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https://github.com/community-scripts/ProxmoxVE
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Update Kernel-Clean to new Version & Bugfixing (#1147)
* Update Kernel-Clean to new Version & Bugfixing * Update kernel-clean.sh
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CanbiZ
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@ -1,7 +1,6 @@
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#!/usr/bin/env bash
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# Copyright (c) 2021-2024 tteck
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# Author: tteck (tteckster)
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# Copyright (c) 2021-2025 community-scripts ORG
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# Author: MickLesk
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# License: MIT
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# https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
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@ -17,104 +16,65 @@ function header_info {
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EOF
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}
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# Color variables for output
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YW=$(echo "\033[33m")
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RD=$(echo "\033[01;31m")
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GN=$(echo "\033[1;92m")
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CL=$(echo "\033[m")
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BFR="\\r\\033[K"
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HOLD="-"
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CM="${GN}✓${CL}"
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# Functions for logging messages
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function msg_info() {
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local msg="$1"
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echo -ne " ${HOLD} ${YW}${msg}..."
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}
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function msg_ok() {
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local msg="$1"
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echo -e "${BFR} ${CM} ${GN}${msg}${CL}"
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}
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# Color variables
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YW="\033[33m"
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GN="\033[1;92m"
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RD="\033[01;31m"
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CL="\033[m"
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# Detect current kernel
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current_kernel=$(uname -r)
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# Detect all installed kernels except the current one
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available_kernels=$(dpkg --list | grep 'kernel-.*-pve' | awk '{print $2}' | grep -v "$current_kernel" | sort -V)
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header_info
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# If no old kernels are available, exit with a message
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if [ -z "$available_kernels" ]; then
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whiptail --backtitle "Proxmox VE Helper Scripts" --title "No Old Kernels" \
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--msgbox "It appears there are no old kernels on your system.\nCurrent kernel: $current_kernel" 10 68
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echo "Exiting..."
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sleep 2
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clear
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exit
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echo -e "${GN}No old kernels detected. Current kernel: ${current_kernel}${CL}"
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exit 0
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fi
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# Prepare kernel options for selection
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KERNEL_MENU=()
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while read -r TAG ITEM; do
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OFFSET=2
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MSG_MAX_LENGTH=$((MSG_MAX_LENGTH < ${#ITEM} + OFFSET ? ${#ITEM} + OFFSET : MSG_MAX_LENGTH))
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KERNEL_MENU+=("$TAG" "$ITEM " "OFF")
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done < <(echo "$available_kernels")
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echo -e "${YW}Available kernels for removal:${CL}"
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echo "$available_kernels" | nl -w 2 -s '. '
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# Display checklist to select kernels for removal
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remove_kernels=$(whiptail --backtitle "Proxmox VE Helper Scripts" \
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--title "Current Kernel: $current_kernel" \
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--checklist "\nSelect kernels to remove:\n" \
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16 $((MSG_MAX_LENGTH + 58)) 6 "${KERNEL_MENU[@]}" 3>&1 1>&2 2>&3 | tr -d '"') || exit
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echo -e "\n${YW}Select kernels to remove (comma-separated, e.g., 1,2):${CL}"
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read -r selected
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# Exit if no kernel was selected
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[ -z "$remove_kernels" ] && {
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whiptail --backtitle "Proxmox VE Helper Scripts" --title "No Kernel Selected" \
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--msgbox "It appears no kernel was selected." 10 68
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echo "Exiting..."
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sleep 2
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clear
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exit
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}
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# Parse selection
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IFS=',' read -r -a selected_indices <<< "$selected"
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kernels_to_remove=()
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# Confirm removal
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whiptail --backtitle "Proxmox VE Helper Scripts" --title "Remove Kernels" \
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--yesno "Would you like to remove the $(echo $remove_kernels | awk '{print NF}') selected kernels?" 10 68 || exit
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# Process kernel removal
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msg_info "Removing ${RD}$(echo $remove_kernels | awk '{print NF}') ${YW}old kernels${CL}"
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for kernel in $remove_kernels; do
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if [[ $kernel == *"-signed" ]]; then
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# Handle signed kernels with dependencies
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touch /please-remove-proxmox-ve # Temporarily bypass Proxmox warnings
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if sudo apt-get purge -y "$kernel" >/dev/null 2>&1; then
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msg_ok "Removed kernel: $kernel"
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else
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msg_info "Failed to remove kernel: $kernel. Check dependencies or manual removal."
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for index in "${selected_indices[@]}"; do
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kernel=$(echo "$available_kernels" | sed -n "${index}p")
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if [ -n "$kernel" ]; then
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kernels_to_remove+=("$kernel")
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fi
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rm -f /please-remove-proxmox-ve # Clean up bypass file
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else
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# Standard kernel removal
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if sudo apt-get purge -y "$kernel" >/dev/null 2>&1; then
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msg_ok "Removed kernel: $kernel"
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else
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msg_info "Failed to remove kernel: $kernel. Check dependencies or manual removal."
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fi
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fi
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sleep 1
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done
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# Update GRUB configuration
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msg_info "Updating GRUB"
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if /usr/sbin/update-grub >/dev/null 2>&1; then
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msg_ok "GRUB updated successfully"
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else
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msg_info "Failed to update GRUB"
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if [ ${#kernels_to_remove[@]} -eq 0 ]; then
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echo -e "${RD}No valid selection made. Exiting.${CL}"
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exit 1
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fi
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# Completion message
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msg_info "Exiting"
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sleep 2
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msg_ok "Finished"
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# Confirm removal
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echo -e "${YW}Kernels to be removed:${CL}"
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printf "%s\n" "${kernels_to_remove[@]}"
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read -rp "Proceed with removal? (y/n): " confirm
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if [[ "$confirm" != "y" ]]; then
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echo -e "${RD}Aborted.${CL}"
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exit 1
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fi
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# Remove kernels
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for kernel in "${kernels_to_remove[@]}"; do
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echo -e "${YW}Removing $kernel...${CL}"
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if apt-get purge -y "$kernel" >/dev/null 2>&1; then
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echo -e "${GN}Successfully removed: $kernel${CL}"
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else
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echo -e "${RD}Failed to remove: $kernel. Check dependencies.${CL}"
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fi
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done
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# Clean up and update GRUB
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echo -e "${YW}Cleaning up...${CL}"
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apt-get autoremove -y >/dev/null 2>&1 && update-grub >/dev/null 2>&1
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echo -e "${GN}Cleanup and GRUB update complete.${CL}"
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