echo "
 This script can't be run multiple times on the same system,
 idempotence not guaranteed, exiting..."
 exit
 fi
 
-if [ -z $LTS_REL ] || [ -z $DOMAIN ];then
+if [ -z "$LTS_REL" ] || [ -z "$DOMAIN" ];then
 echo "This system isn't suitable to configure."
 exit
   else
@@ -122,7 +121,7 @@ PS3='Select the desired resolution for high performance mode: '
 options=("nHD - 640x360" "qHD - 960x540" "HD - 1280x720")
 select opt in "${options[@]}"
 do
-    case $opt in
+    case "$opt" in
         "nHD - 640x360")
             echo -e "\n  > Setting 640x360 resolution.\n"
             VID_RES="360"
@@ -152,7 +151,7 @@ while [[ "$CHAT_DISABLED" != "yes" && \
          "$CHAT_DISABLED" != "" ]]
 do
 echo "> Do you want to disable jitsi's built-in chat?: (yes or no)"
-read -p "(Also you can leave empty to disable)"$'\n' CHAT_DISABLED
+read -p "(Also you can leave empty to disable)"$'\n' -r CHAT_DISABLED
 if [ "$CHAT_DISABLED" = "no" ]; then
 	echo -e "-- Jitsi's built-in chat will be kept active.\n"
 elif [ "$CHAT_DISABLED" = "yes" ] || [ -z "$CHAT_DISABLED" ]; then
@@ -162,149 +161,149 @@ done
 
 ## JMS system tune up
 if [ "$MODE" = "debug" ]; then
-    bash $PWD/jms-stu.sh -m debug
+    bash "$PWD"/jms-stu.sh -m debug
 else
-    bash $PWD/jms-stu.sh
+    bash "$PWD"/jms-stu.sh
 fi
 
 #JVB2
 ##Loose up logging
 # https://community.jitsi.org/t/23641/13
-sed -i "/java.util.logging.FileHandler.level/s|ALL|WARNING|g" $JVB_LOG_POP
-sed -i "s|^.level=INFO|.level=WARNING|" $JVB_LOG_POP
-sed -i "/VIDEOBRIDGE_MAX_MEMORY=/i \ VIDEOBRIDGE_MAX_MEMORY=8192m" $JVB_RC
+sed -i "/java.util.logging.FileHandler.level/s|ALL|WARNING|g" "$JVB_LOG_POP"
+sed -i "s|^.level=INFO|.level=WARNING|" "$JVB_LOG_POP"
+sed -i "/VIDEOBRIDGE_MAX_MEMORY=/i \ VIDEOBRIDGE_MAX_MEMORY=8192m" "$JVB_RC"
 
 #JICOFO
-sed -i "/java.util.logging.FileHandler.level/s|ALL|OFF|g" $JICOFO_LOG_POP
-sed -i "s|^.level=INFO|.level=WARNING|" $JICOFO_LOG_POP
+sed -i "/java.util.logging.FileHandler.level/s|ALL|OFF|g" "$JICOFO_LOG_POP"
+sed -i "s|^.level=INFO|.level=WARNING|" "$JICOFO_LOG_POP"
 
 #MEET
-sed -i "s|defaultLogLevel:.*|defaultLogLevel: 'error',|" $MEET_LOG_CONF
-sed -i "/TraceablePeerConnection.js/s|info|error|" $MEET_LOG_CONF
-sed -i "/CallStats.js/s|info|error|" $MEET_LOG_CONF
-sed -i "/strophe.util.js/s|log|error|" $MEET_LOG_CONF
+sed -i "s|defaultLogLevel:.*|defaultLogLevel: 'error',|" "$MEET_LOG_CONF"
+sed -i "/TraceablePeerConnection.js/s|info|error|" "$MEET_LOG_CONF"
+sed -i "/CallStats.js/s|info|error|" "$MEET_LOG_CONF"
+sed -i "/strophe.util.js/s|log|error|" "$MEET_LOG_CONF"
 
 #UX - Room settings and interface
 ## config.js
-cp $MEET_CONF $MEET_CONF_HP
-sed -i "s|// disableAudioLevels:.*|disableAudioLevels: true,|" $MEET_CONF_HP
-sed -i "s|enableNoAudioDetection:.*|enableNoAudioDetection: false,|" $MEET_CONF_HP
-sed -i "s|enableNoisyMicDetection:.*|enableNoisyMicDetection: false,|" $MEET_CONF_HP
-sed -i "s|startAudioMuted:.*|startAudioMuted: 5,|" $MEET_CONF_HP
-sed -i "s|// startVideoMuted:.*|startVideoMuted: 5,|" $MEET_CONF_HP
-sed -i "s|startWithVideoMuted: true,|startWithVideoMuted: false,|" $MEET_CONF_HP
-sed -i "s|channelLastN:.*|channelLastN: 10,|" $MEET_CONF_HP
-sed -i "s|// enableLayerSuspension:.*|enableLayerSuspension: true,|" $MEET_CONF_HP
-sed -i "s|// apiLogLevels:.*|apiLogLevels: \['warn', 'error'],|" $MEET_CONF_HP
+cp "$MEET_CONF" "$MEET_CONF_HP"
+sed -i "s|// disableAudioLevels:.*|disableAudioLevels: true,|" "$MEET_CONF_HP"
+sed -i "s|enableNoAudioDetection:.*|enableNoAudioDetection: false,|" "$MEET_CONF_HP"
+sed -i "s|enableNoisyMicDetection:.*|enableNoisyMicDetection: false,|" "$MEET_CONF_HP"
+sed -i "s|startAudioMuted:.*|startAudioMuted: 5,|" "$MEET_CONF_HP"
+sed -i "s|// startVideoMuted:.*|startVideoMuted: 5,|" "$MEET_CONF_HP"
+sed -i "s|startWithVideoMuted: true,|startWithVideoMuted: false,|" "$MEET_CONF_HP"
+sed -i "s|channelLastN:.*|channelLastN: 10,|" "$MEET_CONF_HP"
+sed -i "s|// enableLayerSuspension:.*|enableLayerSuspension: true,|" "$MEET_CONF_HP"
+sed -i "s|// apiLogLevels:.*|apiLogLevels: \['warn', 'error'],|" "$MEET_CONF_HP"
 
 if [ "$VID_RES" = "360" ]; then
-sed -i "/Start QJI/,/End QJI/d" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \/\/ Start QJI - Set resolution and widescreen format" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ resolution: 360," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ constraints: {" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ aspectRatio: 16 \/ 9," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ video: {" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ height: {" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ideal: 360," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ max: 360," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ min: 180" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ }," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ width: {" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ideal: 640," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ max: 640," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ min: 320" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ }" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ }" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ }," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \/\/ End QJI" $MEET_CONF_HP
+sed -i "/Start QJI/,/End QJI/d" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \/\/ Start QJI - Set resolution and widescreen format" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ resolution: 360," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ constraints: {" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ aspectRatio: 16 \/ 9," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ video: {" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ height: {" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ideal: 360," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ max: 360," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ min: 180" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ }," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ width: {" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ideal: 640," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ max: 640," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ min: 320" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ }" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ }" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ }," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \/\/ End QJI" "$MEET_CONF_HP"
 fi
 if [ "$VID_RES" = "540" ]; then
-sed -i "/Start QJI/,/End QJI/d" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \/\/ Start QJI - Set resolution and widescreen format" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ resolution: 540," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ constraints: {" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ aspectRatio: 16 \/ 9," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ video: {" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ height: {" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ideal: 540," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ max: 540," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ min: 180" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ }," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ width: {" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ideal: 960," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ max: 960," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ min: 320" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ }" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ }" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ }," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \/\/ End QJI" $MEET_CONF_HP
+sed -i "/Start QJI/,/End QJI/d" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \/\/ Start QJI - Set resolution and widescreen format" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ resolution: 540," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ constraints: {" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ aspectRatio: 16 \/ 9," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ video: {" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ height: {" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ideal: 540," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ max: 540," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ min: 180" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ }," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ width: {" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ideal: 960," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ max: 960," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ min: 320" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ }" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ }" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ }," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \/\/ End QJI" "$MEET_CONF_HP"
 fi
 if [ "$VID_RES" = "720" ]; then
-sed -i "/Start QJI/,/End QJI/d" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \/\/ Start QJI - Set resolution and widescreen format" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ resolution: 720," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ constraints: {" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ aspectRatio: 16 \/ 9," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ video: {" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ height: {" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ideal: 720," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ max: 720," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ min: 180" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ }," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ width: {" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ideal: 1280," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ max: 1280," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ min: 320" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ }" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ }" $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ }," $MEET_CONF_HP
-sed -i "/Enable \/ disable simulcast support/i \/\/ End QJI" $MEET_CONF_HP
+sed -i "/Start QJI/,/End QJI/d" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \/\/ Start QJI - Set resolution and widescreen format" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ resolution: 720," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ constraints: {" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ aspectRatio: 16 \/ 9," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ video: {" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ height: {" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ideal: 720," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ max: 720," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ min: 180" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ }," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ width: {" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ideal: 1280," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ max: 1280," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ min: 320" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ }" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ }" "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ }," "$MEET_CONF_HP"
+sed -i "/Enable \/ disable simulcast support/i \/\/ End QJI" "$MEET_CONF_HP"
 fi
 
 ## interface_config.js
-cp $INT_CONF_JS $INT_CONF_JS_HP
-sed -i "s|CONNECTION_INDICATOR_DISABLED:.*|CONNECTION_INDICATOR_DISABLED: true,|" $INT_CONF_JS_HP
-sed -i "s|DISABLE_DOMINANT_SPEAKER_INDICATOR:.*|DISABLE_DOMINANT_SPEAKER_INDICATOR: true,|" $INT_CONF_JS_HP
-sed -i "s|DISABLE_FOCUS_INDICATOR:.*|DISABLE_FOCUS_INDICATOR: false,|" $INT_CONF_JS_HP
-sed -i "s|DISABLE_JOIN_LEAVE_NOTIFICATIONS:.*|DISABLE_JOIN_LEAVE_NOTIFICATIONS: true,|" $INT_CONF_JS_HP
-sed -i "s|DISABLE_VIDEO_BACKGROUND:.*|DISABLE_VIDEO_BACKGROUND: true,|" $INT_CONF_JS_HP
-sed -i "s|OPTIMAL_BROWSERS: \[.*|OPTIMAL_BROWSERS: \[ 'chrome', 'chromium', 'electron' \],|" $INT_CONF_JS_HP
-sed -i "s|UNSUPPORTED_BROWSERS: .*|UNSUPPORTED_BROWSERS: \[ 'nwjs', 'safari', 'firefox' \],|" $INT_CONF_JS_HP
+cp "$INT_CONF_JS" "$INT_CONF_JS_HP"
+sed -i "s|CONNECTION_INDICATOR_DISABLED:.*|CONNECTION_INDICATOR_DISABLED: true,|" "$INT_CONF_JS_HP"
+sed -i "s|DISABLE_DOMINANT_SPEAKER_INDICATOR:.*|DISABLE_DOMINANT_SPEAKER_INDICATOR: true,|" "$INT_CONF_JS_HP"
+sed -i "s|DISABLE_FOCUS_INDICATOR:.*|DISABLE_FOCUS_INDICATOR: false,|" "$INT_CONF_JS_HP"
+sed -i "s|DISABLE_JOIN_LEAVE_NOTIFICATIONS:.*|DISABLE_JOIN_LEAVE_NOTIFICATIONS: true,|" "$INT_CONF_JS_HP"
+sed -i "s|DISABLE_VIDEO_BACKGROUND:.*|DISABLE_VIDEO_BACKGROUND: true,|" "$INT_CONF_JS_HP"
+sed -i "s|OPTIMAL_BROWSERS: \[.*|OPTIMAL_BROWSERS: \[ 'chrome', 'chromium', 'electron' \],|" "$INT_CONF_JS_HP"
+sed -i "s|UNSUPPORTED_BROWSERS: .*|UNSUPPORTED_BROWSERS: \[ 'nwjs', 'safari', 'firefox' \],|" "$INT_CONF_JS_HP"
 
 ### Toolbars
 if version_gt "$(apt-show-versions jitsi-meet|awk '{print$2}')" "2.0.5390-3" ; then
   #New toolbar in config.js
-  sed -i "/\/\/ toolbarButtons:/i \ \ \ \ toolbarButtons:: \[" $MEET_CONF_HP
-  sed -i "/\/\/ toolbarButtons:/i \ \ \ \ \ \ \ \ 'microphone', 'camera', 'desktop', 'fullscreen'," $MEET_CONF_HP
+  sed -i "/\/\/ toolbarButtons:/i \ \ \ \ toolbarButtons:: \[" "$MEET_CONF_HP"
+  sed -i "/\/\/ toolbarButtons:/i \ \ \ \ \ \ \ \ 'microphone', 'camera', 'desktop', 'fullscreen'," "$MEET_CONF_HP"
   if [ -z "$CHAT_DISABLED" ] || [ "$CHAT_DISABLED" = "yes" ]; then
-    sed -i "/\/\/ toolbarButtons:/i \ \ \ \ \ \ \ \ 'fodeviceselection', 'hangup', 'profile', 'recording'," $MEET_CONF_HP
+    sed -i "/\/\/ toolbarButtons:/i \ \ \ \ \ \ \ \ 'fodeviceselection', 'hangup', 'profile', 'recording'," "$MEET_CONF_HP"
   else
-    sed -i "/\/\/ toolbarButtons:/i \ \ \ \ \ \ \ \ 'fodeviceselection', 'hangup', 'profile', 'chat', 'recording'," $MEET_CONF_HP
+    sed -i "/\/\/ toolbarButtons:/i \ \ \ \ \ \ \ \ 'fodeviceselection', 'hangup', 'profile', 'chat', 'recording'," "$MEET_CONF_HP"
   fi
-  sed -i "/\/\/ toolbarButtons:/i \ \ \ \ \ \ \ \ 'livestreaming', 'etherpad', 'settings', 'raisehand'," $MEET_CONF_HP
-  sed -i "/\/\/ toolbarButtons:/i \ \ \ \ \ \ \ \ 'videoquality', 'filmstrip', 'feedback'," $MEET_CONF_HP
-  sed -i "/\/\/ toolbarButtons:/i \ \ \ \ \ \ \ \ 'tileview', 'download', 'help', 'mute-everyone', 'mute-video-everyone', 'security'" $MEET_CONF_HP
-  sed -i "/\/\/ toolbarButtons:/i \ \ \ \ \]," $MEET_CONF_HP
+  sed -i "/\/\/ toolbarButtons:/i \ \ \ \ \ \ \ \ 'livestreaming', 'etherpad', 'settings', 'raisehand'," "$MEET_CONF_HP"
+  sed -i "/\/\/ toolbarButtons:/i \ \ \ \ \ \ \ \ 'videoquality', 'filmstrip', 'feedback'," "$MEET_CONF_HP"
+  sed -i "/\/\/ toolbarButtons:/i \ \ \ \ \ \ \ \ 'tileview', 'download', 'help', 'mute-everyone', 'mute-video-everyone', 'security'" "$MEET_CONF_HP"
+  sed -i "/\/\/ toolbarButtons:/i \ \ \ \ \]," "$MEET_CONF_HP"
 else
   #Old toolbar in interface.js (soon deprecated on newer versions)
-  sed -i "/^\s*TOOLBAR_BUTTONS*\]$/ s|^|//|; /^\s*TOOLBAR_BUTTONS/, /\],$/ s|^|//|" $INT_CONF_JS_HP
+  sed -i "/^\s*TOOLBAR_BUTTONS*\]$/ s|^|//|; /^\s*TOOLBAR_BUTTONS/, /\],$/ s|^|//|" "$INT_CONF_JS_HP"
 
-  sed -i "/\/\/    TOOLBAR_BUTTONS/i \ \ \ \ TOOLBAR_BUTTONS: \[" $INT_CONF_JS_HP
-  sed -i "/\/\/    TOOLBAR_BUTTONS/i \ \ \ \ \ \ \ \ 'microphone', 'camera', 'desktop', 'fullscreen'," $INT_CONF_JS_HP
+  sed -i "/\/\/    TOOLBAR_BUTTONS/i \ \ \ \ TOOLBAR_BUTTONS: \[" "$INT_CONF_JS_HP"
+  sed -i "/\/\/    TOOLBAR_BUTTONS/i \ \ \ \ \ \ \ \ 'microphone', 'camera', 'desktop', 'fullscreen'," "$INT_CONF_JS_HP"
   if [ -z "$CHAT_DISABLED" ] || [ "$CHAT_DISABLED" = "yes" ]; then
-    sed -i "/\/\/    TOOLBAR_BUTTONS/i \ \ \ \ \ \ \ \ 'fodeviceselection', 'hangup', 'profile', 'recording'," $INT_CONF_JS_HP
+    sed -i "/\/\/    TOOLBAR_BUTTONS/i \ \ \ \ \ \ \ \ 'fodeviceselection', 'hangup', 'profile', 'recording'," "$INT_CONF_JS_HP"
   else
-    sed -i "/\/\/    TOOLBAR_BUTTONS/i \ \ \ \ \ \ \ \ 'fodeviceselection', 'hangup', 'profile', 'chat', 'recording'," $INT_CONF_JS_HP
+    sed -i "/\/\/    TOOLBAR_BUTTONS/i \ \ \ \ \ \ \ \ 'fodeviceselection', 'hangup', 'profile', 'chat', 'recording'," "$INT_CONF_JS_HP"
   fi
-  sed -i "/\/\/    TOOLBAR_BUTTONS/i \ \ \ \ \ \ \ \ 'livestreaming', 'etherpad', 'settings', 'raisehand'," $INT_CONF_JS_HP
-  sed -i "/\/\/    TOOLBAR_BUTTONS/i \ \ \ \ \ \ \ \ 'videoquality', 'filmstrip', 'feedback'," $INT_CONF_JS_HP
-  sed -i "/\/\/    TOOLBAR_BUTTONS/i \ \ \ \ \ \ \ \ 'tileview', 'download', 'help', 'mute-everyone', 'mute-video-everyone', 'security'" $INT_CONF_JS_HP
-  sed -i "/\/\/    TOOLBAR_BUTTONS/i \ \ \ \ \]," $INT_CONF_JS_HP
+  sed -i "/\/\/    TOOLBAR_BUTTONS/i \ \ \ \ \ \ \ \ 'livestreaming', 'etherpad', 'settings', 'raisehand'," "$INT_CONF_JS_HP"
+  sed -i "/\/\/    TOOLBAR_BUTTONS/i \ \ \ \ \ \ \ \ 'videoquality', 'filmstrip', 'feedback'," "$INT_CONF_JS_HP"
+  sed -i "/\/\/    TOOLBAR_BUTTONS/i \ \ \ \ \ \ \ \ 'tileview', 'download', 'help', 'mute-everyone', 'mute-video-everyone', 'security'" "$INT_CONF_JS_HP"
+  sed -i "/\/\/    TOOLBAR_BUTTONS/i \ \ \ \ \]," "$INT_CONF_JS_HP"
 fi
 
 #Check config file
 echo -e "\n# Checking $MEET_CONF file for errors\n"
-CHECKJS_MEET_CHP=$(esvalidate $MEET_CONF_HP| cut -d ":" -f2)
+CHECKJS_MEET_CHP="$(esvalidate "$MEET_CONF_HP"| cut -d ":" -f2)"
 if [ -z "$CHECKJS_MEET_CHP" ]; then
 echo -e "\n# The $MEET_CONF_HP configuration seems correct. =)\n"
 else
@@ -313,7 +312,7 @@ echo -e "\n  Watch out!, there seems to be an issue on $MEET_CONF_HP line:
   Most of the times this is due upstream changes, please report to
   https://github.com/switnet-ltd/quick-jibri-installer/issues\n"
 fi
-CHECKJS_INT_CHP=$(esvalidate $INT_CONF_JS_HP| cut -d ":" -f2)
+CHECKJS_INT_CHP="$(esvalidate "$INT_CONF_JS_HP"| cut -d ":" -f2)"
 if [ -z "$CHECKJS_INT_CHP" ]; then
 echo -e "\n# The $INT_CONF_JS_HP configuration seems correct. =)\n"
 else
@@ -323,8 +322,8 @@ echo -e "\n  Watch out!, there seems to be an issue on $INT_CONF_JS_HP line:
   https://github.com/switnet-ltd/quick-jibri-installer/issues\n"
 fi
 
-sed -i "s|$MEET_CONF|$MEET_CONF_HP|g" $WS_CONF
-sed -i "s|$INT_CONF_JS|$INT_CONF_JS_HP|" $WS_CONF
+sed -i "s|$MEET_CONF|$MEET_CONF_HP|g" "$WS_CONF"
+sed -i "s|$INT_CONF_JS|$INT_CONF_JS_HP|" "$WS_CONF"
 nginx -t
 #systemctl restart nginx
 
diff --git a/mode/grid/selenium-grid-docker.sh b/mode/grid/selenium-grid-docker.sh
index 6acb471..868efd4 100644
--- a/mode/grid/selenium-grid-docker.sh
+++ b/mode/grid/selenium-grid-docker.sh
@@ -1,11 +1,25 @@
 #!/bin/bash
 # Custom Selenium Grid-Node fro Jitsi Meet
 # Pandian © - https://community.jitsi.org/u/Pandian
-# SwITNet Ltd © - 2021, https://switnet.net/
+# SwITNet Ltd © - 2022, https://switnet.net/
 # GPLv3 or later.
 
+while getopts m: option
+do
+	case "${option}"
+	in
+		m) MODE=${OPTARG};;
+		\?) echo "Usage: sudo bash ./$0 [-m debug]" && exit;;
+	esac
+done
+
+#DEBUG
+if [ "$MODE" = "debug" ]; then
+set -x
+fi
+
 #Check if user is root
-if ! [ $(id -u) = 0 ]; then
+if ! [ "$(id -u)" = 0 ]; then
    echo "You need to be root or have sudo privileges!"
    exit 0
 fi
@@ -14,7 +28,7 @@ WAN_IP="$(dig +short myip.opendns.com @resolver1.opendns.com)"
 AV_SPACE="$(df -h .|grep -v File|awk '{print$4}'|sed -e 's|G||')"
 
 echo -e "\n-- Make sure you have at least 10GB of disk space available.\n"
-if [ $(echo "$AV_SPACE > 9" | bc) -ne 0 ]; then
+if [ "$(echo "$AV_SPACE > 9" | bc)" -ne 0 ]; then
   echo "> Seems we have enough disk space."
 else
   echo "> Please meet the minimum required disk space for this installer, exiting..."
@@ -30,7 +44,7 @@ apt-get install -y \
                          wget \
                          unzip \
                          maven \
-                         openjdk-8-jdk
+                         openjdk-11-jdk
 # Docker
 curl -fsSL https://get.docker.com -o get-docker.sh
 sh get-docker.sh
@@ -40,17 +54,17 @@ chmod +x /usr/local/bin/docker-compose
 ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
 
 # Jitsi Meet Torture
-cd /opt
+cd /opt || exit
 git clone https://github.com/jitsi/jitsi-meet-torture
-cd jitsi-meet-torture/resources
-if [ -f FourPeople_1280x720_30.y4m ] ; then
+cd jitsi-meet-torture/ || exit
+if [ -f resources/FourPeople_1280x720_30.y4m ] ; then
   echo "FourPeople_1280x720_30.y4m exists"
 else
   echo "FourPeople_1280x720_30.y4m doesn't exists, getting a copy..."
   wget -c https://media.xiph.org/video/derf/y4m/FourPeople_1280x720_60.y4m
-  cp FourPeople_1280x720_60.y4m FourPeople_1280x720_30.y4m
+  mv FourPeople_1280x720_60.y4m resources/
+  cp resources/FourPeople_1280x720_60.y4m resources/FourPeople_1280x720_30.y4m
 fi
-cd ..
 
 #150 "participants" available
 ## Tested up to 120 with AWS c5.24xlarge
@@ -145,8 +159,8 @@ sudo bash /opt/jitsi-meet-torture/scripts/malleus.sh \\
                         --hub-url=http://localhost:4444/wd/hub \\
                         --instance-url=https://YOUR.JITSI-MEET-INSTANCE.DOMAIN
 "
-echo -e "\n-- If using 'hamertesting' as prefix name you can join the room 
-hamertesting0, hamertesting1, hamertestingN 
+echo -e "\n-- If using 'hamertesting' as prefix name you can join the room
+hamertesting0, hamertesting1, hamertestingN
 according to the 'N' number of conferences you have set to watch the test.
 
 *Beware* for 120 \"participants\" to join video-muted it was necessary at least a c5.24xlarge AWS instance.
diff --git a/mode/jms-stu.sh b/mode/jms-stu.sh
index 2fb45ba..2eb4e2d 100644
--- a/mode/jms-stu.sh
+++ b/mode/jms-stu.sh
@@ -2,49 +2,49 @@
 # System-tune-up to remove system software restrictions on a huge load of connections.
 # Be aware that hardware/infrastructure resources are the most common limiters.
 #
-# SwITNet Ltd © - 2021, https://switnet.net/
+# SwITNet Ltd © - 2022, https://switnet.net/
 # GPLv3 or later.
 
-#Check if user is root
-if ! [ $(id -u) = 0 ]; then
-   echo "You need to be root or have privileges!"
-   exit 0
-fi
-
 while getopts m: option
 do
 	case "${option}"
 	in
 		m) MODE=${OPTARG};;
-		\?) echo "Usage: sudo ./jms-stu.sh [-m debug]" && exit;;
+		\?) echo "Usage: sudo bash ./$0 [-m debug]" && exit;;
 	esac
 done
 
-echo '
-#--------------------------------------------------
-# Starting system tune up configuration 
-# for high performance
-#--------------------------------------------------
-'
-
 #DEBUG
 if [ "$MODE" = "debug" ]; then
 set -x
 fi
 
-set_once() {
-if [ -z "$(awk '!/^ *#/ && NF {print}' "$2"|grep $(echo $1|awk -F '=' '{print$1}'))" ]; then
-  echo "Setting "$1" on "$2"..."
+#Check if user is root
+if ! [ "$(id -u)" = 0 ]; then
+   echo "You need to be root or have privileges!"
+   exit 0
+fi
+
+echo '
+#--------------------------------------------------
+# Starting system tune up configuration
+# for high performance
+#--------------------------------------------------
+'
+
+set_once_hash_comment() {
+if ! awk '!/^ *#/ && NF {print}' "$2"|grep -q "$(awk -F '=' '{print$1}' <<< "$1")" ; then
+  echo "Setting $1 on $2..."
   echo "$1" | tee -a "$2"
 else
-  echo " \"$(echo $1|awk -F '=' '{print$1}')\" seems present, skipping setting this variable"
+  echo "\"$(awk -F '=' '{print$1}' <<< "$1")\" seems already present, skipping setting this variable"
 fi
 }
 FSTAB=/etc/fstab
 
 ##Disable swap
 swapoff -a
-sed -r  '/\sswap\s/s/^#?/#/' -i $FSTAB
+sed -r  '/\sswap\s/s/^#?/#/' -i "$FSTAB"
 
 ##Alternative swap tuning (need more documentation).
 #vm.swappiness=5
@@ -56,24 +56,24 @@ sysctl -w net.core.rmem_default=262144
 sysctl -w net.core.wmem_default=262144
 sysctl -w net.core.rmem_max=262144
 sysctl -w net.core.wmem_max=262144
-set_once "net.core.rmem_default=262144" "/etc/sysctl.conf"
-set_once "net.core.wmem_default=262144" "/etc/sysctl.conf"
-set_once "net.core.rmem_max=262144" "/etc/sysctl.conf"
-set_once "net.core.wmem_max=262144" "/etc/sysctl.conf"
+set_once_hash_comment "net.core.rmem_default=262144" "/etc/sysctl.conf"
+set_once_hash_comment "net.core.wmem_default=262144" "/etc/sysctl.conf"
+set_once_hash_comment "net.core.rmem_max=262144" "/etc/sysctl.conf"
+set_once_hash_comment "net.core.wmem_max=262144" "/etc/sysctl.conf"
 
 #system
 #https://jitsi.github.io/handbook/docs/devops-guide/devops-guide-quickstart
-set_once "DefaultLimitNOFILE=65000" "/etc/sysctl.conf"
-set_once "DefaultLimitNPROC=65000" "/etc/sysctl.conf"
-set_once "DefaultTasksMax=65000" "/etc/sysctl.conf"
+set_once_hash_comment "DefaultLimitNOFILE=65000" "/etc/sysctl.conf"
+set_once_hash_comment "DefaultLimitNPROC=65000" "/etc/sysctl.conf"
+set_once_hash_comment "DefaultTasksMax=65000" "/etc/sysctl.conf"
 
 #https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux_for_real_time/7/html/tuning_guide/reduce_tcp_performance_spikes
 sysctl -w net.ipv4.tcp_timestamps=0
-set_once "net.ipv4.tcp_timestamps=0" "/etc/sysctl.conf"
+set_once_hash_comment "net.ipv4.tcp_timestamps=0" "/etc/sysctl.conf"
 
 #https://bugzilla.redhat.com/show_bug.cgi?id=1283676
 sysctl -w net.core.netdev_max_backlog=100000
-set_once "net.core.netdev_max_backlog=100000" "/etc/sysctl.conf"
+set_once_hash_comment "net.core.netdev_max_backlog=100000" "/etc/sysctl.conf"
 
 ##nginx
 sed -i "s|worker_connections.*|worker_connections 2000;|" /etc/nginx/nginx.conf
diff --git a/mode/jwt.sh b/mode/jwt.sh
index a19aa41..73dc381 100644
--- a/mode/jwt.sh
+++ b/mode/jwt.sh
@@ -1,16 +1,31 @@
 #!/bin/bash
 # JWT Mode Setup
-# SwITNet Ltd © - 2021, https://switnet.net/
+# SwITNet Ltd © - 2022, https://switnet.net/
 # GPLv3 or later.
-DOMAIN=$(ls /etc/prosody/conf.d/ | grep -v localhost | awk -F'.cfg' '{print $1}' | awk '!NF || !seen[$0]++')
+
+while getopts m: option
+do
+	case "${option}"
+	in
+		m) MODE=${OPTARG};;
+		\?) echo "Usage: sudo bash ./$0 [-m debug]" && exit;;
+	esac
+done
+
+#DEBUG
+if [ "$MODE" = "debug" ]; then
+set -x
+fi
+
+DOMAIN="$(find /etc/prosody/conf.d/ -name \*.lua|awk -F'.cfg' '!/localhost/{print $1}'|xargs basename)"
 MEET_CONF="/etc/jitsi/meet/$DOMAIN-config.js"
 JICOFO_SIP="/etc/jitsi/jicofo/sip-communicator.properties"
 PROSODY_FILE="/etc/prosody/conf.d/$DOMAIN.cfg.lua"
 PROSODY_SYS="/etc/prosody/prosody.cfg.lua"
 APP_ID="$(tr -dc "a-zA-Z0-9" < /dev/urandom | fold -w 16 | head -n1)"
 SECRET_APP="$(tr -dc "a-zA-Z0-9" < /dev/urandom | fold -w 64 | head -n1)"
-SRP_STR=$(grep -n "VirtualHost \"$DOMAIN\"" $PROSODY_FILE | head -n1 | cut -d ":" -f1)
-SRP_END=$((SRP_STR + 10))
+SRP_STR="$(grep -n "VirtualHost \"$DOMAIN\"" "$PROSODY_FILE" | head -n1 | cut -d ":" -f1)"
+SRP_END="$((SRP_STR + 10))"
 
 ## Required  openssl for Focal 20.04
 if [ "$(lsb_release -sc)" = "focal" ]; then
@@ -37,26 +52,26 @@ echo "set jitsi-meet-tokens/appsecret password $SECRET_APP" | debconf-set-select
 apt-get install -y jitsi-meet-tokens
 
 #Setting up
-sed -i "s|c2s_require_encryption = true|c2s_require_encryption = false|" $PROSODY_SYS
+sed -i "s|c2s_require_encryption = true|c2s_require_encryption = false|" "$PROSODY_SYS"
 #-
-sed -i "$SRP_STR,$SRP_END{s|authentication = \"anonymous\"|authentication = \"token\"|}" $PROSODY_FILE
-sed -i "s|--app_id=\"example_app_id\"|app_id=\"$APP_ID\"|" $PROSODY_FILE
-sed -i "s|--app_secret=\"example_app_secret\"|app_secret=\"$SECRET_APP\"|" $PROSODY_FILE
-sed -i "/app_secret/a \\\\" $PROSODY_FILE
-sed -i "/app_secret/a \ \ \ \ allow_empty_token = false" $PROSODY_FILE
-sed -i "/app_secret/a \\\\" $PROSODY_FILE
-sed -i "/app_secret/a \ \ \ \ asap_accepted_issuers = { \"$APP_ID\" }" $PROSODY_FILE
-sed -i "/app_secret/a \ \ \ \ asap_accepted_audiences = { \"$APP_ID\", \"RocketChat\" }" $PROSODY_FILE
-sed -i "/app_secret/a \\\\" $PROSODY_FILE
-sed -i "s|--allow_empty_token =.*|allow_empty_token = false|" $PROSODY_FILE
-sed -i 's|--"token_verification"|"token_verification"|' $PROSODY_FILE
+sed -i "$SRP_STR,$SRP_END{s|authentication = \"anonymous\"|authentication = \"token\"|}" "$PROSODY_FILE"
+sed -i "s|--app_id=\"example_app_id\"|app_id=\"$APP_ID\"|" "$PROSODY_FILE"
+sed -i "s|--app_secret=\"example_app_secret\"|app_secret=\"$SECRET_APP\"|" "$PROSODY_FILE"
+sed -i "/app_secret/a \\\\" "$PROSODY_FILE"
+sed -i "/app_secret/a \ \ \ \ allow_empty_token = false" "$PROSODY_FILE"
+sed -i "/app_secret/a \\\\" "$PROSODY_FILE"
+sed -i "/app_secret/a \ \ \ \ asap_accepted_issuers = { \"$APP_ID\" }" "$PROSODY_FILE"
+sed -i "/app_secret/a \ \ \ \ asap_accepted_audiences = { \"$APP_ID\", \"RocketChat\" }" "$PROSODY_FILE"
+sed -i "/app_secret/a \\\\" "$PROSODY_FILE"
+sed -i "s|--allow_empty_token =.*|allow_empty_token = false|" "$PROSODY_FILE"
+sed -i 's|--"token_verification"|"token_verification"|' "$PROSODY_FILE"
 
 #Request auth
-sed -i "s|#org.jitsi.jicofo.auth.URL=EXT_JWT:|org.jitsi.jicofo.auth.URL=EXT_JWT:|" $JICOFO_SIP
-sed -i "s|// anonymousdomain: 'guest.example.com'|anonymousdomain: \'guest.$DOMAIN\'|" $MEET_CONF
+sed -i "s|#org.jitsi.jicofo.auth.URL=EXT_JWT:|org.jitsi.jicofo.auth.URL=EXT_JWT:|" "$JICOFO_SIP"
+sed -i "s|// anonymousdomain: 'guest.example.com'|anonymousdomain: \'guest.$DOMAIN\'|" "$MEET_CONF"
 
 #Enable jibri recording
-cat  << REC-JIBRI >> $PROSODY_FILE
+cat  << REC-JIBRI >> "$PROSODY_FILE"
 
 VirtualHost "recorder.$DOMAIN"
   modules_enabled = {
@@ -67,7 +82,7 @@ VirtualHost "recorder.$DOMAIN"
 REC-JIBRI
 
 #Setup guests and lobby
-cat << P_SR >> $PROSODY_FILE
+cat << P_SR >> "$PROSODY_FILE"
 -- #Change back lobby - https://community.jitsi.org/t/64769/136
 VirtualHost "guest.$DOMAIN"
     authentication = "token"
diff --git a/quick_jibri_installer.sh b/quick_jibri_installer.sh
index dd077f7..0aff27c 100644
--- a/quick_jibri_installer.sh
+++ b/quick_jibri_installer.sh
@@ -1,17 +1,17 @@
 #!/bin/bash
 # Quick Jibri Installer - *buntu (LTS) based systems.
-# SwITNet Ltd © - 2021, https://switnet.net/
+# SwITNet Ltd © - 2022, https://switnet.net/
 # GPLv3 or later.
 {
 echo "Started at $(date +'%Y-%m-%d %H:%M:%S')" >> qj-installer.log
 
 while getopts m: option
 do
-    case "${option}"
-    in
-        m) MODE=${OPTARG};;
-        \?) echo "Usage: sudo ./quick_jibri_installer.sh [-m debug]" && exit;;
-    esac
+	case "${option}"
+	in
+		m) MODE=${OPTARG};;
+		\?) echo "Usage: sudo bash ./$0 [-m debug]" && exit;;
+	esac
 done
 
 #DEBUG
@@ -26,12 +26,12 @@ NGINX=$(dpkg-query -W -f='${Status}' nginx 2>/dev/null | grep -c "ok installed")
 DIST=$(lsb_release -sc)
 GOOGL_REPO="/etc/apt/sources.list.d/dl_google_com_linux_chrome_deb.list"
 GOOGLE_ACTIVE_REPO=$(apt-cache policy | awk '/chrome/{print$3}' | awk -F "/" 'NR==1{print$2}')
-PROSODY_REPO=$(apt-cache policy | awk '/prosody/{print$3}' | awk -F "/" 'NR==1{print$2}')
+PROSODY_REPO="$(apt-cache policy | awk '/prosody/{print$3}' | awk -F "/" 'NR==1{print$2}')"
 PUBLIC_IP="$(dig +short myip.opendns.com @resolver1.opendns.com)"
-CR=`echo $'\n> '`
+NL="$(printf '\n  ')"
 
 exit_ifinstalled() {
-if [ "$(dpkg-query -W -f='${Status}' $1 2>/dev/null | grep -c "ok installed")" == "1" ]; then
+if [ "$(dpkg-query -W -f='${Status}' "$1" 2>/dev/null | grep -c "ok installed")" == "1" ]; then
     echo "
 This instance already has $1 installed, exiting...
 Please try again on a clean system.
@@ -53,11 +53,11 @@ rename_distro etiona bionic
 rename_distro nabia  focal
 
 install_ifnot() {
-if [ "$(dpkg-query -W -f='${Status}' $1 2>/dev/null | grep -c "ok installed")" == "1" ]; then
+if [ "$(dpkg-query -W -f='${Status}' "$1" 2>/dev/null | grep -c "ok installed")" == "1" ]; then
     echo " $1 is installed, skipping..."
     else
-        echo -e "\n---- Installing $1 ----"
-        apt-get -yq2 install $1
+        printf "\n---- Installing %s ----" "$1"
+        apt-get -yq2 install "$1"
 fi
 }
 check_serv() {
@@ -68,19 +68,15 @@ The recommended setup is using NGINX, exiting...
     exit
 elif [ "$NGINX" -eq 1 ]; then
 
-echo "
-Webserver already installed!
-"
+printf "\nWebserver already installed!\n"
 
 else
-    echo "
-Installing nginx webserver!
-"
+    printf "\nInstalling nginx webserver!\n"
     install_ifnot nginx
 fi
 }
 check_snd_driver() {
-echo -e "\n# Checking ALSA - Loopback module..."
+printf "\n# Checking ALSA - Loopback module..."
 echo "snd-aloop" | tee -a /etc/modules
 modprobe snd-aloop
 if [ "$(lsmod|awk '/snd_aloop/{print$1}'|awk 'NR==1')" = "snd_aloop" ]; then
@@ -96,16 +92,16 @@ else
 #-----------------------------------------------------------------------"
 #Test tool
   if [ "$MODE" = "debug" ]; then
-    bash $PWD/tools/test-jibri-env.sh -m debug
+    bash "$PWD"/tools/test-jibri-env.sh -m debug
   else
-    bash $PWD/tools/test-jibri-env.sh
+    bash "$PWD"/tools/test-jibri-env.sh
   fi
 read -n 1 -s -r -p "Press any key to continue..."$'\n'
 fi
 }
 # sed limiters for add-jibri-node.sh variables
 var_dlim() {
-    grep -n $1 add-jibri-node.sh|head -n1|cut -d ":" -f1
+    grep -n "$1" add-jibri-node.sh|head -n1|cut -d ":" -f1
 }
 add_prosody_repo() {
 echo "Add Prosody repo"
@@ -117,7 +113,7 @@ else
 fi
 }
 dpkg-compare() {
-dpkg --compare-versions $(dpkg-query -f='${Version}' --show $1) $2 $3
+dpkg --compare-versions "$(dpkg-query -f='${Version}' --show "$1")" "$2" "$3"
 }
 wait_seconds() {
 secs=$(($1))
@@ -128,7 +124,7 @@ while [ $secs -gt 0 ]; do
 done
 }
 clear
-echo -e '
+printf '
 ########################################################################
                     Welcome to Jitsi/Jibri Installer
 ########################################################################
@@ -148,17 +144,17 @@ Wiki and documentation: https://github.com/switnet-ltd/quick-jibri-installer/wik
 read -n 1 -s -r -p "Press any key to continue..."$'\n'
 
 #Check if user is root
-if ! [ $(id -u) = 0 ]; then
+if ! [ "$(id -u)" = 0 ]; then
    echo "You need to be root or have sudo privileges!"
    exit 0
 fi
+
+    printf "\nOS: %s" "$(lsb_release -sd)"
 if [ "$DIST" = "bionic" ] || \
    [ "$DIST" = "focal" ]; then
-    echo "OS: $(lsb_release -sd)"
-    echo "Good, this is a supported platform!"
+    printf "\nGood, this is a supported platform!"
 else
-    echo "OS: $(lsb_release -sd)"
-    echo "Sorry, this platform is not supported... exiting"
+    printf "\nSorry, this platform is not supported... exiting"
     exit
 fi
 #Suggest 20.04 LTS release over 18.04 in April 2022
@@ -178,50 +174,46 @@ fi
 #Check system resources
 echo "Verifying System Resources:"
 if [ "$(nproc --all)" -lt 4 ];then
-  echo "
-Warning!: The system do not meet the minimum CPU requirements for Jibri to run.
->> We recommend 4 cores/threads for Jibri!
-"
-  CPU_MIN="N"
+    printf "\nWarning!: The system do not meet the minimum CPU requirements for Jibri to run."
+    printf "\n>> We recommend 4 cores/threads for Jibri!\n\n"
+    CPU_MIN="N"
 else
-  echo "CPU Cores/Threads: OK ($(nproc --all))"
-  CPU_MIN="Y"
+    printf "\nCPU Cores/Threads: OK (%s)\n\n" "$(nproc --all)"
+    CPU_MIN="Y"
 fi
+sleep .1
 ### Test RAM size (8GB min) ###
-mem_available=$(grep MemTotal /proc/meminfo| grep -o '[0-9]\+')
-if [ ${mem_available} -lt 7700000 ]; then
-  echo "
-Warning!: The system do not meet the minimum RAM requirements for Jibri to run.
->> We recommend 8GB RAM for Jibri!
-"
-  MEM_MIN="N"
+mem_available="$(grep MemTotal /proc/meminfo| grep -o '[0-9]\+')"
+if [ "$mem_available" -lt 7700000 ]; then
+    printf "\nWarning!: The system do not meet the minimum RAM requirements for Jibri to run."
+    printf "\n>> We recommend 8GB RAM for Jibri!\n\n"
+    MEM_MIN="N"
 else
-  echo "Memory: OK ($((mem_available/1024)) MiB)"
-  MEM_MIN="Y"
+    printf "\nMemory: OK (%s) MiB)\n\n" "$(mem_available/1024)"
+    MEM_MIN="Y"
 fi
+sleep .1
 if [ "$CPU_MIN" = "Y" ] && [ "$MEM_MIN" = "Y" ];then
     echo "All requirements seems meet!"
-    echo "
-    - We hope you have a nice recording/streaming session
-    "
+    printf "\n    - We hope you have a nice recording/streaming session\n"
 else
-    echo "CPU ($(nproc --all))/RAM ($((mem_available/1024)) MiB) does NOT meet minimum recommended requirements!"
-    echo "Even when you can use the videoconferencing sessions, we advice to increase the resources in order to user Jibri."
-    while [[ "$CONTINUE_LOW_RES" != "yes" && "$CONTINUE_LOW_RES" != "no" ]]
+    printf "CPU (%s)/RAM (%s MiB) does NOT meet minimum recommended requirements!" "$(nproc --all)" "$((mem_available/1024))"
+    printf "\nEven when you can use the videoconferencing sessions, we advice to increase the resources in order to user Jibri.\n\n"
+    while [ "$CONTINUE_LOW_RES" != "yes" ] && [ "$CONTINUE_LOW_RES" != "no" ]
     do
-    read -p "> Do you want to continue?: (yes or no)"$'\n' -r CONTINUE_LOW_RES
+    read -p "> Do you want to continue?: (yes or no)$NL" -r CONTINUE_LOW_RES
     if [ "$CONTINUE_LOW_RES" = "no" ]; then
-            echo "See you next time with more resources!..."
+            echo " - See you next time with more resources!..."
             exit
     elif [ "$CONTINUE_LOW_RES" = "yes" ]; then
-            echo "We highly recommend to increase the server resources."
-            echo "Otherwise, please think about adding dedicated jibri nodes instead."
+            printf " - We highly recommend to increase the server resources."
+            printf " - Otherwise, please think about adding dedicated jibri nodes instead.\n"
     fi
     done
 fi
-
+sleep .1
 if [ "$CONTINUE_LOW_RES" = "yes" ]; then
-echo -e "\nThis server will likely have issues due the lack of resources.
+echo 'This server will likely have issues due the lack of resources.
 If you plan to enable other components such as,
 
  - JRA via Nextcloud
@@ -229,97 +221,106 @@ If you plan to enable other components such as,
  - Additional Jibri Nodes
  - others.
 
-We higly recommend to increase resources of this server.
+>>> We higly recommend to increase resources of this server. <<<
 
 For now we advice to disable the Jibri service locally and add an external
 Jibri node once this installation has finished, using our script:
 
- >> add-jibri-node.sh
-
-So you can add a Jibri server on a instance with enough resources.\n"
-
-    while [[ "$DISABLE_LOCAL_JIBRI" != "yes" && "$DISABLE_LOCAL_JIBRI" != "no" ]]
+ >> add-jibri-node.sh'
+printf "\nSo you can add a Jibri server on a instance with enough resources.\n\n"
+sleep .1
+    while [ "$DISABLE_LOCAL_JIBRI" != "yes" ] && [ "$DISABLE_LOCAL_JIBRI" != "no" ]
     do
-    read -p "> Do you want to disable local jibri service?: (yes or no)"$'\n' -r DISABLE_LOCAL_JIBRI
-    if [ "$DISABLE_LOCAL_JIBRI" = "no" ]; then
-            echo -e "Please keep in mind that we might not support underpowered servers.\n"
-    elif [ "$DISABLE_LOCAL_JIBRI" = "yes" ]; then
-            echo -e "You can add dedicated jibri nodes later, see more at the wiki.\n"
-    fi
+    read -p "> Do you want to disable local jibri service?: (yes or no)$NL" -r DISABLE_LOCAL_JIBRI
+        if [ "$DISABLE_LOCAL_JIBRI" = "no" ]; then
+            printf " - Please keep in mind that we might not support underpowered servers.\n"
+        elif [ "$DISABLE_LOCAL_JIBRI" = "yes" ]; then
+            printf " - You can add dedicated jibri nodes later, see more at the wiki.\n"
+        fi
     done
 fi
-
+sleep .1
 #Check system oriented porpuse
-echo "Checking system oriented purpose....
-"
 apt-get -yq2 update
 SYSTEM_DE="$(apt-cache search "ubuntu-(desktop|mate-desktop)"|awk '{print$1}'|xargs|sed 's|$| trisquel triskel trisquel-mini|')"
-SYSTEM_DE_ARRAY=( $SYSTEM_DE )
+SYSTEM_DE_ARRAY=( "$SYSTEM_DE" )
+printf "\nChecking for common desktop system oriented purpose....\n"
 for de in "${SYSTEM_DE_ARRAY[@]}"
 do
-    if [ "$(dpkg-query -W -f='${Status}' $de 2>/dev/null | grep -c "ok installed")" == "1" ]; then
-        echo -e "\n > This instance has $de installed, exiting...
+    if [ "$(dpkg-query -W -f='${Status}' "$de" 2>/dev/null | grep -c "ok installed")" == "1" ]; then
+        printf "\n > This instance has %s installed, exiting...
 \nPlease avoid using this installer on a desktop-user oriented GNU/Linux system.
- This is an unsupported use, as it will likely BREAK YOUR SYSTEM, so please don't."
+ This is an unsupported use, as it will likely BREAK YOUR SYSTEM, so please don't." "$de"
         exit
     else
-        echo -e " > No standard desktop environment '$de' for user oriented porpuse detected, continuing..."
+        printf " > No standard desktop environment for user oriented porpuse detected, continuing...\n\n"
     fi
 done
-
+sleep .1
 #Prosody repository
 add_prosody_repo
-
+sleep .1
 # Jitsi-Meet Repo
-echo -e "\nAdd Jitsi repo\n"
+printf "\nAdd Jitsi repo\n"
 if [ "$JITSI_REPO" = "stable" ]; then
-    echo "Jitsi stable repository already installed"
+    printf " - Jitsi stable repository already installed\n\n"
 else
     echo 'deb http://download.jitsi.org stable/' > /etc/apt/sources.list.d/jitsi-stable.list
     wget -qO -  https://download.jitsi.org/jitsi-key.gpg.key | apt-key add -
     JITSI_REPO="stable"
 fi
+sleep .1
 #Default to LE SSL?
-while [[ "$LE_SSL" != "yes" && "$LE_SSL" != "no" ]]
+while [ "$LE_SSL" != "yes" ] && [ "$LE_SSL" != "no" ]
 do
-read -p "> Do you plan to use Let's Encrypt SSL certs?: (yes or no)"$'\n' -r LE_SSL
-if [ $LE_SSL = yes ]; then
-  echo "We'll default to Let's Encrypt SSL certs."
+read -p "> Do you plan to use Let's Encrypt SSL certs?: (yes or no)$NL" -r LE_SSL
+if [ "$LE_SSL" = yes ]; then
+    printf " - We'll setup Let's Encrypt SSL certs.\n\n"
 else
-  echo "We'll let you choose later on for it.
-  Please be aware that a valid SSL cert is required for some features to work properly."
+    printf " - We'll let you choose later on for it."
+    printf"   Please be aware that a valid SSL cert is required for some features to work properly.\n\n"
 fi
 done
+sleep .1
 #Set domain
-if [ "$LE_SSL" = "yes" ]; then
-  while [[ "$ANS_JD" != "yes" ]]
+if [ "$LE_SSL" = "yes" ]
+then
+  while [ "$ANS_JD" != "yes" ]
   do
-    read -p "> Please set your domain (or subdomain) here: (e.g.: jitsi.domain.com)"$'\n' -r JITSI_DOMAIN
-    read -p "> Did you mean?: $JITSI_DOMAIN (yes or no)"$'\n' -r ANS_JD
-    if [ "$ANS_JD" = "yes" ]; then
-      echo "Alright, let's use $JITSI_DOMAIN."
+    read -p "> Please set your domain (or subdomain) here: (e.g.: jitsi.domain.com)$NL" -r JITSI_DOMAIN
+    read -p "  > Did you mean?: $JITSI_DOMAIN (yes or no)$NL" -r ANS_JD
+    if [ "$ANS_JD" = "yes" ]
+    then
+      echo "   - Alright, let's use $JITSI_DOMAIN."
     else
-      echo "Please try again."
+      echo "   - Please try again."
     fi
   done
+sleep .1
+  #Sysadmin email
+    while [ -z "$SYSADMIN_EMAIL" ]
+    do
+      read -p "  > Set sysadmin email (this is a mandatory field):$NL" -r SYSADMIN_EMAIL
+    done
+sleep .1
   #Simple DNS test
-    if [ "$PUBLIC_IP" = "$(dig -4 +short $JITSI_DOMAIN||awk -v RS='([0-9]+\\.){3}[0-9]+' 'RT{print RT}')" ]; then
-        echo "Server public IP  & DNS record for $JITSI_DOMAIN seems to match, continuing...
-"
+    if [ "$PUBLIC_IP" = "$(dig -4 +short "$JITSI_DOMAIN"||awk -v RS='([0-9]+\\.){3}[0-9]+' 'RT{print RT}')" ]; then
+        printf "\nServer public IP  & DNS record for %s seems to match, continuing..." "$JITSI_DOMAIN"
     else
        echo "Server public IP ($PUBLIC_IP) & DNS record for $JITSI_DOMAIN don't seem to match."
     echo "  > Please check your dns records are applied and updated, otherwise components may fail."
-      read -p "  > Do you want to continue?: (yes or no)"$'\n' -r DNS_CONTINUE
+      read -p "  > Do you want to continue?: (yes or no)$NL" -r DNS_CONTINUE
         if [ "$DNS_CONTINUE" = "yes" ]; then
           echo "  - We'll continue anyway..."
         else
           echo "  - Exiting for now..."
           exit
         fi
-  fi
+    fi
 fi
+sleep .1
 # Requirements
-echo -e "\nWe'll start by installing system requirements this may take a while please be patient...\n"
+printf "\nWe'll start by installing system requirements this may take a while please be patient...\n"
 apt-get update -q2
 apt-get dist-upgrade -yq2
 
@@ -348,15 +349,15 @@ apt-get -y install \
 fi
 
 echo "# Check and Install HWE kernel if possible..."
-HWE_VIR_MOD=$(apt-cache madison linux-image-generic-hwe-$(lsb_release -sr) 2>/dev/null|head -n1|grep -c "hwe-$(lsb_release -sr)")
+HWE_VIR_MOD="$(apt-cache madison linux-image-generic-hwe-"$(lsb_release -sr)" 2>/dev/null|head -n1|grep -c "hwe-$(lsb_release -sr)")"
 if [ "$HWE_VIR_MOD" = "1" ]; then
     apt-get -y install \
-    linux-image-generic-hwe-$(lsb_release -sr) \
-    linux-tools-generic-hwe-$(lsb_release -sr)
+    linux-image-generic-hwe-"$(lsb_release -sr)" \
+    linux-tools-generic-hwe-"$(lsb_release -sr)"
 else
     apt-get -y install \
     linux-image-generic \
-    linux-modules-extra-$(uname -r)
+    linux-modules-extra-"$(uname -r)"
 fi
 
 check_serv
@@ -373,7 +374,7 @@ fi
 apt-get -y install \
                 jitsi-meet \
                 jibri \
-                openjdk-8-jre-headless
+                openjdk-11-jre-headless
 
 # Fix RAND_load_file error
 #https://github.com/openssl/openssl/issues/7754#issuecomment-444063355
@@ -409,7 +410,7 @@ if [ "$GOOGLE_ACTIVE_REPO" = "main" ]; then
 else
     echo "Installing Google Chrome Stable"
     wget -q -O - https://dl.google.com/linux/linux_signing_key.pub | apt-key add -
-    echo "deb http://dl.google.com/linux/chrome/deb/ stable main" | tee $GOOGL_REPO
+    echo "deb http://dl.google.com/linux/chrome/deb/ stable main" | tee "$GOOGL_REPO"
 fi
 apt-get -q2 update
 apt-get install -yq2 google-chrome-stable
@@ -419,7 +420,7 @@ if [ -f /usr/local/bin/chromedriver ]; then
     echo "Chromedriver already installed."
 else
     echo "Installing Chromedriver"
-    wget -q https://chromedriver.storage.googleapis.com/$CHD_LTST/chromedriver_linux64.zip \
+    wget -q https://chromedriver.storage.googleapis.com/"$CHD_LTST"/chromedriver_linux64.zip \
          -O /tmp/chromedriver_linux64.zip
     unzip -o /tmp/chromedriver_linux64.zip -d /usr/local/bin/
     chown root:root /usr/local/bin/chromedriver
@@ -427,23 +428,19 @@ else
     rm -rf /tpm/chromedriver_linux64.zip
 fi
 
-echo "
-Check Google Software Working...
-"
+printf "\nCheck Google Software Working...\n"
 /usr/bin/google-chrome --version
 /usr/local/bin/chromedriver --version | awk '{print$1,$2}'
 
-echo "
-Remove Chrome warning...
-"
+printf "\nRemove Chrome warning...\n"
 mkdir -p /etc/opt/chrome/policies/managed
-echo '{ "CommandLineFlagSecurityWarningsEnabled": false }' > $GCMP_JSON
+echo '{ "CommandLineFlagSecurityWarningsEnabled": false }' > "$GCMP_JSON"
 
 ## JMS system tune up
 if [ "$MODE" = "debug" ]; then
-    bash $PWD/mode/jms-stu.sh -m debug
+    bash "$PWD"/mode/jms-stu.sh -m debug
 else
-    bash $PWD/mode/jms-stu.sh
+    bash "$PWD"/mode/jms-stu.sh
 fi
 
 echo '
@@ -452,7 +449,7 @@ echo '
 ########################################################################
 '
 # MEET / JIBRI SETUP
-DOMAIN="$(find /etc/prosody/conf.d/ -name *.lua|awk -F'.cfg' '!/localhost/{print $1}'|xargs basename)"
+DOMAIN="$(find /etc/prosody/conf.d/ -name \*.lua|awk -F'.cfg' '!/localhost/{print $1}'|xargs basename)"
 WS_CONF="/etc/nginx/sites-available/$DOMAIN.conf"
 JB_AUTH_PASS="$(tr -dc "a-zA-Z0-9#*=" < /dev/urandom | fold -w 10 | head -n1)"
 JB_REC_PASS="$(tr -dc "a-zA-Z0-9#*=" < /dev/urandom | fold -w 10 | head -n1)"
@@ -463,7 +460,7 @@ MEET_CONF="/etc/jitsi/meet/$DOMAIN-config.js"
 JIBRI_CONF="/etc/jitsi/jibri/jibri.conf"
 JVB2_CONF="/etc/jitsi/videobridge/config"
 JVB2_SIP="/etc/jitsi/videobridge/sip-communicator.properties"
-DIR_RECORD=/var/jbrecord
+DIR_RECORD="/var/jbrecord"
 REC_DIR="/home/jibri/finalize_recording.sh"
 JB_NAME="Jibri Sessions"
 LE_RENEW_LOG="/var/log/letsencrypt/renew.log"
@@ -480,156 +477,134 @@ FQDN_HOST="fqdn"
 JIBRI_XORG_CONF="/etc/jitsi/jibri/xorg-video-dummy.conf"
 
 # Rename hostname for jitsi server
-while [[ "$FQDN_HOST" != "yes" && "$FQDN_HOST" != "no" && ! -z "$FQDN_HOST" ]]
+while [ "$FQDN_HOST" != "yes" ] && [ "$FQDN_HOST" != "no" ] && [ -n "$FQDN_HOST" ]
 do
-  echo -e "> Set $DOMAIN as a fqdn hostname?: (yes or no)\n" && \
-  read -p "Leave empty to default to your current one ($(hostname -f)): "$'\n' FQDN_HOST
+  printf "> Set %s as a fqdn hostname?: (yes or no)\n" "$DOMAIN" && \
+  read -p "Leave empty to default to your current one ($(hostname -f)):$NL" -r FQDN_HOST
   if [ "$FQDN_HOST" = "yes" ]; then
-    echo "$DOMAIN will be used as fqdn hostname, changes will show on reboot."
+    printf " - %s will be used as fqdn hostname, changes will show on reboot.\n\n" "$DOMAIN"
     hostnamectl set-hostname "${DOMAIN}"
     sed -i "1i ${PUBLIC_IP} ${DOMAIN}" /etc/hosts
   else
-    echo "$(hostname -f) will be keep."
+    printf " - %s will be keep.\n\n" "$(hostname -f)"
   fi
 done
-
-#Sysadmin email
-if [ "$LE_SSL" = "yes" ]; then
-  while [[ -z $SYSADMIN_EMAIL ]]
-  do
-    read -p "Set sysadmin email (this is a mandatory field):"$'\n' -r SYSADMIN_EMAIL
-  done
-fi
+sleep .1
 #Language
 echo "## Setting up Jitsi Meet language ##
 You can define the language, for a complete list of the supported languages
 
 See here:
-https://github.com/jitsi/jitsi-meet/blob/master/lang/languages.json
-
-Jitsi Meet web interface will be set to use such language."
-read -p "Please set your language (Press enter to default to 'en'):"$'\n' -r JB_LANG
-echo -e "\nWe'll take a minute to localize some UI excerpts if you need.\n"
+https://github.com/jitsi/jitsi-meet/blob/master/lang/languages.json"
+printf "Jitsi Meet web interface will be set to use such language.\n\n"
+sleep .1
+read -p "Please set your language (Press enter to default to 'en'):$NL" -r JB_LANG
+sleep .1
+printf "\nWe'll take a minute to localize some UI excerpts if you need.\n\n"
+sleep .1
 #Participant
-echo -e "> Do you want to translate 'Participant' to your own language?" && \
-read -p "Leave empty to use the default one (English): "$'\n' L10N_PARTICIPANT
+printf "> Do you want to translate 'Participant' to your own language?\n"
+sleep .1
+read -p "Leave empty to use the default one (English):$NL" -r L10N_PARTICIPANT
+sleep .1
 #Me
-echo -e "\n> Do you want to translate 'me' to your own language?
+printf "\n> Do you want to translate 'me' to your own language?
 This must be a really small word to present one self.
-Some suggestions might be: yo (Spanish) | je (French) | ich (German)\n" && \
-read -p "Leave empty to use the default one (English): "$'\n' L10N_ME
+Some suggestions might be: yo (Spanish) | je (French) | ich (German)\n"
+sleep .1
+read -p "Leave empty to use the default one (English):$NL" -r L10N_ME
 
 #Drop unsecure TLS
-while [[ "$DROP_TLS1" != "yes" && "$DROP_TLS1" != "no" ]]
+while [ "$DROP_TLS1" != "yes" ] && [ "$DROP_TLS1" != "no" ]
 do
-    read -p "> Do you want to drop support for unsecure protocols TLSv1.0/1.1 now: (yes or no)"$'\n' -r DROP_TLS1
+    read -p "> Do you want to drop support for unsecure protocols TLSv1.0/1.1 now: (yes or no)$NL" -r DROP_TLS1
     if [ "$DROP_TLS1" = "no" ]; then
-        echo "TLSv1.0/1.1 will remain."
+        printf " - TLSv1.0/1.1 will remain.\n\n"
     elif [ "$DROP_TLS1" = "yes" ]; then
-        echo "TLSv1.0/1.1 will be dropped"
+        printf " - TLSv1.0/1.1 will be dropped\n\n"
     fi
 done
-#Dropbox -- no longer requirement for localrecording
-#while [[ $ENABLE_DB != yes && $ENABLE_DB != no ]]
-#do
-#read -p "> Do you want to setup the Dropbox feature now: (yes or no)"$'\n' -r ENABLE_DB
-#if [ $ENABLE_DB = no ]; then
-#    echo "Dropbox won't be enable"
-#elif [ $ENABLE_DB = yes ]; then
-#    read -p "Please set your Dropbox App key: "$'\n' -r DB_CID
-#fi
-#done
+sleep .1
 #Brandless  Mode
-while [[ "$ENABLE_BLESSM" != "yes" && "$ENABLE_BLESSM" != "no" ]]
+while [ "$ENABLE_BLESSM" != "yes" ] && [ "$ENABLE_BLESSM" != "no" ]
 do
-    read -p "> Do you want to install customized \"brandless mode\"?: (yes or no)"$'\n' -r ENABLE_BLESSM
+    read -p "> Do you want to install customized \"brandless mode\"?: (yes or no)$NL" -r ENABLE_BLESSM
     if [ "$ENABLE_BLESSM" = "no" ]; then
-        echo "Brandless mode won't be set."
+        printf " - Brandless mode won't be set.\n\n"
     elif [ "$ENABLE_BLESSM" = "yes" ]; then
-        echo "Brandless mode will be set."
+        printf " - Brandless mode will be set.\n\n"
     fi
 done
+sleep .1
 #Welcome Page
-while [[ "$ENABLE_WELCP" != "yes" && "$ENABLE_WELCP" != "no" ]]
+while [ "$ENABLE_WELCP" != "yes" ] && [ "$ENABLE_WELCP" != "no" ]
 do
-    read -p "> Do you want to disable the Welcome page: (yes or no)"$'\n' -r ENABLE_WELCP
+    read -p "> Do you want to disable the Welcome page: (yes or no)$NL" -r ENABLE_WELCP
     if [ "$ENABLE_WELCP" = "yes" ]; then
-        echo "Welcome page will be disabled."
+        printf " - Welcome page will be disabled.\n\n"
     elif [ "$ENABLE_WELCP" = "no" ]; then
-        echo "Welcome page will be enabled."
+        printf " - Welcome page will be enabled.\n\n"
     fi
 done
+sleep .1
 #Close page
-while [[ "$ENABLE_CLOCP" != "yes" && "$ENABLE_CLOCP" != "no" ]]
+while [ "$ENABLE_CLOCP" != "yes" ] && [ "$ENABLE_CLOCP" != "no" ]
 do
-    read -p "> Do you want to enable the close page on room exit: (yes or no)"$'\n' -r ENABLE_CLOCP
+    read -p "> Do you want to enable the close page on room exit: (yes or no)$NL" -r ENABLE_CLOCP
     if [ "$ENABLE_CLOCP" = "yes" ]; then
-        echo "Close page will be enabled."
+        printf " - Close page will be enabled.\n\n"
     elif [ "$ENABLE_CLOCP" = "no" ]; then
-        echo "Close page will be kept disabled."
+        printf " - Close page will be kept disabled.\n\n"
     fi
 done
-#Enable static avatar
-while [[ "$ENABLE_SA" != "yes" && "$ENABLE_SA" != "no" ]]
-do
-    read -p "> (Legacy) Do you want to enable static avatar?: (yes or no)"$'\n' -r ENABLE_SA
-    if [ "$ENABLE_SA" = "no" ]; then
-        echo "Static avatar won't be enabled"
-    elif [ "$ENABLE_SA" = "yes" ]; then
-        echo "Static avatar will be enabled"
-    fi
-done
-
+sleep .1
 # Set authentication method
-echo "
-> Jitsi Meet Auth Method selection.
-"
+printf "\n> Jitsi Meet Auth Method selection.\n"
 PS3='Select the authentication method for your Jitsi Meet instance: '
 options=("Local" "JWT" "None")
 select opt in "${options[@]}"
 do
     case $opt in
         "Local")
-            echo -e "\n  > Users are created manually using prosodyctl, only moderators can open a room or launch recording.\n"
+            printf "\n  > Users are created manually using prosodyctl, only moderators can open a room or launch recording.\n"
             ENABLE_SC="yes"
             break
             ;;
         "JWT")
-            echo -e "\n  > A external app manage the token usage/creation, like RocketChat does.\n"
+            printf "\n  > A external app manage the token usage/creation, like RocketChat does.\n"
             ENABLE_JWT="yes"
             break
             ;;
         "None")
-            echo -e "\n  > Everyone can access the room as moderators as there is no auth mechanism.\n"
+            printf "\n  > Everyone can access the room as moderators as there is no auth mechanism.\n"
             break
             ;;
         *) echo "Invalid option $REPLY, choose 1, 2 or 3";;
     esac
 done
-
+sleep .1
 # Set jibris default resolution
-echo "
-> What jibri resolution should be the default for this and all the following jibri nodes?
-"
+printf "\n> What jibri resolution should be the default for this and all the following jibri nodes?\n"
 PS3='The more resolution the more resources jibri will require to record properly: '
 jib_res=("HD 720" "FHD 1080")
 select res in "${jib_res[@]}"
 do
     case $res in
         "HD 720")
-            echo -e "\n  > HD (1280x720) is good enough for most cases, and requires a moderate high hw requirements.\n"
+            printf "\n  > HD (1280x720) is good enough for most cases, and requires a moderate high hw requirements.\n\n"
             JIBRI_RES="720"
             break
             ;;
         "FHD 1080")
-            echo -e "\n  > Full HD (1920x1080) is the best resolution available, it also requires high hw requirements.\n"
+            printf "\n  > Full HD (1920x1080) is the best resolution available, it also requires high hw requirements.\n\n"
             JIBRI_RES="1080"
             break
             ;;
-        *) echo "Invalid option «$REPLY», choose 1 or 2";;
+        *) printf "\nInvalid option «%s», choose 1 or 2\n\n" "$REPLY"
+        ;;
     esac
 done
-
+sleep .1
 if [ "$JIBRI_RES" = "720" ]; then
     JIBRI_RES_CONF="\"1280x720\""
     JIBRI_RES_XORG_CONF="1280 720"
@@ -641,57 +616,60 @@ if [ "$JIBRI_RES" = "1080" ]; then
 fi
 
 #Jibri Records Access (JRA) via Nextcloud
-while [[ "$ENABLE_NC_ACCESS" != "yes" && "$ENABLE_NC_ACCESS" != "no" ]]
+while [ "$ENABLE_NC_ACCESS" != "yes" ] && [ "$ENABLE_NC_ACCESS" != "no" ]
 do
     read -p "> Do you want to setup Jibri Records Access via Nextcloud: (yes or no)
-( Please check requirements at: https://github.com/switnet-ltd/quick-jibri-installer )"$'\n' -r ENABLE_NC_ACCESS
+( Please check requirements at: https://github.com/switnet-ltd/quick-jibri-installer )$NL" -r ENABLE_NC_ACCESS
     if [ "$ENABLE_NC_ACCESS" = "no" ]; then
-    	echo -e "-- JRA via Nextcloud won't be enabled.\n"
+        printf " - JRA via Nextcloud won't be enabled.\n\n"
     elif [ "$ENABLE_NC_ACCESS" = "yes" ]; then
-    	echo -e "-- JRA via Nextcloud will be enabled.\n"
+        printf " - JRA via Nextcloud will be enabled.\n\n"
     fi
 done
+sleep .1
 #Jigasi
-if [ "$(curl -s -o /dev/null -w "%{http_code}" $GC_SDK_REL_FILE )" == "404" ]; then
-    echo "> Sorry Google SDK doesn't have support yet for $(lsb_release -sd),
-    thus, Jigasi Transcript can't be enable.
-"
-elif [ "$(curl -s -o /dev/null -w "%{http_code}" $GC_SDK_REL_FILE )" == "200" ]; then
-    while [[ "$ENABLE_TRANSCRIPT" != "yes" && "$ENABLE_TRANSCRIPT" != "no" ]]
+if [ "$(curl -s -o /dev/null -w "%{http_code}" "$GC_SDK_REL_FILE" )" == "404" ]; then
+    printf "> Sorry Google SDK doesn't have support yet for %s,
+    thus, Jigasi Transcript can't be enable.\n\n" "$(lsb_release -sd)"
+elif [ "$(curl -s -o /dev/null -w "%{http_code}" "$GC_SDK_REL_FILE" )" == "200" ]; then
+    while [ "$ENABLE_TRANSCRIPT" != "yes" ] && [ "$ENABLE_TRANSCRIPT" != "no" ]
     do
         read -p "> Do you want to setup Jigasi Transcription: (yes or no)
-( Please check requirements at: https://github.com/switnet-ltd/quick-jibri-installer )"$'\n' -r ENABLE_TRANSCRIPT
+( Please check requirements at: https://github.com/switnet-ltd/quick-jibri-installer )$NL" -r ENABLE_TRANSCRIPT
         if [ "$ENABLE_TRANSCRIPT" = "no" ]; then
-            echo -e "-- Jigasi Transcription won't be enabled.\n"
+            printf " - Jigasi Transcription won't be enabled.\n\n"
         elif [ "$ENABLE_TRANSCRIPT" = "yes" ]; then
-            echo -e "-- Jigasi Transcription will be enabled.\n"
+            printf " - Jigasi Transcription will be enabled.\n\n"
         fi
     done
 else
     echo "No valid option for Jigasi. Please report this to
-https://github.com/switnet-ltd/quick-jibri-installer/issues "
+https://github.com/switnet-ltd/quick-jibri-installer/issues"
 fi
+sleep .1
 #Grafana
-while [[ "$ENABLE_GRAFANA_DSH" != "yes" && "$ENABLE_GRAFANA_DSH" != "no" ]]
+while [ "$ENABLE_GRAFANA_DSH" != "yes" ] && [ "$ENABLE_GRAFANA_DSH" != "no" ]
 do
 read -p "> Do you want to setup Grafana Dashboard: (yes or no)
-( Please check requirements at: https://github.com/switnet-ltd/quick-jibri-installer )"$'\n' -r ENABLE_GRAFANA_DSH
+( Please check requirements at: https://github.com/switnet-ltd/quick-jibri-installer )$NL" -r ENABLE_GRAFANA_DSH
 if [ "$ENABLE_GRAFANA_DSH" = "no" ]; then
-    echo -e "-- Grafana Dashboard won't be enabled.\n"
+    printf " - Grafana Dashboard won't be enabled.\n\n"
 elif [ "$ENABLE_GRAFANA_DSH" = "yes" ]; then
-    echo -e "-- Grafana Dashboard will be enabled. \n"
+    printf " - Grafana Dashboard will be enabled.\n\n"
 fi
 done
+sleep .1
 #Docker Etherpad
-while [[ "$ENABLE_DOCKERPAD" != "yes" && "$ENABLE_DOCKERPAD" != "no" ]]
+while [ "$ENABLE_DOCKERPAD" != "yes" ] && [ "$ENABLE_DOCKERPAD" != "no" ]
 do
-read -p "> Do you want to setup Docker Etherpad: (yes or no)"$'\n' -r ENABLE_DOCKERPAD
+read -p "> Do you want to setup Docker Etherpad: (yes or no)$NL" -r ENABLE_DOCKERPAD
 if [ "$ENABLE_DOCKERPAD" = "no" ]; then
-    echo -e "-- Docker Etherpad won't be enabled.\n"
+    printf " - Docker Etherpad won't be enabled.\n"
 elif [ "$ENABLE_DOCKERPAD" = "yes" ]; then
-    echo -e "-- Docker Etherpad will be enabled.\n"
+    printf " - Docker Etherpad will be enabled.\n"
 fi
 done
+sleep .1
 #Start configuration
 echo '
 ########################################################################
@@ -701,17 +679,16 @@ echo '
 JibriBrewery=JibriBrewery
 INT_CONF="/usr/share/jitsi-meet/interface_config.js"
 INT_CONF_ETC="/etc/jitsi/meet/$DOMAIN-interface_config.js"
-WAN_IP=$(dig +short myip.opendns.com @resolver1.opendns.com)
 
 ssl_wa() {
 if [ "$LE_SSL" = "yes" ]; then
-  systemctl stop $1
-  letsencrypt certonly --standalone --renew-by-default --agree-tos --email $5 -d $6
-  sed -i "s|/etc/jitsi/meet/$3.crt|/etc/letsencrypt/live/$3/fullchain.pem|" $4
-  sed -i "s|/etc/jitsi/meet/$3.key|/etc/letsencrypt/live/$3/privkey.pem|" $4
-  systemctl restart $1
+  systemctl stop "$1"
+  letsencrypt certonly --standalone --renew-by-default --agree-tos --email "$5" -d "$6"
+  sed -i "s|/etc/jitsi/meet/$3.crt|/etc/letsencrypt/live/$3/fullchain.pem|" "$4"
+  sed -i "s|/etc/jitsi/meet/$3.key|/etc/letsencrypt/live/$3/privkey.pem|" "$4"
+  systemctl restart "$1"
   #Add cron
-  if [ $(crontab -l|sed 's|#.*$||g'|grep -c 'weekly certbot renew') = 0 ];then
+  if [ "$(crontab -l|sed 's|#.*$||g'|grep -c 'weekly certbot renew')" = 0 ];then
     crontab -l | { cat; echo "@weekly certbot renew --${2} > $LE_RENEW_LOG 2>&1"; } | crontab -
   else
     echo "Crontab seems to be already in place, skipping."
@@ -732,17 +709,17 @@ if [ "$LE_SSL" = "yes" ]; then
 
     echo "#Set and upgrade certbot PPA if posssible..."
     if [ "$CERTBOT_REPO" = "certbot" ]; then
-        echo -e "\nCertbot repository already on the system!\nChecking for updates...\n"
+        printf "\nCertbot repository already on the system!\nChecking for updates...\n"
         apt-get -q2 update
         apt-get -yq2 dist-upgrade
-    elif [ "$(curl -s -o /dev/null -w "%{http_code}" $CERTBOT_REL_FILE )" == "200" ]; then
-        echo -e "\nAdding cerbot (formerly letsencrypt) PPA repository for latest updates\n"
+    elif [ "$(curl -s -o /dev/null -w "%{http_code}" "$CERTBOT_REL_FILE" )" == "200" ]; then
+        printf "\nAdding cerbot (formerly letsencrypt) PPA repository for latest updates\n"
         echo "deb http://ppa.launchpad.net/certbot/certbot/ubuntu $DIST main" > /etc/apt/sources.list.d/certbot.list
         apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 75BCA694
         apt-get -q2 update
         apt-get -yq2 dist-upgrade
-    elif [ "$(curl -s -o /dev/null -w "%{http_code}" $CERTBOT_REL_FILE )" == "404" ]; then
-        echo -e "\nCertbot PPA is not available for $(lsb_release -sc) just yet, it won't be installed...\n"
+    elif [ "$(curl -s -o /dev/null -w "%{http_code}" "$CERTBOT_REL_FILE" )" == "404" ]; then
+        printf "\nCertbot PPA is not available for %s just yet, it won't be installed...\n" "$(lsb_release -sc)"
     fi
 else
     echo "SSL setup will be skipped."
@@ -773,18 +750,19 @@ sed -i "/shard.HOSTNAME/s|localhost|$DOMAIN|" /etc/jitsi/videobridge/sip-communi
 
 # Configure Jibri
 if [ "$ENABLE_SC" = "yes" ]; then
-  if [ ! -f $MOD_LIST_FILE ]; then
-  echo -e "\n-> Adding external module to list prosody users...\n"
-  curl -s $MOD_LISTU > $MOD_LIST_FILE
+  if [ ! -f "$MOD_LIST_FILE" ]; then
+  printf "\n-> Adding external module to list prosody users...\n"
+  curl -s "$MOD_LISTU" > "$MOD_LIST_FILE"
 
-  echo -e "Now you can check registered users with:\nprosodyctl mod_listusers\n"
+  printf "Now you can check registered users with:\nprosodyctl mod_listusers\n"
     else
-  echo -e "Prosody support for listing users seems to be enabled. \ncheck with: prosodyctl mod_listusers\n"
+  printf "Prosody support for listing users seems to be enabled. \ncheck with: prosodyctl mod_listusers\n"
   fi
 
 fi
+sleep .1
 #Enable jibri recording
-cat  << REC-JIBRI >> $PROSODY_FILE
+cat  << REC-JIBRI >> "$PROSODY_FILE"
 
 VirtualHost "recorder.$DOMAIN"
   modules_enabled = {
@@ -795,29 +773,29 @@ VirtualHost "recorder.$DOMAIN"
 REC-JIBRI
 
 #Enable Jibri withelist
-sed -i "s|-- muc_lobby_whitelist|muc_lobby_whitelist|" $PROSODY_FILE
+sed -i "s|-- muc_lobby_whitelist|muc_lobby_whitelist|" "$PROSODY_FILE"
 
 #Fix Jibri conectivity issues
-sed -i "s|c2s_require_encryption = .*|c2s_require_encryption = false|" $PROSODY_SYS
+sed -i "s|c2s_require_encryption = .*|c2s_require_encryption = false|" "$PROSODY_SYS"
 sed -i "/c2s_require_encryption = false/a \\
 \\
-consider_bosh_secure = true" $PROSODY_SYS
+consider_bosh_secure = true" "$PROSODY_SYS"
 
-if [ ! -z $L10N_PARTICIPANT ]; then
+if [ -n "$L10N_PARTICIPANT" ]; then
     sed -i "s|PART_USER=.*|PART_USER=\"$L10N_PARTICIPANT\"|" jm-bm.sh
 fi
-if [ ! -z $L10N_ME ]; then
+if [ -n "$L10N_ME" ]; then
     sed -i "s|LOCAL_USER=.*|LOCAL_USER=\"$L10N_ME\"|" jm-bm.sh
 fi
 
 
 ### Prosody users
-prosodyctl register jibri auth.$DOMAIN $JB_AUTH_PASS
-prosodyctl register recorder recorder.$DOMAIN $JB_REC_PASS
+prosodyctl register jibri auth."$DOMAIN" "$JB_AUTH_PASS"
+prosodyctl register recorder recorder."$DOMAIN" "$JB_REC_PASS"
 
 ## JICOFO
 # /etc/jitsi/jicofo/sip-communicator.properties
-cat  << BREWERY >> $JICOFO_SIP
+cat  << BREWERY >> "$JICOFO_SIP"
 #org.jitsi.jicofo.auth.URL=XMPP:$DOMAIN
 #org.jitsi.jicofo.auth.URL=EXT_JWT:$DOMAIN
 org.jitsi.jicofo.jibri.BREWERY=$JibriBrewery@internal.auth.$DOMAIN
@@ -826,40 +804,31 @@ org.jitsi.jicofo.jibri.PENDING_TIMEOUT=90
 BREWERY
 
 # Jibri tweaks for /etc/jitsi/meet/$DOMAIN-config.js
-sed -i "s|conference.$DOMAIN|internal.auth.$DOMAIN|" $MEET_CONF
-sed -i "s|// fileRecordingsEnabled: false,|fileRecordingsEnabled: true,| " $MEET_CONF
+sed -i "s|conference.$DOMAIN|internal.auth.$DOMAIN|" "$MEET_CONF"
+sed -i "s|// fileRecordingsEnabled: false,|fileRecordingsEnabled: true,| " "$MEET_CONF"
 sed -i "s|// liveStreamingEnabled: false,|liveStreamingEnabled: true,\\
 \\
-    hiddenDomain: \'recorder.$DOMAIN\',|" $MEET_CONF
-
-#Dropbox feature
-#if [ "$ENABLE_DB" = "yes" ]; then
-#DB_STR=$(grep -n "dropbox:" $MEET_CONF | cut -d ":" -f1)
-#DB_END=$((DB_STR + 10))
-#sed -i "$DB_STR,$DB_END{s|// dropbox: {|dropbox: {|}" $MEET_CONF
-#sed -i "$DB_STR,$DB_END{s|//     appKey: '<APP_KEY>'|appKey: \'$DB_CID\'|}" $MEET_CONF
-#sed -i "$DB_STR,$DB_END{s|// },|},|}" $MEET_CONF
-#fi
+    hiddenDomain: \'recorder.$DOMAIN\',|" "$MEET_CONF"
 
 #Setup main language
-if [ -z $JB_LANG ] || [ "$JB_LANG" = "en" ]; then
+if [ -z "$JB_LANG" ] || [ "$JB_LANG" = "en" ]; then
     echo "Leaving English (en) as default language..."
-    sed -i "s|// defaultLanguage: 'en',|defaultLanguage: 'en',|" $MEET_CONF
+    sed -i "s|// defaultLanguage: 'en',|defaultLanguage: 'en',|" "$MEET_CONF"
 else
     echo "Changing default language to: $JB_LANG"
-    sed -i "s|// defaultLanguage: 'en',|defaultLanguage: \'$JB_LANG\',|" $MEET_CONF
+    sed -i "s|// defaultLanguage: 'en',|defaultLanguage: \'$JB_LANG\',|" "$MEET_CONF"
 fi
 
 # Recording directory
-if [ ! -d $DIR_RECORD ]; then
-    mkdir $DIR_RECORD
+if [ ! -d "$DIR_RECORD" ]; then
+    mkdir "$DIR_RECORD"
 fi
-chown -R jibri:jibri $DIR_RECORD
+chown -R jibri:jibri "$DIR_RECORD"
 
-cat << REC_DIR > $REC_DIR
+cat << REC_DIR > "$REC_DIR"
 #!/bin/bash
 
-RECORDINGS_DIR=$DIR_RECORD
+RECORDINGS_DIR="$DIR_RECORD"
 
 echo "This is a dummy finalize script" > /tmp/finalize.out
 echo "The script was invoked with recordings directory $RECORDINGS_DIR." >> /tmp/finalize.out
@@ -875,12 +844,12 @@ mv \$LJF_PATH \$NJF_PATH
 
 exit 0
 REC_DIR
-chown jibri:jibri $REC_DIR
-chmod +x $REC_DIR
+chown jibri:jibri "$REC_DIR"
+chmod +x "$REC_DIR"
 
 ## New Jibri Config (2020)
-mv $JIBRI_CONF ${JIBRI_CONF}-dpkg-file
-cat << NEW_CONF > $JIBRI_CONF
+mv "$JIBRI_CONF" ${JIBRI_CONF}-dpkg-file
+cat << NEW_CONF > "$JIBRI_CONF"
 // New XMPP environment config.
 jibri {
     streaming {
@@ -927,8 +896,8 @@ jibri {
         default-call-empty-timeout = 30 seconds
     }
     recording {
-         recordings-directory = $DIR_RECORD
-         finalize-script = $REC_DIR
+         recordings-directory = "$DIR_RECORD"
+         finalize-script = "$REC_DIR"
     }
     api {
         xmpp {
@@ -993,14 +962,14 @@ jibri {
 NEW_CONF
 
 #Jibri xorg resolution
-sed -i "s|[[:space:]]Virtual .*|Virtual $JIBRI_RES_XORG_CONF|" $JIBRI_XORG_CONF
+sed -i "s|[[:space:]]Virtual .*|Virtual $JIBRI_RES_XORG_CONF|" "$JIBRI_XORG_CONF"
 
 #Create receiver user
-useradd -m -g jibri $MJS_USER
+useradd -m -g jibri "$MJS_USER"
 echo "$MJS_USER:$MJS_USER_PASS" | chpasswd
 
 #Create ssh key and restrict connections
-sudo su $MJS_USER -c "ssh-keygen -t rsa -f ~/.ssh/id_rsa -b 4096 -o -a 100 -q -N ''"
+sudo su "$MJS_USER" -c "ssh-keygen -t rsa -f ~/.ssh/id_rsa -b 4096 -o -a 100 -q -N ''"
 #Allow password authentication
 sed -i "s|PasswordAuthentication .*|PasswordAuthentication yes|" /etc/ssh/sshd_config
 systemctl restart sshd
@@ -1022,7 +991,7 @@ echo "Last file edition at: $(grep "LETS:" add-jibri-node.sh|head -n1|awk -F'LET
 
 #-- Setting variables for add-jvb2-node.sh
 g_conf_value() {
-  grep "$1" $JVB2_CONF|sed "s|$1||"
+  grep "$1" "$JVB2_CONF"|sed "s|$1||"
 }
 JVB_HOSTNAME=$(g_conf_value JVB_HOSTNAME=)
 JVB_HOST=$(g_conf_value JVB_HOST=)
@@ -1032,7 +1001,7 @@ JVB_OPTS=$(g_conf_value JVB_OPTS=)
 JAVA_SYS_PROPS=$(g_conf_value JAVA_SYS_PROPS=)
 
 g_sip_value() {
-  grep "$1" $JVB2_SIP |cut -d "=" -f2 
+  grep "$1" "$JVB2_SIP" |cut -d "=" -f2
 }
 DISABLE_AWS_HARVESTER=$(g_sip_value DISABLE_AWS_HARVESTER=)
 STUN_MAPPING_HARVESTER_ADDRESSES=$(g_sip_value STUN_MAPPING_HARVESTER_ADDRESSES=)
@@ -1066,70 +1035,70 @@ sed -i "s|MJS_USER_PASS=.*|MJS_USER_PASS=\"$MJS_USER_PASS\"|" add-jvb2-node.sh
 ##--
 
 #Tune webserver for Jitsi App control
-if [ -f $WS_CONF ]; then
-    sed -i "/# ensure all static content can always be found first/i \\\n" $WS_CONF
-    sed -i "/# ensure all static content can always be found first/i \ \ \ \ location = \/external_api.min.js {" $WS_CONF
-    sed -i "/# ensure all static content can always be found first/i \ \ \ \ \ \ \ \ alias \/usr\/share\/jitsi-meet\/libs\/external_api.min.js;" $WS_CONF
-    sed -i "/# ensure all static content can always be found first/i \ \ \ \ }" $WS_CONF
-    sed -i "/# ensure all static content can always be found first/i \\\n" $WS_CONF
+if [ -f "$WS_CONF" ]; then
+    sed -i "/# ensure all static content can always be found first/i \\\n" "$WS_CONF"
+    sed -i "/# ensure all static content can always be found first/i \ \ \ \ location = \/external_api.min.js {" "$WS_CONF"
+    sed -i "/# ensure all static content can always be found first/i \ \ \ \ \ \ \ \ alias \/usr\/share\/jitsi-meet\/libs\/external_api.min.js;" "$WS_CONF"
+    sed -i "/# ensure all static content can always be found first/i \ \ \ \ }" "$WS_CONF"
+    sed -i "/# ensure all static content can always be found first/i \\\n" "$WS_CONF"
     systemctl reload nginx
 else
     echo "No app configuration done to server file, please report to:
     -> https://github.com/switnet-ltd/quick-jibri-installer/issues"
 fi
 #Static avatar
-if [ "$ENABLE_SA" = "yes" ] && [ -f $WS_CONF ]; then
+if [ "$ENABLE_SA" = "yes" ] && [ -f "$WS_CONF" ]; then
     cp images/avatar2.png /usr/share/jitsi-meet/images/
-    sed -i "/location \/external_api.min.js/i \ \ \ \ location \~ \^\/avatar\/\(.\*\)\\\.png {" $WS_CONF
-    sed -i "/location \/external_api.min.js/i \ \ \ \ \ \ \ \ alias /usr/share/jitsi-meet/images/avatar2.png;" $WS_CONF
+    sed -i "/location \/external_api.min.js/i \ \ \ \ location \~ \^\/avatar\/\(.\*\)\\\.png {" "$WS_CONF"
+    sed -i "/location \/external_api.min.js/i \ \ \ \ \ \ \ \ alias /usr/share/jitsi-meet/images/avatar2.png;" "$WS_CONF"
     sed -i "/location \/external_api.min.js/i \ \ \ \ }\\
-\ " $WS_CONF
-    sed -i "/RANDOM_AVATAR_URL_PREFIX/ s|false|\'https://$DOMAIN/avatar/\'|" $INT_CONF
-    sed -i "/RANDOM_AVATAR_URL_SUFFIX/ s|false|\'.png\'|" $INT_CONF
+\ " "$WS_CONF"
+    sed -i "/RANDOM_AVATAR_URL_PREFIX/ s|false|\'https://$DOMAIN/avatar/\'|" "$INT_CONF"
+    sed -i "/RANDOM_AVATAR_URL_SUFFIX/ s|false|\'.png\'|" "$INT_CONF"
 fi
 #nginx -tlsv1/1.1
 if [ "$DROP_TLS1" = "yes" ];then
-    echo -e "\nDropping TLSv1/1.1\n"
+    printf "\nDropping TLSv1/1.1\\nn"
     sed -i "s|TLSv1 TLSv1.1||" /etc/nginx/nginx.conf
 elif [ "$DROP_TLS1" = "no" ];then
-    echo -e "\nNo TLSv1/1.1 dropping was done.\n"
+    printf "\nNo TLSv1/1.1 dropping was done.\n\n"
 else
     echo "No condition meet, please report to
 https://github.com/switnet-ltd/quick-jibri-installer/issues "
 fi
-
+sleep .1
 #================== Setup prosody conf file =================
 
 ###Setup secure rooms
 if [ "$ENABLE_SC" = "yes" ]; then
-    SRP_STR=$(grep -n "VirtualHost \"$DOMAIN\"" $PROSODY_FILE | awk -F ':' 'NR==1{print$1}')
+    SRP_STR=$(grep -n "VirtualHost \"$DOMAIN\"" "$PROSODY_FILE" | awk -F ':' 'NR==1{print$1}')
     SRP_END=$((SRP_STR + 10))
-    sed -i "$SRP_STR,$SRP_END{s|authentication = \"anonymous\"|authentication = \"internal_hashed\"|}" $PROSODY_FILE
-    sed -i "s|// anonymousdomain: 'guest.example.com'|anonymousdomain: \'guest.$DOMAIN\'|" $MEET_CONF
+    sed -i "$SRP_STR,$SRP_END{s|authentication = \"anonymous\"|authentication = \"internal_hashed\"|}" "$PROSODY_FILE"
+    sed -i "s|// anonymousdomain: 'guest.example.com'|anonymousdomain: \'guest.$DOMAIN\'|" "$MEET_CONF"
 
     #Secure room initial user
-    read -p "Set username for secure room moderator: "$'\n' -r SEC_ROOM_USER
-    read -p "Secure room moderator password: "$'\n' -r SEC_ROOM_PASS
-    prosodyctl register $SEC_ROOM_USER $DOMAIN $SEC_ROOM_PASS
-
-    echo -e "\nSecure rooms are being enabled..."
+    read -p "Set username for secure room moderator:$NL" -r SEC_ROOM_USER
+    read -p "Secure room moderator password:$NL" -r SEC_ROOM_PASS
+    prosodyctl register "$SEC_ROOM_USER" "$DOMAIN" "$SEC_ROOM_PASS"
+sleep .1
+    printf "\nSecure rooms are being enabled...\n"
     echo "You'll be able to login Secure Room chat with '${SEC_ROOM_USER}' \
 or '${SEC_ROOM_USER}@${DOMAIN}' using the password you just entered.
 If you have issues with the password refer to your sysadmin."
-    sed -i "s|#org.jitsi.jicofo.auth.URL=XMPP:|org.jitsi.jicofo.auth.URL=XMPP:|" $JICOFO_SIP
+    sed -i "s|#org.jitsi.jicofo.auth.URL=XMPP:|org.jitsi.jicofo.auth.URL=XMPP:|" "$JICOFO_SIP"
     sed -i "s|SEC_ROOM=.*|SEC_ROOM=\"on\"|" jm-bm.sh
 fi
-
+sleep .1
 ###JWT
 if [ "$ENABLE_JWT" = "yes" ]; then
-    echo -e "\nJWT auth is being setup..."
-    bash $PWD/mode/jwt.sh
+    printf "\nJWT auth is being setup...\n"
+    bash "$PWD"/mode/jwt.sh
 fi
-
+sleep .1
 #Guest allow
 #Change back lobby - https://community.jitsi.org/t/64769/136
 if [ "$ENABLE_SC" = "yes" ];then
-    cat << P_SR >> $PROSODY_FILE
+    cat << P_SR >> "$PROSODY_FILE"
 -- #Change back lobby - https://community.jitsi.org/t/64769/136
 VirtualHost "guest.$DOMAIN"
     authentication = "anonymous"
@@ -1147,60 +1116,58 @@ fi
 #======================
 # Custom settings
 #Start with video muted by default
-sed -i "s|// startWithVideoMuted: false,|startWithVideoMuted: true,|" $MEET_CONF
+sed -i "s|// startWithVideoMuted: false,|startWithVideoMuted: true,|" "$MEET_CONF"
 
 #Start with audio muted but admin
-sed -i "s|// startAudioMuted: 10,|startAudioMuted: 1,|" $MEET_CONF
+sed -i "s|// startAudioMuted: 10,|startAudioMuted: 1,|" "$MEET_CONF"
 
 #Disable/enable welcome page
 if [ "$ENABLE_WELCP" = "yes" ]; then
-    sed -i "s|.*enableWelcomePage:.*|    enableWelcomePage: false,|" $MEET_CONF
+    sed -i "s|.*enableWelcomePage:.*|    enableWelcomePage: false,|" "$MEET_CONF"
 elif [ "$ENABLE_WELCP" = "no" ]; then
-    sed -i "s|.*enableWelcomePage:.*|    enableWelcomePage: true,|" $MEET_CONF
+    sed -i "s|.*enableWelcomePage:.*|    enableWelcomePage: true,|" "$MEET_CONF"
 fi
 #Enable close page
 if [ "$ENABLE_CLOCP" = "yes" ]; then
-    sed -i "s|.*enableClosePage:.*|    enableClosePage: true,|" $MEET_CONF
+    sed -i "s|.*enableClosePage:.*|    enableClosePage: true,|" "$MEET_CONF"
 elif [ "$ENABLE_CLOCP" = "no" ]; then
-    sed -i "s|.*enableClosePage:.*|    enableClosePage: false,|" $MEET_CONF
+    sed -i "s|.*enableClosePage:.*|    enableClosePage: false,|" "$MEET_CONF"
 fi
 
 #Add pre-join screen by default, since it improves YouTube autoplay capabilities
 #pre-join screen by itself don't require autorization by moderator, don't confuse with lobby which does.
-sed -i "s|// prejoinPageEnabled:.*|prejoinPageEnabled: true,|" $MEET_CONF
+sed -i "s|// prejoinPageEnabled:.*|prejoinPageEnabled: true,|" "$MEET_CONF"
 
 #Set HD resolution and widescreen format
-sed -i "/Enable \/ disable simulcast support/i \/\/ Start QJI - Set resolution and widescreen format" $MEET_CONF
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ resolution: 720," $MEET_CONF
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ constraints: {" $MEET_CONF
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ aspectRatio: 16 \/ 9," $MEET_CONF
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ video: {" $MEET_CONF
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ height: {" $MEET_CONF
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ideal: 720," $MEET_CONF
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ max: 720," $MEET_CONF
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ min: 180" $MEET_CONF
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ }," $MEET_CONF
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ width: {" $MEET_CONF
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ideal: 1280," $MEET_CONF
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ max: 1280," $MEET_CONF
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ min: 320" $MEET_CONF
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ }" $MEET_CONF
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ }" $MEET_CONF
-sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ }," $MEET_CONF
-sed -i "/Enable \/ disable simulcast support/i \/\/ End QJI" $MEET_CONF
+sed -i "/Enable \/ disable simulcast support/i \/\/ Start QJI - Set resolution and widescreen format" "$MEET_CONF"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ resolution: 720," "$MEET_CONF"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ constraints: {" "$MEET_CONF"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ aspectRatio: 16 \/ 9," "$MEET_CONF"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ video: {" "$MEET_CONF"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ height: {" "$MEET_CONF"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ideal: 720," "$MEET_CONF"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ max: 720," "$MEET_CONF"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ min: 180" "$MEET_CONF"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ }," "$MEET_CONF"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ width: {" "$MEET_CONF"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ideal: 1280," "$MEET_CONF"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ max: 1280," "$MEET_CONF"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ min: 320" "$MEET_CONF"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ \ \ \ \ }" "$MEET_CONF"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ \ \ \ \ }" "$MEET_CONF"
+sed -i "/Enable \/ disable simulcast support/i \ \ \ \ \ }," "$MEET_CONF"
+sed -i "/Enable \/ disable simulcast support/i \/\/ End QJI" "$MEET_CONF"
 
 #Check config file
-echo -e "\n# Checking $MEET_CONF file for errors\n"
-CHECKJS=$(esvalidate $MEET_CONF| cut -d ":" -f2)
-if [[ -z "$CHECKJS" ]]; then
-    echo -e "\n# The $MEET_CONF configuration seems correct. =)\n"
+printf "\n# Checking %s file for errors\n" "$MEET_CONF"
+CHECKJS=$(esvalidate "$MEET_CONF"| cut -d ":" -f2)
+if [ -z "$CHECKJS" ]; then
+    printf "\n# The %s configuration seems correct. =)\n" "$MEET_CONF"
 else
-    echo "
-Watch out!, there seems to be an issue on $MEET_CONF line:
+    echo -e "\nWatch out!, there seems to be an issue on $MEET_CONF line:
 $CHECKJS
 Most of the times this is due upstream changes, please report to
-https://github.com/switnet-ltd/quick-jibri-installer/issues
-"
+https://github.com/switnet-ltd/quick-jibri-installer/issues\n"
 fi
 
 #Enable jibri services
@@ -1214,7 +1181,7 @@ if [ "$DISABLE_LOCAL_JIBRI" = "yes" ]; then
     systemctl disable jibri-xorg
     systemctl disable jibri-icewm
 # Manually apply permissions since finalize_recording.sh won't be triggered under this server options.
-    chmod -R 770 $DIR_RECORD
+    chmod -R 770 "$DIR_RECORD"
 fi
 
 enable_letsencrypt
@@ -1225,7 +1192,7 @@ chmod -R 650 /etc/prosody/certs/
 
 #SSL workaround
 if [ "$(dpkg-query -W -f='${Status}' nginx 2>/dev/null | grep -c "ok installed")" -eq 1 ]; then
-    ssl_wa nginx nginx $DOMAIN $WS_CONF $SYSADMIN_EMAIL $DOMAIN
+    ssl_wa nginx nginx "$DOMAIN" "$WS_CONF" "$SYSADMIN_EMAIL" "$DOMAIN"
     install_ifnot python3-certbot-nginx
 else
     echo "No webserver found please report."
@@ -1234,19 +1201,20 @@ fi
 if [ "$ENABLE_BLESSM" = "yes" ]; then
     echo "Custom brandless mode will be enabled."
     sed -i "s|ENABLE_BLESSM=.*|ENABLE_BLESSM=\"on\"|" jitsi-updater.sh
-    bash $PWD/jm-bm.sh
+    bash "$PWD"/jm-bm.sh
 fi
+
 # Applying best practives for interface config.js
-echo -e "\n> Setting up custom interface_config.js according to best practices."
+printf "\n> Setting up custom interface_config.js according to best practices."
 cp "$INT_CONF" "$INT_CONF_ETC"
 
 #Tune webserver for interface_config.js
-if [ -f $WS_CONF ]; then
-    sed -i "/external_api.js/i \\\n" $WS_CONF
-    sed -i "/external_api.js/i \ \ \ \ location = \/interface_config.js {" $WS_CONF
-    sed -i "/external_api.js/i \ \ \ \ \ \ \ \ alias \/etc\/jitsi\/meet\/$DOMAIN-interface_config.js;" $WS_CONF
-    sed -i "/external_api.js/i \ \ \ \ }" $WS_CONF
-    sed -i "/external_api.js/i \\\n" $WS_CONF
+if [ -f "$WS_CONF" ]; then
+    sed -i "/external_api.js/i \\\n" "$WS_CONF"
+    sed -i "/external_api.js/i \ \ \ \ location = \/interface_config.js {" "$WS_CONF"
+    sed -i "/external_api.js/i \ \ \ \ \ \ \ \ alias \/etc\/jitsi\/meet\/$DOMAIN-interface_config.js;" "$WS_CONF"
+    sed -i "/external_api.js/i \ \ \ \ }" "$WS_CONF"
+    sed -i "/external_api.js/i \\\n" "$WS_CONF"
     systemctl reload nginx
 else
     echo "No interface_config.js configuration done to server file, please report to:
@@ -1254,43 +1222,35 @@ else
 fi
 #JRA via Nextcloud
 if [ "$ENABLE_NC_ACCESS" = "yes" ]; then
-    echo -n "\nJRA via Nextcloud will be enabled."
+    printf "\nJRA via Nextcloud will be enabled."
     if [ "$MODE" = "debug" ]; then
-        bash $PWD/jra_nextcloud.sh -m debug
+        bash "$PWD"/jra_nextcloud.sh -m debug
     else
-        bash $PWD/jra_nextcloud.sh
+        bash "$PWD"/jra_nextcloud.sh
     fi
 fi
-}  > >(tee -a qj-installer.log) 2> >(tee -a qj-installer.log >&2)
-#Jigasi Transcript
-if [ "$ENABLE_TRANSCRIPT" = "yes" ]; then
-    echo -e "\nJigasi Transcription will be enabled."
-    # ToDo: Analyze behavior on debug
-    #if [ "$MODE" = "debug" ]; then
-    #    bash $PWD/jigasi.sh -m debug
-    #else
-    bash $PWD/jigasi.sh
-    #fi
-fi
-{
+sleep .1
+
 #Grafana Dashboard
 if [ "$ENABLE_GRAFANA_DSH" = "yes" ]; then
-    echo -e "\nGrafana Dashboard will be enabled."
+    printf "\nGrafana Dashboard will be enabled."
     if [ "$MODE" = "debug" ]; then
-        bash $PWD/grafana.sh -m debug
+        bash "$PWD"/grafana.sh -m debug
     else
-        bash $PWD/grafana.sh
+        bash "$PWD"/grafana.sh
     fi
 fi
+sleep .1
 #Docker Etherpad
 if [ "$ENABLE_DOCKERPAD" = "yes" ]; then
-    echo -e "\nDocker Etherpad will be enabled."
+    printf "\nDocker Etherpad will be enabled."
     if [ "$MODE" = "debug" ]; then
-        bash $PWD/etherpad-docker.sh -m debug
+        bash "$PWD"/etherpad-docker.sh -m debug
     else
-        bash $PWD/etherpad-docker.sh
+        bash "$PWD"/etherpad-docker.sh
     fi
 fi
+sleep .1
 #Prevent JMS conecction issue
 if [ -z "$(awk "/127.0.0.1/&&/$DOMAIN/{print\$1}" /etc/hosts)" ];then
     sed -i "/127.0.0.1/a \\
diff --git a/tools/aws-grub-setup.sh b/tools/aws-grub-setup.sh
index 409bb4a..f485fdb 100644
--- a/tools/aws-grub-setup.sh
+++ b/tools/aws-grub-setup.sh
@@ -3,12 +3,20 @@
 # SwITNet Ltd © - 2022, https://switnet.net/
 # GPLv3 or later.
 
-####
-# NOTE: Only use this script if you know what you are doing.
-# Under your own risk.
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY.
-####
+while getopts m: option
+do
+	case "${option}"
+	in
+		m) MODE=${OPTARG};;
+		\?) echo "Usage: sudo bash ./$0 [-m debug]" && exit;;
+	esac
+done
+
+#DEBUG
+if [ "$MODE" = "debug" ]; then
+set -x
+fi
+
 wait_seconds() {
 secs=$(($1))
 while [ $secs -gt 0 ]; do
@@ -18,8 +26,15 @@ while [ $secs -gt 0 ]; do
 done
 }
 
+echo "####
+# WARNING: Only use this script if you know what you are doing.
+# Under your own risk.
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY.
+####"
+
 # Check if user is root
-if [ $UID != 0 ]; then
+if [ "$UID" != 0 ]; then
     echo You need to run this script as root or sudo rights!
     exit 1
 fi
@@ -30,36 +45,36 @@ GRUB_FILE="/etc/default/grub"
 
 echo -e "# Check and update HWE kernel if possible...\n"
 apt-get -q2 update
-HWE_VIR_MOD=$(apt-cache madison linux-image-generic-hwe-$(lsb_release -sr) 2>/dev/null|head -n1|grep -c "hwe-$(lsb_release -sr)")
+HWE_VIR_MOD="$(apt-cache madison linux-image-generic-hwe-"$(lsb_release -sr)" 2>/dev/null|head -n1|grep -c hwe-"$(lsb_release -sr)")"
 if [ "$HWE_VIR_MOD" = "1" ]; then
     apt-get -y install \
-    linux-image-generic-hwe-$(lsb_release -sr) \
-    linux-tools-generic-hwe-$(lsb_release -sr)
+    linux-image-generic-hwe-"$(lsb_release -sr)" \
+    linux-tools-generic-hwe-"$(lsb_release -sr)"
 else
     apt-get -y install \
     linux-image-generic \
-    linux-modules-extra-$(uname -r)
+    linux-modules-extra-"$(uname -r)"
 fi
 apt-get -y autoremove
 apt-get autoclean
 
 #Write update-grub output
-update-grub > $KERNEL_LOG 2>&1
+update-grub > "$KERNEL_LOG" 2>&1
 
 #Get clean output
-cat $KERNEL_LOG | awk -F'boot/' '{print$2}'|sed '/^[[:space:]]*$/d' | \
-tee ${KERNEL_LOG}.tmp
-mv ${KERNEL_LOG}.tmp $KERNEL_LOG
+awk -F'boot/' '{print$2}' < "$KERNEL_LOG"|sed '/^[[:space:]]*$/d' | \
+tee "$KERNEL_LOG".tmp
+mv "$KERNEL_LOG".tmp "$KERNEL_LOG"
 
 echo -e "Check if AWS kernel is installed.\n"
-[ $(grep -wc aws $KERNEL_LOG) = 0 ] && echo "No AWS kernel found, exiting..." && exit
+[ "$(grep -wc aws "$KERNEL_LOG")" = 0 ] && echo "No AWS kernel found, exiting..." && exit
 
 #Get kernel number
-RAW_KERNEL_NUM="$(grep -Fn generic $KERNEL_LOG|head -n1|cut -d ':' -f1)"
+RAW_KERNEL_NUM="$(grep -Fn generic "$KERNEL_LOG"|head -n1|cut -d ':' -f1)"
 FIXED_KERNEL_NUM="$(awk "BEGIN{ print $RAW_KERNEL_NUM - 1 }")"
 
 echo -e "Set up GRUB for custom kernel.\n"
-sed -i "s|GRUB_DEFAULT=.*|GRUB_DEFAULT=\"1\>$FIXED_KERNEL_NUM\"|" $GRUB_FILE
+sed -i "s|GRUB_DEFAULT=.*|GRUB_DEFAULT=\"1\>$FIXED_KERNEL_NUM\"|" "$GRUB_FILE"
 
 echo -e "Saving changes...\n"
 update-grub
diff --git a/tools/fail2ban_ssh.sh b/tools/fail2ban_ssh.sh
index 84257a0..6e03f03 100644
--- a/tools/fail2ban_ssh.sh
+++ b/tools/fail2ban_ssh.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 # Simple Fail2ban configuration
-# SwITNet Ltd © - 2021, https://switnet.net/
+# SwITNet Ltd © - 2022, https://switnet.net/
 # GNU GPLv3 or later.
 
 while getopts m: option
@@ -8,7 +8,7 @@ do
 	case "${option}"
 	in
 		m) MODE=${OPTARG};;
-		\?) echo "Usage: sudo ./fail2ban_ssh.sh [-m debug]" && exit;;
+		\?) echo "Usage: sudo bash ./$0 [-m debug]" && exit;;
 	esac
 done
 
@@ -18,7 +18,7 @@ set -x
 fi
 
 #Check if user is root
-if ! [ $(id -u) = 0 ]; then
+if ! [ "$(id -u)" = 0 ]; then
    echo "You need to be root or have sudo privileges!"
    exit 0
 fi
@@ -27,8 +27,8 @@ apt-get -y install fail2ban
 
 if \
 [ -f /var/log/ssh_f2b.log ] && \
-[ $(grep -c 604800 /etc/fail2ban/jail.local) = "1" ] && \
-[ $(grep -c ssh_f2b.log /etc/fail2ban/jail.local) = "1"]; then
+[ "$(grep -c 604800 /etc/fail2ban/jail.local)" = "1" ] && \
+[ "$(grep -c ssh_f2b.log /etc/fail2ban/jail.local)" = "1" ]; then
     echo -e "\nFail2ban seems to be already configured.\n"
 else
     echo -e "\nConfiguring Fail2ban...\n"
diff --git a/tools/jibri-conf-upgrade.sh b/tools/jibri-conf-upgrade.sh
index 177f676..efebb74 100644
--- a/tools/jibri-conf-upgrade.sh
+++ b/tools/jibri-conf-upgrade.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 # Simple Jibri conf updater
-# SwITNet Ltd © - 2021, https://switnet.net/
+# SwITNet Ltd © - 2022, https://switnet.net/
 # GNU GPLv3 or later.
 
 while getopts m: option
@@ -8,7 +8,7 @@ do
 	case "${option}"
 	in
 		m) MODE=${OPTARG};;
-		\?) echo "Usage: sudo ./test-jibri-env.sh [-m debug]" && exit;;
+		\?) echo "Usage: sudo bash ./$0 [-m debug]" && exit;;
 	esac
 done
 
@@ -25,7 +25,7 @@ echo -e '
 \n'
 
 #Check if user is root
-if ! [ $(id -u) = 0 ]; then
+if ! [ "$(id -u)" = 0 ]; then
    echo "You need to be root or have sudo privileges!"
    exit 0
 fi
@@ -46,19 +46,19 @@ else
 fi
 
 if [ -d /etc/prosody/ ];then
-DOMAIN=$(ls /etc/prosody/conf.d/ | grep -v localhost | awk -F'.cfg' '{print $1}' | awk '!NF || !seen[$0]++')
+DOMAIN="$(find /etc/prosody/conf.d/ -name \*.lua|awk -F'.cfg' '!/localhost/{print $1}'|xargs basename)"
 fi
 CONF_JSON="/etc/jitsi/jibri/config.json"
 JIBRI_CONF="/etc/jitsi/jibri/jibri.conf"
-DIR_RECORD=/var/jbrecord
-REC_DIR=/home/jibri/finalize_recording.sh
-JibriBrewery=JibriBrewery
+DIR_RECORD="/var/jbrecord"
+REC_DIR="/home/jibri/finalize_recording.sh"
+JibriBrewery="JibriBrewery"
 
 check_read_vars() {
     echo "Checking $1"
     if [ -z "$2" ];then
-    echo "This variable seems wrong, please check before continue"
-    exit 1
+        echo "This variable seems wrong, please check before continue"
+        exit 1
     fi
 }
 restart_services_jibri() {
@@ -73,44 +73,44 @@ fi
 }
 
 #Prevent re-run on completed jibri upgraded instance
-if [ -f $CONF_JSON_disabled ] && \
-   [ -f $JIBRI_CONF ] && \
-   [ -f $JIBRI_CONF-dpkg-file ]; then
+if [ -f "$CONF_JSON"_disabled ] && \
+   [ -f "$JIBRI_CONF" ] && \
+   [ -f "$JIBRI_CONF"-dpkg-file ]; then
     echo -e "\n> This jibri config has been upgraded already, we'll exit...\n\nIf you think there maybe an error on checking you current jibri configuration.\nPlease report this to \
 https://github.com/switnet-ltd/quick-jibri-installer/issues\n"
     exit
-elif [ ! -f $CONF_JSON ] && \
-   [ -f $JIBRI_CONF ] && \
-   [ -f $JIBRI_CONF-dpkg-file ]; then
+elif [ ! -f "$CONF_JSON" ] && \
+   [ -f "$JIBRI_CONF" ] && \
+   [ -f "$JIBRI_CONF"-dpkg-file ]; then
     echo -e "\n> This jibri seems to be running the latest configuration already, we'll exit...\n\nIf you think there maybe an error on checking you current jibri configuration.\nPlease report this to \
 https://github.com/switnet-ltd/quick-jibri-installer/issues\n"
     exit
-elif [ -f $CONF_JSON ] && \
-   [ -f $JIBRI_CONF ]; then
+elif [ -f "$CONF_JSON" ] && \
+   [ -f "$JIBRI_CONF" ]; then
     echo -e "\n> This jibri config seems to be candidate for upgrading, we'll continue...\nIf you think there maybe an error on checking you current jibri configuration.\nPlease report this to \
 https://github.com/switnet-ltd/quick-jibri-installer/issues\n"
 fi
 
 #Read missing variables
-if [ -f $CONF_JSON ]; then
+if [ -f "$CONF_JSON" ]; then
     echo "Reading current config.json file..."
-    if [ -z $DOMAIN ]; then
-        DOMAIN=$(jq .xmpp_environments[0].xmpp_domain $CONF_JSON|cut -d '"' -f2)
+    if [ -z "$DOMAIN" ]; then
+        DOMAIN="$(jq .xmpp_environments[0].xmpp_domain $CONF_JSON|cut -d '"' -f2)"
     fi
-    JB_NAME=$(jq .xmpp_environments[0].name $CONF_JSON|cut -d '"' -f2)
-    JB_AUTH_PASS=$(jq .xmpp_environments[0].control_login.password $CONF_JSON|cut -d '"' -f2)
-    JB_REC_PASS=$(jq .xmpp_environments[0].call_login.password $CONF_JSON|cut -d '"' -f2)
-    JB_NICKN=$(jq .xmpp_environments[0].control_muc.nickname $CONF_JSON|cut -d '"' -f2)
+    JB_NAME="$(jq .xmpp_environments[0].name $CONF_JSON|cut -d '"' -f2)"
+    JB_AUTH_PASS="$(jq .xmpp_environments[0].control_login.password $CONF_JSON|cut -d '"' -f2)"
+    JB_REC_PASS="$(jq .xmpp_environments[0].call_login.password $CONF_JSON|cut -d '"' -f2)"
+    JB_NICKN="$(jq .xmpp_environments[0].control_muc.nickname $CONF_JSON|cut -d '"' -f2)"
 else
     echo "Can't find the instance config.json file, exiting..."
     exit
 fi
 
-check_read_vars "Jibri Name" $JB_NAME
-check_read_vars "(Main server) Domain" $DOMAIN
-check_read_vars "Control login passwd" $JB_AUTH_PASS
-check_read_vars "Call login passwd" $JB_REC_PASS
-check_read_vars "Jibri Node nickname" $JB_NICKN
+check_read_vars "Jibri Name" "$JB_NAME"
+check_read_vars "(Main server) Domain" "$DOMAIN"
+check_read_vars "Control login passwd" "$JB_AUTH_PASS"
+check_read_vars "Call login passwd" "$JB_REC_PASS"
+check_read_vars "Jibri Node nickname" "$JB_NICKN"
 
 if [ "$MODE" = "debug" ]; then
 echo "$JB_NAME"
@@ -122,10 +122,10 @@ fi
 
 #Backup and setup new conf file
 echo -e "Backing up config.json for historical purposes at:\n ${CONF_JSON}_disabled"
-mv $CONF_JSON ${CONF_JSON}_disabled
+mv "$CONF_JSON" "${CONF_JSON}"_disabled
 
-mv $JIBRI_CONF ${JIBRI_CONF}-dpkg-file
-cat << NEW_CONF > $JIBRI_CONF
+mv "$JIBRI_CONF" "${JIBRI_CONF}"-dpkg-file
+cat << NEW_CONF > "$JIBRI_CONF"
 // New XMPP environment config.
 jibri {
     recording {
@@ -195,13 +195,13 @@ jibri {
 NEW_CONF
 
 echo "Check final jibri.conf file:"
-cat $JIBRI_CONF
-read -n 1 -s -r -p "Press any key to continue..."$'\n'
+cat "$JIBRI_CONF"
+read -n 1 -s -r -p "Press any key to continue..."
 
 restart_services_jibri
 systemctl status jibri
 
 if [ -f /var/log/jitsi/jicofo.log ]; then
-echo -e "Checking for jicofo recognizing \"Live\" jibri node..."
-tail -n 10 | grep Live
+    echo -e "Checking for jicofo recognizing \"Live\" jibri node..."
+    tail -n 10 | grep Live
 fi
diff --git a/tools/jibri-resolution-enhancer.sh b/tools/jibri-resolution-enhancer.sh
index c18e879..4503ecb 100644
--- a/tools/jibri-resolution-enhancer.sh
+++ b/tools/jibri-resolution-enhancer.sh
@@ -1,24 +1,24 @@
 #!/bin/bash
 # Simple Jibri resolution enhancer
-# SwITNet Ltd © - 2021, https://switnet.net/
+# SwITNet Ltd © - 2022, https://switnet.net/
 # GNU GPLv3 or later.
 
 while getopts m: option
 do
-    case "${option}"
-    in
-        m) MODE=${OPTARG};;
-        \?) echo "Usage: sudo ./jibri-resolution-enhancer.sh [-m debug]" && exit;;
-    esac
+	case "${option}"
+	in
+		m) MODE=${OPTARG};;
+		\?) echo "Usage: sudo bash ./$0 [-m debug]" && exit;;
+	esac
 done
 
 #DEBUG
 if [ "$MODE" = "debug" ]; then
-  set -x
+set -x
 fi
 
 #Check if user is root
-if ! [ $(id -u) = 0 ]; then
+if ! [ "$(id -u)" = 0 ]; then
    echo "You need to be root or have sudo privileges!"
    exit 0
 fi
@@ -46,15 +46,15 @@ if [ -f "$JIBRI_OPT/jibri-res_enh.jar" ] && \
 fi
 
 mkdir /tmp/jibri
-cd /tmp/jibri
+cd /tmp/jibri || exit
 
 #Get md5sum for current jibri installed.
-apt-get download jibri=$INSTALLED_JIBRI_VERSION
+apt-get download jibri="$INSTALLED_JIBRI_VERSION"
 ar x jibri_*.deb
 tar xvf data.tar.xz
 UPSTREAM_DEB_JAR_SUM="$(md5sum 2>/dev/null /tmp/jibri/opt/jitsi/jibri/jibri.jar |awk '{print$1}')"
 
-if [ -z $UPSTREAM_DEB_JAR_SUM ]; then
+if [ -z "$UPSTREAM_DEB_JAR_SUM" ]; then
   echo "Not possible to continue, exiting..."
   exit
 fi
@@ -63,11 +63,11 @@ fi
 apt-get -y install devscripts \
                    git \
                    maven \
-                   openjdk-8-jdk
+                   openjdk-11-jdk
 
 #Build repository
-git clone https://github.com/jitsi/jibri $JIBRI_ENH_PATH
-cd $JIBRI_ENH_PATH
+git clone https://github.com/jitsi/jibri "$JIBRI_ENH_PATH"
+cd "$JIBRI_ENH_PATH" || exit
 
 # Default values
 ## videoEncodePreset - "veryfast" || h264ConstantRateFactor - 25
@@ -77,18 +77,18 @@ sed -i "/videoEncodePreset/s|String =.*|String = \"medium\",|"  src/main/kotlin/
 sed -i "/h264ConstantRateFactor/s|Int =.*|Int = 17,|"  src/main/kotlin/org/jitsi/jibri/capture/ffmpeg/FfmpegCapturer.kt
 mvn package
 
-JIBRI_JAR="$(ls -Sh $JIBRI_ENH_PATH/target|awk '/dependencies/&&/.jar/{print}'|awk 'NR==1{print}')"
-cp $JIBRI_ENH_PATH/target/$JIBRI_JAR $JIBRI_ENH_PATH/target/jibri.jar
+JIBRI_JAR="$(find "$JIBRI_ENH_PATH" -name \*.jar|awk '/dependencies/{print}'|awk 'NR==1{print}')"
+cp "$JIBRI_ENH_PATH"/target/"$JIBRI_JAR" "$JIBRI_ENH_PATH"/target/jibri.jar
 
 # Backing up default binaries
 if [ "$UPSTREAM_DEB_JAR_SUM" = "$(md5sum 2>/dev/null $JIBRI_OPT/jibri.jar|awk '{print$1}')" ]; then
-  cp $JIBRI_OPT/jibri.jar $JIBRI_OPT/jibri-dpkg-package.jar
+  cp "$JIBRI_OPT"/jibri.jar "$JIBRI_OPT"/jibri-dpkg-package.jar
 fi
 
 # Migrate original to enhanced jibri
-cp $JIBRI_ENH_PATH/target/jibri.jar $JIBRI_OPT/jibri-res_enh.jar
-if [ -f $JIBRI_OPT/jibri-dpkg-package.jar ];then
- cp $JIBRI_OPT/jibri-res_enh.jar $JIBRI_OPT/jibri.jar
+cp "$JIBRI_ENH_PATH"/target/jibri.jar "$JIBRI_OPT"/jibri-res_enh.jar
+if [ -f "$JIBRI_OPT"/jibri-dpkg-package.jar ];then
+ cp "$JIBRI_OPT"/jibri-res_enh.jar "$JIBRI_OPT"/jibri.jar
 fi
 
 JIBRI_RES_ENH_HASH="$(md5sum 2>/dev/null $JIBRI_OPT/jibri-res_enh.jar|awk '{print$1}')"
@@ -99,12 +99,12 @@ if [ "$JIBRI_RES_ENH_HASH" = "$USED_JIBRI_HASH" ]; then
 else 
   echo "Something went wrong, restoring default package..."
   if [ "$(md5sum 2>/dev/null $JIBRI_OPT/jibri-dpkg-package.jar|awk '{print$1}')" = "$UPSTREAM_DEB_JAR_SUM" ]; then
-    cp $JIBRI_OPT/jibri-dpkg-package.jar $JIBRI_OPT/jibri.jar
+    cp "$JIBRI_OPT"/jibri-dpkg-package.jar "$JIBRI_OPT"/jibri.jar
     CLEAN="true"
   else
     if [ -f /tmp/jibri/opt/jitsi/jibri/jibri.jar ]; then
       echo "Restoring from upstream package..."
-      cp /tmp/jibri/opt/jitsi/jibri/jibri.jar $JIBRI_OPT/jibri.jar
+      cp /tmp/jibri/opt/jitsi/jibri/jibri.jar "$JIBRI_OPT"/jibri.jar
       CLEAN="true"
     else
       echo "Wow, someone took the time to avoid restoration, please manually review your changes."
@@ -115,7 +115,7 @@ else
 fi
 if [ "$CLEAN" = "true" ]; then
   rm -r /tmp/jibri
-  rm -r $JIBRI_ENH_PATH
+  rm -r "$JIBRI_ENH_PATH"
   rm /opt/jitsi/jibri/jibri-res_enh.jar
 fi
 
diff --git a/tools/start-over.sh b/tools/start-over.sh
index 4db729f..256bb54 100644
--- a/tools/start-over.sh
+++ b/tools/start-over.sh
@@ -1,24 +1,24 @@
 #!/bin/bash
 #Start over
-# SwITNet Ltd © - 2021, https://switnet.net/
+# SwITNet Ltd © - 2022, https://switnet.net/
 # GPLv3 or later.
 
 while getopts m: option
 do
-    case "${option}"
-    in
-        m) MODE=${OPTARG};;
-        \?) echo "Usage: sudo ./start-over.sh [-m debug]" && exit;;
-    esac
+	case "${option}"
+	in
+		m) MODE=${OPTARG};;
+		\?) echo "Usage: sudo bash ./$0 [-m debug]" && exit;;
+	esac
 done
 
 #DEBUG
 if [ "$MODE" = "debug" ]; then
-  set -x
+set -x
 fi
 
 #Check if user is root
-if ! [ $(id -u) = 0 ]; then
+if ! [ "$(id -u)" = 0 ]; then
    echo "You need to be root or have sudo privileges!"
    exit 0
 fi
@@ -32,16 +32,16 @@ while [ $secs -gt 0 ]; do
 done
 }
 remove_residuals() {
-  if [ -d $1 ]; then
-    rm -r $1
+  if [ -d "$1" ]; then
+    rm -r "$1"
   fi
 }
 purge_debconf() {
-  echo PURGE | debconf-communicate $1
+  echo PURGE | debconf-communicate "$1"
 }
 remove_services() {
-  systemctl disable $1
-  systemctl stop $1
+  systemctl disable "$1"
+  systemctl stop "$1"
 }
 echo -e '
 ########################################################################
@@ -50,8 +50,8 @@ echo -e '
                     by Software, IT & Networks Ltd
 \n'
 
-SYNC_USER="$(ls /home|awk '/jbsync/{print}')"
-DOMAIN="$(ls /etc/prosody/conf.d/ | awk -F'.cfg' '!/localhost/{print $1}' | awk '!NF || !seen[$0]++')"
+SYNC_USER="$(find /home -maxdepth 1 -type d |awk '/jbsync/{print}')"
+DOMAIN="$(find /etc/prosody/conf.d/ -name \*.lua|awk -F'.cfg' '!/localhost/{print $1}'|xargs basename)"
 
 echo "We are about to remove and clean all the jitsi-meet platform bits and pieces...
 Please make sure you have backed up anything you don't want to loose."
@@ -118,7 +118,7 @@ remove_residuals /usr/share/jitsi-*
 #Clean /etc/hosts
 sed -i "/$DOMAIN/d" /etc/hosts
 
-#Purging debconf db
+echo "#Purging debconf db"
 purge_debconf jicofo
 purge_debconf jigasi
 purge_debconf jitsi-meet
@@ -128,8 +128,8 @@ purge_debconf jitsi-meet-web-config
 purge_debconf jitsi-videobridge2
 
 #Remove unused users & groups
-if [ ! -z $SYNC_USER ]; then
-  deluser --remove-home $SYNC_USER
+if [ -n "$SYNC_USER" ]; then
+  deluser --remove-home "$SYNC_USER"
 fi
 if [ -d /home/jibri ]; then
   deluser --remove-home  jibri
diff --git a/tools/test-jibri-env.sh b/tools/test-jibri-env.sh
index ae87a22..9feffee 100644
--- a/tools/test-jibri-env.sh
+++ b/tools/test-jibri-env.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 # Simple Jibri Env tester
-# SwITNet Ltd © - 2021, https://switnet.net/
+# SwITNet Ltd © - 2022, https://switnet.net/
 # GNU GPLv3 or later.
 
 while getopts m: option
@@ -8,7 +8,7 @@ do
 	case "${option}"
 	in
 		m) MODE=${OPTARG};;
-		\?) echo "Usage: sudo ./test-jibri-env.sh [-m debug]" && exit;;
+		\?) echo "Usage: sudo bash ./$0 [-m debug]" && exit;;
 	esac
 done
 
@@ -25,7 +25,7 @@ echo -e '
 \n'
 
 #Check if user is root
-if ! [ $(id -u) = 0 ]; then
+if ! [ "$(id -u)" = 0 ]; then
    echo "You need to be root or have sudo privileges!"
    exit 0
 fi
@@ -39,30 +39,30 @@ check_google_binaries() {
 if [ -z "$2" ]; then
   echo "Warning: No $1 doesn't seem installed"
 else
-  echo $2
+  echo "$2"
 fi
 }
 
 # True if $1 is greater than $2
 version_gt() { test "$(printf '%s\n' "$@" | sort -V | head -n 1)" != "$1"; }
 
-JITSI_REPO=$(apt-cache policy | grep http | grep jitsi | grep stable | awk '{print $3}' | head -n 1 | cut -d "/" -f1)
+JITSI_REPO="$(apt-cache policy | grep http | grep jitsi | grep stable | awk '{print $3}' | head -n 1 | cut -d "/" -f1)"
 SND_AL_MODULE=$(lsmod | awk '{print$1}'| grep snd_aloop)
-HWE_VIR_MOD=$(apt-cache madison linux-image-generic-hwe-$(lsb_release -sr) 2>/dev/null|head -n1|grep -c "hwe-$(lsb_release -sr)")
+HWE_VIR_MOD="$(apt-cache madison linux-image-generic-hwe-"$(lsb_release -sr)" 2>/dev/null|head -n1|grep -c hwe-"$(lsb_release -sr)")"
 CONF_JSON="/etc/jitsi/jibri/config.json"
 JIBRI_CONF="/etc/jitsi/jibri/jibri.conf"
-JMS_DOMAIN="$(awk -F '"' '/xmpp-domain/{print$2}' $JIBRI_CONF)"
+JMS_DOMAIN="$(awk -F '"' '/xmpp-domain/{print$2}' "$JIBRI_CONF")"
 CHDB="$(whereis chromedriver | awk '{print$2}')"
 CHD_VER_LOCAL="$($CHDB --version 2>/dev/null| awk '{print$1,$2}')"
 GOOGL_VER_LOCAL="$(/usr/bin/google-chrome --version 2>/dev/null)"
-CHD_VER_2D="$(echo $CHD_VER_LOCAL|awk '{print$2}'|cut -d "." -f 1,2)"
-GOOGL_VER_2D="$(echo $GOOGL_VER_LOCAL|awk '{print$3}'|cut -d "." -f 1,2)"
+CHD_VER_2D="$(echo "$CHD_VER_LOCAL"|awk '{print$2}'|cut -d "." -f 1,2)"
+GOOGL_VER_2D="$(echo "$GOOGL_VER_LOCAL"|awk '{print$3}'|cut -d "." -f 1,2)"
 CHD_LTST="$(curl -sL https://chromedriver.storage.googleapis.com/LATEST_RELEASE)"
-CHD_LTST_2D="$(echo $CHD_LTST|cut -d "." -f 1,2)"
+CHD_LTST_2D="$(echo "$CHD_LTST"|cut -d "." -f 1,2)"
 
 #T1
 echo -e "\n#1 -- Check repository --\n"
-if [ -z $JITSI_REPO ]; then
+if [ -z "$JITSI_REPO" ]; then
     echo "No repository detected, wait whaaaat?..."
     while [[ "$CONT_TEST" != "yes" && "$CONT_TEST" != "no" ]]
     do
@@ -103,7 +103,7 @@ echo -e "\n#3 -- Check Google Chrome/driver software.  --\n"
 check_google_binaries "Google Chrome" "$GOOGL_VER_LOCAL"
 check_google_binaries "Chromedriver" "$CHD_VER_LOCAL"
 
-if [ ! -z "$CHD_VER_LOCAL" ] && [ ! -z "$GOOGL_VER_LOCAL" ]; then
+if [ -n "$CHD_VER_LOCAL" ] && [ -n "$GOOGL_VER_LOCAL" ]; then
 # Chrome upgrade process
   if [ "$(apt-show-versions google-chrome-stable | grep -c "uptodate")" = "1" ]; then
     echo -e "Google Chrome is already up to date: \xE2\x9C\x94"
@@ -112,17 +112,17 @@ if [ ! -z "$CHD_VER_LOCAL" ] && [ ! -z "$GOOGL_VER_LOCAL" ]; then
     apt-get -yq install --only-upgrade google-chrome-stable
   fi
 # Only upgrade chromedriver if it's on a lower version, not just a different one.
-  if [ $CHD_VER_2D = $GOOGL_VER_2D ]; then
+  if [ "$CHD_VER_2D" = "$GOOGL_VER_2D" ]; then
       echo -e "\nChromedriver version seems according to Google Chrome: \xE2\x9C\x94"
       T3=1
       elif version_gt "$GOOGL_VER_2D" "$CHD_VER_2D" && \
       [ "$GOOGL_VER_2D" = "$CHD_LTST_2D" ]; then
           echo -e "\nAttempting  Chromedriver update!"
-          wget -q https://chromedriver.storage.googleapis.com/$CHD_LTST/chromedriver_linux64.zip \
+          wget -q https://chromedriver.storage.googleapis.com/"$CHD_LTST"/chromedriver_linux64.zip \
                -O /tmp/chromedriver_linux64.zip
           unzip -o /tmp/chromedriver_linux64.zip -d /usr/local/bin/
-          chown root:root $CHDB
-          chmod 0755 $CHDB
+          chown root:root "$CHDB"
+          chmod 0755 "$CHDB"
           rm -rf /tpm/chromedriver_linux64.zip
           if [ "$($CHDB -v | awk '{print $2}'|cut -d "." -f 1,2)" = "$GOOGL_VER_2D" ]; then
               echo "Successful update"
@@ -140,24 +140,24 @@ fi
 
 #T4
 echo -e "\n#4 -- Test kernel modules --\n"
-if [ -z $SND_AL_MODULE ]; then
+if [ -z "$SND_AL_MODULE" ]; then
 #First make sure the recommended kernel is installed.
   if [ "$HWE_VIR_MOD" = "1" ]; then
       apt-get -y install \
-      linux-image-generic-hwe-$(lsb_release -sr)
+      linux-image-generic-hwe-"$(lsb_release -sr)"
       else
       apt-get -y install \
       linux-image-generic \
-      linux-modules-extra-$(uname -r)
+      linux-modules-extra-"$(uname -r)"
   fi
     echo -e "\nNo module snd_aloop detected. \xE2\x9C\x96 <== IMPORTANT! \nCurrent kernel: $(uname -r)\n"
     echo -e "\nIf you just installed a new kernel, \
 please try rebooting.\nFor now wait 'til the end of the recommended kernel installation."
   echo "# Check and Install HWE kernel if possible..."
   if uname -r | grep -q aws;then
-  KNL_HWE="$(apt-cache madison linux-image-generic-hwe-$(lsb_release -sr)|awk 'NR==1{print$3}'|cut -d "." -f1-4)"
-  KNL_MENU="$(awk -F\' '/menuentry / {print $2}' /boot/grub/grub.cfg|awk '!/recovery/&&/generic/{print$3,$4}'|grep $KNL_HWE)"
-      if [ ! -z "$KNL_MENU" ];then
+  KNL_HWE="$(apt-cache madison linux-image-generic-hwe-"$(lsb_release -sr)"|awk 'NR==1{print$3}'|cut -d "." -f1-4)"
+  KNL_MENU="$(awk -F\' '/menuentry / {print $2}' /boot/grub/grub.cfg|awk '!/recovery/&&/generic/{print$3,$4}'|grep "$KNL_HWE")"
+      if [ -n "$KNL_MENU" ];then
       echo -e "\nSeems you are using an AWS kernel \xE2\x9C\x96 <== IMPORTANT! \nYou might consider modify your grub (/etc/default/grub) to use the following:" && \
       echo -e "\n > $KNL_MENU"
       fi
@@ -172,8 +172,8 @@ fi
 echo -e "\n#5 -- Test .asoundrc file --\n"
 ASRC_MASTER="https://raw.githubusercontent.com/jitsi/jibri/master/resources/debian-package/etc/jitsi/jibri/asoundrc"
 ASRC_INSTALLED="/home/jibri/.asoundrc"
-ASRC_MASTER_MD5SUM=$(curl -sL $ASRC_MASTER | md5sum | cut -d ' ' -f 1)
-ASRC_INSTALLED_MD5SUM=$(md5sum $ASRC_INSTALLED | cut -d ' ' -f 1)
+ASRC_MASTER_MD5SUM="$(curl -sL "$ASRC_MASTER" | md5sum | cut -d ' ' -f 1)"
+ASRC_INSTALLED_MD5SUM="$(md5sum "$ASRC_INSTALLED" | cut -d ' ' -f 1)"
 
 if [ "$ASRC_MASTER_MD5SUM" == "$ASRC_INSTALLED_MD5SUM" ]; then
     echo -e "Seems to be using the latest asoundrc file available. \xE2\x9C\x94"
@@ -187,20 +187,20 @@ fi
 echo -e "\n#6 -- Old or new config --\n"
 
 echo -e "What config version is this using?"
-if [ -f ${CONF_JSON}_disabled ] && \
-   [ -f $JIBRI_CONF ] && \
-   [ -f $JIBRI_CONF-dpkg-file ]; then
+if [ -f "${CONF_JSON}"_disabled ] && \
+   [ -f "$JIBRI_CONF" ] && \
+   [ -f "$JIBRI_CONF"-dpkg-file ]; then
     echo -e "\n> This jibri config has been upgraded already. \xE2\x9C\x94 \n\nIf you think there maybe an error on checking you current jibri configuration.\nPlease report this to \
 https://github.com/switnet-ltd/quick-jibri-installer/issues\n"
 T6=1
-elif [ ! -f $CONF_JSON ] && \
-     [ -f $JIBRI_CONF ] && \
-     [ -f ${JIBRI_CONF}-dpkg-file ]; then
+elif [ ! -f "$CONF_JSON" ] && \
+     [ -f "$JIBRI_CONF" ] && \
+     [ -f "${JIBRI_CONF}"-dpkg-file ]; then
     echo -e "\n> This jibri seems to be running the latest configuration already. \xE2\x9C\x94 \n\nIf you think there maybe an error on checking you current jibri configuration.\nPlease report this to \
 https://github.com/switnet-ltd/quick-jibri-installer/issues\n"
 T6=1
-elif [ -f ${CONF_JSON} ] && \
-     [ -f $JIBRI_CONF ]; then
+elif [ -f "${CONF_JSON}" ] && \
+     [ -f "$JIBRI_CONF" ]; then
     echo -e "\n> This jibri config seems to be candidate for upgrading. \xE2\x9C\x96 \nIf you think there maybe an error on checking you current jibri configuration.\nPlease report this to \
 https://github.com/switnet-ltd/quick-jibri-installer/issues\n"
 T6=0
@@ -220,8 +220,7 @@ fi
 
 #T7
 echo -e "\n#7 -- Check for open communication port among Jibri and JMS --\n"
-nc -z -v -w5 $JMS_DOMAIN 5222
-if [ "$?" -ne 0 ]; then
+if ! nc -z -v -w5 "$JMS_DOMAIN" 5222 ; then
   echo -e "Connection failed! \xE2\x9C\x96\n > You might want to check both Jibri & JMS firewall rules (TCP 5222)."
   T7=0
 else