Create kernelclean.sh

misc/kernelclean.sh

@@ -0,0 +1,86 @@
+#!/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"`
+# Current kernel
+current_kernel=$(uname -r)
+function check_root {
+        if [[ $EUID -ne 0 ]]; then
+                printf "[!] Error: this script must be ran as the root user.\n" 
+                exit 1
+        fi
+}
+clear
+function header_info {
+echo -e "${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