Improve comments.

This commit is contained in:
Luis Guzmán 2022-04-07 03:01:08 -05:00
parent 3acc41dc7f
commit 6c071098d5
1 changed files with 4 additions and 3 deletions

View File

@ -28,7 +28,7 @@ TMP_DIR="$(mktemp -d)"
KERNEL_LOG="$TMP_DIR/kernel_log"
GRUB_FILE="/etc/default/grub"
echo "# Check and update HWE kernel if possible..."
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-$(lsb_release -sr)")
if [ "$HWE_VIR_MOD" = "1" ]; then
@ -51,16 +51,17 @@ cat $KERNEL_LOG | awk -F'boot/' '{print$2}'|sed '/^[[:space:]]*$/d' | \
tee ${KERNEL_LOG}.tmp
mv ${KERNEL_LOG}.tmp $KERNEL_LOG
echo "Check if AWS kernel is installed."
echo -e "Check if AWS kernel is installed.\n"
[ $(grep -wc aws $KERNEL_LOG) = 0 ] && echo "No AWS kernel found, exiting..." && exit
#Get kernel number
RAW_KERNEL_NUM="$(grep -Fn generic $KERNEL_LOG|head -n1|cut -d ':' -f1)"
FIXED_KERNEL_NUM="$(awk "BEGIN{ print $RAW_KERNEL_NUM - 1 }")"
#Set up grub kernel number.
echo -e "Set up GRUB for custom kernel.\n"
sed -i "s|GRUB_DEFAULT=.*|GRUB_DEFAULT=\"1\>$FIXED_KERNEL_NUM\"|" $GRUB_FILE
echo -e "Saving changes...\n"
update-grub
echo "Time to reboot..."