Create kernel-clean.sh

2025-03-19 13:26:20 +01:00 · 2025-03-19 13:26:20 +01:00 · 1e7ea4f72c
commit 1e7ea4f72c
parent f486196cdd
1 changed files with 100 additions and 0 deletions
--- a/scripts/tools/kernel-clean.sh
+++ b/scripts/tools/kernel-clean.sh
@ -0,0 +1,100 @@
+#!/usr/bin/env bash
+# Copyright (c) 2021-2025 community-scripts ORG
+# Author: MickLesk
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+
+function header_info {
+    clear
+    cat <<"EOF"
+    __ __                     __   ________
+   / //_/__  _________  ___  / /  / ____/ /__  ____ _____
+  / ,< / _ \/ ___/ __ \/ _ \/ /  / /   / / _ \/ __ `/ __ \
+ / /| /  __/ /  / / / /  __/ /  / /___/ /  __/ /_/ / / / /
+/_/ |_\___/_/  /_/ /_/\___/_/   \____/_/\___/\__,_/_/ /_/
+
+EOF
+}
+
+# Color variables
+YW="\033[33m"
+GN="\033[1;92m"
+RD="\033[01;31m"
+CL="\033[m"
+
+header_info
+
+# Check /boot/efi disk space
+boot_efi_usage=$(df -h /boot/efi | awk 'NR==2 {print $5}' | sed 's/%//')
+threshold=90 # Set threshold for disk usage percentage
+
+if [ "$boot_efi_usage" -ge "$threshold" ]; then
+    echo -e "${RD}/boot/efi is ${boot_efi_usage}% full. Kernel cleanup may be required.${CL}"
+    echo -e "${YW}Available kernels in /boot/efi:${CL}"
+    ls -lh /boot/efi | awk '{print $9}'
+    echo -e "\n${YW}Would you like to clean up old kernels? (y/n):${CL}"
+    read -r clean_up
+    if [[ "$clean_up" == "y" ]]; then
+        echo -e "${YW}Running cleanup...${CL}"
+        apt-get autoremove -y >/dev/null 2>&1 && update-grub >/dev/null 2>&1
+        echo -e "${GN}Cleanup completed.${CL}"
+    else
+        echo -e "${RD}Cleanup skipped.${CL}"
+    fi
+else
+    echo -e "${GN}/boot/efi has sufficient space (${boot_efi_usage}%). No cleanup needed.${CL}"
+fi
+
+# Detect current kernel
+current_kernel=$(uname -r)
+available_kernels=$(dpkg --list | grep 'kernel-.*-pve' | awk '{print $2}' | grep -v "$current_kernel" | sort -V)
+
+if [ -z "$available_kernels" ]; then
+    echo -e "${GN}No old kernels detected. Current kernel: ${current_kernel}${CL}"
+    exit 0
+fi
+
+echo -e "${YW}Available kernels for removal:${CL}"
+echo "$available_kernels" | nl -w 2 -s '. '
+
+echo -e "\n${YW}Select kernels to remove (comma-separated, e.g., 1,2):${CL}"
+read -r selected
+
+# Parse selection
+IFS=',' read -r -a selected_indices <<<"$selected"
+kernels_to_remove=()
+
+for index in "${selected_indices[@]}"; do
+    kernel=$(echo "$available_kernels" | sed -n "${index}p")
+    if [ -n "$kernel" ]; then
+        kernels_to_remove+=("$kernel")
+    fi
+done
+
+if [ ${#kernels_to_remove[@]} -eq 0 ]; then
+    echo -e "${RD}No valid selection made. Exiting.${CL}"
+    exit 1
+fi
+
+# Confirm removal
+echo -e "${YW}Kernels to be removed:${CL}"
+printf "%s\n" "${kernels_to_remove[@]}"
+read -rp "Proceed with removal? (y/n): " confirm
+if [[ "$confirm" != "y" ]]; then
+    echo -e "${RD}Aborted.${CL}"
+    exit 1
+fi
+
+# Remove kernels
+for kernel in "${kernels_to_remove[@]}"; do
+    echo -e "${YW}Removing $kernel...${CL}"
+    if apt-get purge -y "$kernel" >/dev/null 2>&1; then
+        echo -e "${GN}Successfully removed: $kernel${CL}"
+    else
+        echo -e "${RD}Failed to remove: $kernel. Check dependencies.${CL}"
+    fi
+done
+
+# Clean up and update GRUB
+echo -e "${YW}Cleaning up...${CL}"
+apt-get autoremove -y >/dev/null 2>&1 && update-grub >/dev/null 2>&1
+echo -e "${GN}Cleanup and GRUB update complete.${CL}"