Proxmox/misc/kernel-clean.sh

94 lines
3.3 KiB
Bash

#!/bin/bash
YW=`echo "\033[33m"`
BL=`echo "\033[36m"`
RD=`echo "\033[01;31m"`
CM='\xE2\x9C\x94\033'
GN=`echo "\033[1;92m"`
CL=`echo "\033[m"`
while true; do
read -p "This will Clean unused Kernel images. Proceed(y/n)?" yn
case $yn in
[Yy]* ) break;;
[Nn]* ) exit;;
* ) echo "Please answer yes or no.";;
esac
done
clear
current_kernel=$(uname -r)
function check_root {
if [[ $EUID -ne 0 ]]; then
printf "[!] Error: this script must be ran as the root user.\n"
exit 1
fi
}
function header_info {
echo -e "${RD}
_ __ _ _____ _
| |/ / | | / ____| |
| / ___ _ __ _ __ ___| | | | | | ___ __ _ _ __
| < / _ \ __| _ \ / _ \ | | | | |/ _ \/ _ | _ \
| \ __/ | | | | | __/ | | |____| | __/ (_| | | | |
|_|\_\___|_| |_| |_|\___|_| \_____|_|\___|\__,_|_| |_|
${CL}"
}
function kernel_info {
latest_kernel=$(dpkg --list| grep 'pve-kernel-.*-pve' | awk '{print $2}' | tac | head -n 1)
printf "OS: $(cat /etc/os-release | grep "PRETTY_NAME" | sed 's/PRETTY_NAME=//g' | sed 's/["]//g' | awk '{print $0}')\n"
printf "Current Kernel: pve-kernel-$current_kernel\n"
if [[ "$current_kernel" == *"pve"* ]]; then
if [[ "$latest_kernel" != *"$current_kernel"* ]]; then
printf "Latest Kernel: $latest_kernel\n"
fi
else
printf "___________________________________________\n\n"
printf "[!] Warning, you're not running a PVE Kernel\n"
exit 1
fi
}
function kernel_clean {
kernels=$(dpkg --list| grep 'pve-kernel-.*-pve' | awk '{print $2}' | sort -V)
kernels_to_remove=""
for kernel in $kernels
do
if [ "$(echo $kernel | grep $current_kernel)" ]; then
break
else
printf "\"$kernel\" has been added to the Kernel remove list\n"
kernels_to_remove+=" $kernel"
fi
done
printf "Kernel Search Complete!\n"
if [[ "$kernels_to_remove" != *"pve"* ]]; then
printf "It appears there are no old Kernels on your system \n"
else
read -p "[!] Would you like to remove the $(echo $kernels_to_remove | awk '{print NF}') selected Kernels listed above? [y/N]: " -n 1 -r
printf "\n"
fi
if [[ $REPLY =~ ^[Yy]$ ]]; then
printf "Removing $(echo $kernels_to_remove | awk '{print NF}') old Kernels..."
/usr/bin/apt purge -y $kernels_to_remove > /dev/null 2>&1
printf "Finished!\n"
printf "Updating GRUB..."
/usr/sbin/update-grub > /dev/null 2>&1
printf "Finished!\n"
else
printf "\nExiting...\n"
fi
}
function main {
check_root
header_info
kernel_info
}
while true; do
case "$1" in
* )
main
kernel_clean
exit 1
;;
esac
shift
done