Proxmox/misc/kernel-clean.sh
2022-04-15 07:43:04 -04:00

97 lines
3.1 KiB
Bash

#!/bin/bash
RED=$(tput setaf 1)
GREEN=$(tput setaf 2)
YELLOW=$(tput setaf 3)
BLUE=$(tput setaf 4)
WHITE=$(tput setaf 7)
NORMAL=$(tput sgr0)
while true; do
read -p "${YELLOW}This will Clean unused Kernel images. Proceed(y/n)?${NORMAL}" yn
case $yn in
[Yy]* ) break;;
[Nn]* ) exit;;
* ) echo -e "${RED}Please answer y/n${NORMAL}";;
esac
done
clear
current_kernel=$(uname -r)
pve=$(pveversion)
function check_root {
if [[ $EUID -ne 0 ]]; then
echo -e "${RED}Error: This script must be ran as the root user.\n${NORMAL}"
exit 1
fi
}
function header_info {
echo -e "${RED}
_ __ _ _____ _
| |/ / | | / ____| |
| / ___ _ __ _ __ ___| | | | | | ___ __ _ _ __
| < / _ \ __| _ \ / _ \ | | | | |/ _ \/ _ | _ \
| \ __/ | | | | | __/ | | |____| | __/ (_| | | | |
|_|\_\___|_| |_| |_|\___|_| \_____|_|\___|\__,_|_| |_|
${NORMAL}"
}
function kernel_info() {
latest_kernel=$(dpkg --list| grep 'kernel-.*-pve' | awk '{print $2}' | tac | head -n 1)
echo -e "${YELLOW}OS: ${GREEN}$(cat /etc/os-release | grep "PRETTY_NAME" | sed 's/PRETTY_NAME=//g' | sed 's/["]//g' | awk '{print $0}')\r${NORMAL}"
echo -e "${YELLOW}PVE Version: ${GREEN}$pve\n${NORMAL}"
if [[ "$current_kernel" == *"pve"* ]]; then
if [[ "$latest_kernel" != *"$current_kernel"* ]]; then
echo -e "${GREEN}Latest Kernel: $latest_kernel\n${NORMAL}"
fi
else
echo -e "\n${RED}ERROR: No PVE Kernel found\n${NORMAL}"
exit 1
fi
}
function kernel_clean() {
kernels=$(dpkg --list| grep 'kernel-.*-pve' | awk '{print $2}' | sort -V)
kernels_to_remove=""
for kernel in $kernels
do
if [ "$(echo $kernel | grep $current_kernel)" ]; then
break
else
echo -e "${RED}'$kernel' ${NORMAL}${YELLOW}has been added to the Kernel remove list\n${NORMAL}"
kernels_to_remove+=" $kernel"
fi
done
echo -e "${YELLOW}Kernel Search Complete!\n${NORMAL}"
if [[ "$kernels_to_remove" != *"pve"* ]]; then
echo -e "${GREEN}It appears there are no old Kernels on your system \n${NORMAL}"
else
read -p "${YELLOW}Would you like to remove the${RED} $(echo $kernels_to_remove | awk '{print NF}') ${NORMAL}${YELLOW}selected Kernels listed above? [y/n]: ${NORMAL}" -n 1 -r
fi
if [[ $REPLY =~ ^[Yy]$ ]]; then
echo -e "${YELLOW}\nRemoving ${NORMAL}${RED}$(echo $kernels_to_remove | awk '{print NF}') ${NORMAL}${YELLOW}old Kernels...${NORMAL}"
/usr/bin/apt purge -y $kernels_to_remove > /dev/null 2>&1
echo -e "${YELLOW}Finished!\n${NORMAL}"
echo -e "${YELLOW}Updating GRUB... \n${NORMAL}"
/usr/sbin/update-grub > /dev/null 2>&1
echo -e "${YELLOW}Finished!\n${NORMAL}"
else
echo -e "${YELLOW}Exiting...\n${NORMAL}"
sleep 1
fi
}
function main() {
check_root
header_info
kernel_info
}
while true; do
case "$1" in
* )
main
kernel_clean
exit 1
;;
esac
shift
done