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#!/usr/bin/env bash
# Copyright (c) 2021-2023 tteck
# Author: tteck (tteckster)
# License: MIT
# https://github.com/tteck/Proxmox/raw/main/LICENSE
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function header_info {
cat <<"EOF"
__ __ __ ________
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/ //_/__ _________ ___ / / / ____/ /__ ____ _____
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/ ,< / _ \/ ___/ __ \/ _ \/ / / / / / _ \/ __ ` / __ \
/ /| / __/ / / / / / __/ / / /___/ / __/ /_/ / / / /
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/_/ | _\_ __/_/ /_/ /_/\_ __/_/ \_ ___/_/\_ __/\_ _,_/_/ /_/
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EOF
}
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set -euo pipefail
shopt -s inherit_errexit nullglob
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YW = $( echo "\033[33m" )
BL = $( echo "\033[36m" )
RD = $( echo "\033[01;31m" )
BGN = $( echo "\033[4;92m" )
GN = $( echo "\033[1;92m" )
DGN = $( echo "\033[32m" )
CL = $( echo "\033[m" )
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BFR = "\\r\\033[K"
HOLD = "-"
CM = " ${ GN } ✓ ${ CL } "
CROSS = " ${ RD } ✗ ${ CL } "
PARTY = "🎉"
current_kernel = $( uname -r)
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clear
header_info
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while true; do
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read -p "This will Clean Unused Kernel Images, USE AT YOUR OWN RISK. Proceed(y/n)?" yn
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case $yn in
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[ Yy] *) break ; ;
[ Nn] *) exit ; ;
*) echo -e " ${ RD } Please answer y/n ${ CL } " ; ;
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esac
done
clear
function msg_info( ) {
local msg = " $1 "
echo -ne " ${ HOLD } ${ YW } ${ msg } ... "
}
function msg_ok( ) {
local msg = " $1 "
echo -e " ${ BFR } ${ CM } ${ GN } ${ msg } ${ CL } "
}
function check_root( ) {
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if [ [ $EUID -ne 0 ] ] ; then
echo -e " ${ CROSS } ${ RD } Error: This script must be ran as the root user.\n ${ CL } "
exit 1
else
header_info
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other_kernel
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kernel_info
kernel_clean
fi
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}
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function other_kernel( ) {
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if [ [ " $current_kernel " = = *"edge" * ] ] ; then
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echo -e " \n ${ CROSS } ${ RD } ERROR: ${ CL } Proxmox ${ BL } ${ current_kernel } ${ CL } Kernel Active "
echo -e "\nAn Active PVE Kernel is required to use Kernel Clean\n"
exit 1
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fi
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if [ [ " $current_kernel " = = *"6.1" * || " $current_kernel " = = *"6.2" * ] ] ; then
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echo -e " \n ${ CROSS } ${ RD } ERROR: ${ CL } Proxmox ${ BL } ${ current_kernel } ${ CL } Kernel Active "
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echo -e "\nThe script cannot be used when running opt-in kernels. \nProxmox VE's package management relies directly on the current default kernel, which is 5.15. \nTherefore, it is not possible to utilize this script. In this case, you should use autoremove instead. \n`apt-get autoremove`\n"
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exit 1
fi
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}
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function kernel_info( ) {
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if [ [ " $MODE " != "PBS" ] ] ; then
echo -e " ${ YW } PVE Version: ${ BL } $( pveversion) \n ${ CL } "
fi
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if [ [ " $current_kernel " = = *"pve" * ] ] ; then
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echo -e " ${ YW } Current Kernel: ${ BL } $current_kernel \n ${ CL } "
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else
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echo -e " \n ${ CROSS } ${ RD } ERROR: No PVE Kernel Found\n ${ CL } "
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exit 1
fi
}
function kernel_clean( ) {
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kernels = $( dpkg --list | grep 'kernel-.*-pve' | awk '{print $2}' | sort -V)
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remove_kernels = ""
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for kernel in $kernels ; do
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if [ " $( echo $kernel | grep $current_kernel ) " ] ; then
break
else
echo -e " ${ BL } ' $kernel ' ${ CL } ${ YW } has been added to the remove Kernel list\n ${ CL } "
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remove_kernels += " $kernel "
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fi
done
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msg_ok "Kernel Search Completed\n"
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if [ [ " $remove_kernels " != *"pve" * ] ] ; then
echo -e " ${ PARTY } ${ GN } It appears there are no old Kernels on your system. \n ${ CL } "
msg_info "Exiting"
sleep 2
msg_ok "Done"
else
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read -p " Would you like to remove the $( echo $remove_kernels | awk '{print NF}' ) selected Kernels listed above? [y/n]: " -n 1 -r
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echo
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if [ [ $REPLY = ~ ^[ Yy] $ ] ] ; then
msg_info " Removing ${ CL } ${ RD } $( echo $remove_kernels | awk '{print NF}' ) ${ CL } ${ YW } old Kernels ${ CL } "
/usr/bin/apt purge -y $remove_kernels >/dev/null 2>& 1
msg_ok "Successfully Removed Kernels"
msg_info "Updating GRUB"
/usr/sbin/update-grub >/dev/null 2>& 1
msg_ok "Successfully Updated GRUB"
msg_info "Exiting"
sleep 2
msg_ok "Done"
else
msg_info "Exiting"
sleep 2
msg_ok "Done"
fi
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fi
}
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if ! command -v pveversion >/dev/null 2>& 1; then
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echo -e " Switching to PBS mode"
MODE = "PBS"
sleep 2
else
MODE = "PVE"
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fi
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check_root