Update CHANGELOG.md (#15430)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

CHANGELOG.md

@@ -486,6 +486,12 @@ Exercise vigilance regarding copycat or coat-tailing sites that seek to exploit
 
 </details>
 
+## 2026-06-27
+
+### ❔ Uncategorized
+
+  - fix(endurain): replace Poetry/uv-pip backend setup with uv sync --frozen --no-dev [@Copilot](https://github.com/Copilot) ([#15429](https://github.com/community-scripts/ProxmoxVE/pull/15429))
+
 ## 2026-06-26
 
 ### 🚀 Updated Scripts
@@ -494,15 +500,28 @@ Exercise vigilance regarding copycat or coat-tailing sites that seek to exploit
 
   - #### 🐞 Bug Fixes
 
+    - Docuseal: use real SECRET_KEY_BASE for db:migrate on update [@MickLesk](https://github.com/MickLesk) ([#15411](https://github.com/community-scripts/ProxmoxVE/pull/15411))
+    - bun: correct install for degoog [@MickLesk](https://github.com/MickLesk) ([#15412](https://github.com/community-scripts/ProxmoxVE/pull/15412))
     - fix databasus update/install errors [@asylumexp](https://github.com/asylumexp) ([#15403](https://github.com/community-scripts/ProxmoxVE/pull/15403))
 
 ### 💾 Core
 
   - #### 🐞 Bug Fixes
 
+    - tools.func: fix setup_docker - don't abort update on docker pull failure [@MickLesk](https://github.com/MickLesk) ([#15410](https://github.com/community-scripts/ProxmoxVE/pull/15410))
     - fix(build.func): set /dev/kfd GID in fix_gpu_gids for AMD ROCm [@jamiej](https://github.com/jamiej) ([#15401](https://github.com/community-scripts/ProxmoxVE/pull/15401))
     - fix alpine mktmp error [@asylumexp](https://github.com/asylumexp) ([#15398](https://github.com/community-scripts/ProxmoxVE/pull/15398))
 
+### 🧰 Tools
+
+  - #### 🔧 Refactor
+
+    - Refactor: reduce IP-Tag resource usage and clean up ShellCheck findings [@MickLesk](https://github.com/MickLesk) ([#15418](https://github.com/community-scripts/ProxmoxVE/pull/15418))
+    - QoL: kernel-clean: Validate kernel selection input [@MickLesk](https://github.com/MickLesk) ([#15414](https://github.com/community-scripts/ProxmoxVE/pull/15414))
+    - QoL: clean-lxcs exclude matching and set -e cancel handling [@MickLesk](https://github.com/MickLesk) ([#15413](https://github.com/community-scripts/ProxmoxVE/pull/15413))
+    - QoL: Harden microcode download/install in microcode and pbs-microcode [@MickLesk](https://github.com/MickLesk) ([#15415](https://github.com/community-scripts/ProxmoxVE/pull/15415))
+    - QoL: scaling-governor extend selection and guard missing cpufreq [@MickLesk](https://github.com/MickLesk) ([#15416](https://github.com/community-scripts/ProxmoxVE/pull/15416))
+
 ## 2026-06-25
 
 ### 🆕 New Scripts

ct/degoog.sh

@@ -38,7 +38,7 @@ function update_script() {
     create_backup /opt/degoog/.env \
       /opt/degoog/data
 
-    if ! command -v bun >/dev/null 2>&1; then
+    if [[ ! -x /root/.bun/bin/bun ]]; then
       msg_info "Installing Bun"
       export BUN_INSTALL="/root/.bun"
       curl -fsSL https://bun.sh/install | $STD bash
@@ -52,7 +52,7 @@ function update_script() {
     msg_ok "Updated Valkey"
 
     CLEAN_INSTALL=1 fetch_and_deploy_gh_release "degoog" "fccview/degoog" "prebuild" "latest" "/opt/degoog" "degoog_*_prebuild.tar.gz"
-    CLEAN_INSTALL=1 fetch_and_deploy_gh_release "curl-impersonate" "lexiforest/curl-impersonate" "prebuild" "latest" "/usr/local/bin" "curl-impersonate-v*.$(uname -m)-linux-gnu.tar.gz"
+    fetch_and_deploy_gh_release "curl-impersonate" "lexiforest/curl-impersonate" "prebuild" "latest" "/usr/local/bin" "curl-impersonate-v*.$(uname -m)-linux-gnu.tar.gz"
 
     restore_backup
 

ct/docuseal.sh

@@ -55,7 +55,7 @@ function update_script() {
     eval "$(rbenv init - bash)" 2>/dev/null || true
     export RAILS_ENV=production
     export NODE_ENV=production
-    export SECRET_KEY_BASE_DUMMY=1
+    mkdir -p /opt/docuseal/tmp
     set -a
     source /opt/docuseal/.env
     set +a

ct/endurain.sh

@@ -63,10 +63,7 @@ function update_script() {
     cd /opt/endurain/backend
     UV_VERSION=$(grep -Po 'required-version\s*=\s*"\K[^"]+' pyproject.toml 2>/dev/null || echo "0.11.18")
     UV_VERSION="$UV_VERSION" setup_uv
-    $STD poetry export -f requirements.txt --output requirements.txt --without-hashes
-    $STD uv venv --clear
-    $STD uv pip install -r requirements.txt
-    $STD uv pip install pytz
+    $STD uv sync --frozen --no-dev
     msg_ok "Backend Updated"
 
     msg_info "Starting Service"

install/endurain-install.sh

@@ -83,14 +83,7 @@ msg_info "Setting up Backend"
 cd /opt/endurain/backend
 UV_VERSION=$(grep -Po 'required-version\s*=\s*"\K[^"]+' pyproject.toml 2>/dev/null || echo "0.11.18")
 UV_VERSION="$UV_VERSION" setup_uv
-$STD uv tool install poetry
-$STD uv tool update-shell
-export PATH="/root/.local/bin:$PATH"
-$STD poetry self add poetry-plugin-export
-$STD poetry export -f requirements.txt --output requirements.txt --without-hashes
-$STD uv venv --clear
-$STD uv pip install -r requirements.txt
-$STD uv pip install pytz
+$STD uv sync --frozen --no-dev
 msg_ok "Setup Backend"
 
 msg_info "Creating Service"

misc/tools.func

@@ -4614,11 +4614,11 @@ EOF
       local image=$(echo "$container" | awk '{print $2}')
       local current_digest=$(docker inspect "$name" --format='{{.Image}}' 2>/dev/null | cut -d':' -f2 | cut -c1-12)
 
-      # Pull latest image digest
-      docker pull "$image" >/dev/null 2>&1
+      # Pull latest image digest (ignore failures, e.g. local-only images or registry/permission issues)
+      docker pull "$image" >/dev/null 2>&1 || true
       local latest_digest=$(docker inspect "$image" --format='{{.Id}}' 2>/dev/null | cut -d':' -f2 | cut -c1-12)
 
-      if [ "$current_digest" != "$latest_digest" ]; then
+      if [ -n "$latest_digest" ] && [ "$current_digest" != "$latest_digest" ]; then
         containers_with_updates+=("$name")
         container_info+=("${index}) ${name} (${image})")
         ((index++))
@@ -7561,8 +7561,8 @@ setup_nodejs() {
   }
 
   # Install global Node modules
-  if [[ -n "$NODE_MODULE" ]] || (( node_major >= 25 )); then
-    if (( node_major >= 25 )) && [[ ",${NODE_MODULE}," != *",corepack,"* ]] && [[ "$NODE_MODULE" != corepack* ]]; then
+  if [[ -n "$NODE_MODULE" ]] || ((node_major >= 25)); then
+    if ((node_major >= 25)) && [[ ",${NODE_MODULE}," != *",corepack,"* ]] && [[ "$NODE_MODULE" != corepack* ]]; then
       NODE_MODULE="${NODE_MODULE:+$NODE_MODULE,}corepack"
     fi
 
@@ -7624,12 +7624,12 @@ setup_nodejs() {
         fi
       fi
     done
-    if (( failed_modules > 0 )); then
+    if ((failed_modules > 0)); then
       msg_warn "$failed_modules Node.js module(s) failed: $NODE_MODULE"
     fi
   fi
 
-  if [[ "$NODE_COREPACK_ENABLE" == "1" ]] && (( wants_corepack )) && command -v corepack >/dev/null 2>&1; then
+  if [[ "$NODE_COREPACK_ENABLE" == "1" ]] && ((wants_corepack)) && command -v corepack >/dev/null 2>&1; then
     msg_info "Enabling corepack"
     if $STD corepack enable 2>/dev/null; then
       msg_ok "Enabled corepack"

tools/pve/add-iptag.sh

@@ -22,10 +22,10 @@ APP="IP-Tag"
 hostname=$(hostname)
 
 # Color variables
-YW=$(echo "\033[33m")
-GN=$(echo "\033[1;92m")
-RD=$(echo "\033[01;31m")
-CL=$(echo "\033[m")
+YW="\033[33m"
+GN="\033[1;92m"
+RD="\033[01;31m"
+CL="\033[m"
 BFR="\\r\\033[K"
 HOLD=" "
 CM="${GN}✓${CL} "
@@ -127,7 +127,7 @@ update_installation() {
     echo -e "\n${YW}Configuration file already exists.${CL}"
     echo -e "${YW}Note: No critical changes were made in this version.${CL}"
     while true; do
-      read -p "Do you want to replace it with defaults? (y/n): " yn
+      read -rp "Do you want to replace it with defaults? (y/n): " yn
       case $yn in
       [Yy]*)
         interactive_config_setup
@@ -176,7 +176,7 @@ export FORCE_SINGLE_RUN=true
 exec "$SCRIPT_FILE"
 EOF
   chmod +x /usr/local/bin/iptag-run
-  msg_ok "Created iptag-run executable - You can execute this manually by entering “iptag-run” in the Proxmox host, so the script is executed by hand."
+  msg_ok "Created iptag-run executable - You can execute this manually by entering 'iptag-run' in the Proxmox host, so the script is executed by hand."
 
   msg_info "Restarting service"
   systemctl daemon-reload &>/dev/null
@@ -208,7 +208,7 @@ install_command_only() {
   else
     stop_spinner
     echo -e "\n${YW}Configuration file already exists.${CL}"
-    read -p "Do you want to reconfigure tag format? (y/n): " reconfigure
+    read -rp "Do you want to reconfigure tag format? (y/n): " reconfigure
     case $reconfigure in
     [Yy]*)
       interactive_config_setup_command
@@ -285,7 +285,7 @@ interactive_config_setup_command() {
   echo -e "${GN}3)${CL} full - Show full IP address (e.g., 192.168.0.100)"
 
   while true; do
-    read -p "Enter your choice (1-3) [1]: " tag_choice
+    read -rp "Enter your choice (1-3) [1]: " tag_choice
     case ${tag_choice:-1} in
     1)
       TAG_FORMAT="last_two_octets"
@@ -323,7 +323,7 @@ interactive_config_setup() {
   echo -e "${GN}3)${CL} full - Show full IP address (e.g., 192.168.0.100)"
 
   while true; do
-    read -p "Enter your choice (1-3) [1]: " tag_choice
+    read -rp "Enter your choice (1-3) [1]: " tag_choice
     case ${tag_choice:-1} in
     1)
       TAG_FORMAT="last_two_octets"
@@ -352,7 +352,7 @@ interactive_config_setup() {
   echo -e "${YW}Recommended range: 300-3600 seconds${CL}"
 
   while true; do
-    read -p "Enter interval in seconds [300]: " interval_input
+    read -rp "Enter interval in seconds [300]: " interval_input
     interval_input=${interval_input:-300}
 
     if [[ $interval_input =~ ^[0-9]+$ ]] && [ $interval_input -ge 300 ] && [ $interval_input -le 7200 ]; then
@@ -563,9 +563,10 @@ get_vm_ips() {
     
     debug_log "vm $vmid: starting IP detection"
     
-    # Check if VM is running first
-    local vm_status=""
-    if command -v qm >/dev/null 2>&1; then
+    # Check if VM is running first (status comes from the cached `qm list`,
+    # falling back to `qm status` only when called outside the normal cycle).
+    local vm_status="${STATUS_CACHE[vm_${vmid}]:-}"
+    if [[ -z "$vm_status" ]] && command -v qm >/dev/null 2>&1; then
         vm_status=$(qm status "$vmid" 2>/dev/null | awk '{print $2}')
     fi
     
@@ -578,33 +579,43 @@ get_vm_ips() {
     local mac_addresses=$(grep -E "^net[0-9]+:" "$vm_config" | grep -oE "([0-9A-Fa-f]{2}:){5}[0-9A-Fa-f]{2}" | head -3)
     debug_log "vm $vmid: found MACs: $mac_addresses"
     
-    # Method 1: QM guest agent (most reliable for current IP)
-    if command -v qm >/dev/null 2>&1; then
-        debug_log "vm $vmid: trying qm guest agent first"
-        local qm_ips=$(timeout 8 qm guest cmd "$vmid" network-get-interfaces 2>/dev/null | grep -oE '([0-9]{1,3}\.){3}[0-9]{1,3}' | grep -v "127.0.0.1" | head -3)
+    # Method 1: QEMU guest agent (most reliable for current IP). Only query it
+    # when the agent is actually enabled in the VM config, otherwise the call
+    # blocks until the timeout on every VM without an agent.
+    local agent_enabled=0
+    if [[ "$(grep -E '^agent:' "$vm_config" 2>/dev/null)" =~ (^agent:[[:space:]]*1|enabled=1) ]]; then
+        agent_enabled=1
+    fi
+    if [[ "$agent_enabled" == "1" ]] && command -v qm >/dev/null 2>&1; then
+        debug_log "vm $vmid: querying guest agent"
+        local qm_ips=$(timeout 5 qm guest cmd "$vmid" network-get-interfaces 2>/dev/null | grep -oE '([0-9]{1,3}\.){3}[0-9]{1,3}' | grep -v "127.0.0.1" | head -3)
         for qm_ip in $qm_ips; do
             if [[ "$qm_ip" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]]; then
                 debug_log "vm $vmid: found IP $qm_ip via qm guest cmd"
                 ips+="$qm_ip "
             fi
         done
+    else
+        debug_log "vm $vmid: guest agent not enabled, skipping qm guest cmd"
     fi
     
-    # Method 2: Fresh ARP table lookup (force refresh)
-    if [[ -n "$mac_addresses" ]]; then
-        debug_log "vm $vmid: refreshing ARP table and checking"
-        # Try to refresh ARP table by pinging network ranges
+    # Method 2: ARP table lookup (only if the guest agent gave us nothing).
+    if [[ -z "$ips" && -n "$mac_addresses" ]]; then
+        debug_log "vm $vmid: checking ARP table"
+        # Snapshot the neighbor table once instead of per MAC
+        local neigh_table
+        neigh_table=$(ip neighbor show 2>/dev/null)
         for mac in $mac_addresses; do
             local mac_lower=$(echo "$mac" | tr '[:upper:]' '[:lower:]')
             
-            # First check current ARP table
-            local current_ip=$(ip neighbor show | grep "$mac_lower" | grep -oE '([0-9]{1,3}\.){3}[0-9]{1,3}' | head -1)
+            # Check current ARP table
+            local current_ip=$(echo "$neigh_table" | grep "$mac_lower" | grep -oE '([0-9]{1,3}\.){3}[0-9]{1,3}' | head -1)
             
             # If found in ARP, verify it's still valid by trying to ping
             if [[ -n "$current_ip" && "$current_ip" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]]; then
                 debug_log "vm $vmid: found IP $current_ip in ARP table for MAC $mac_lower, verifying..."
                 # Quick ping test to verify IP is still active
-                if timeout 2 ping -c 1 "$current_ip" >/dev/null 2>&1; then
+                if timeout 1 ping -c 1 -W 1 "$current_ip" >/dev/null 2>&1; then
                     debug_log "vm $vmid: verified IP $current_ip is active via ping"
                     ips+="$current_ip "
                 else
@@ -628,7 +639,7 @@ get_vm_ips() {
                     if [[ -n "$dhcp_ip" && "$dhcp_ip" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]]; then
                         debug_log "vm $vmid: found IP $dhcp_ip via DHCP leases"
                         # Verify this IP responds
-                        if timeout 2 ping -c 1 "$dhcp_ip" >/dev/null 2>&1; then
+                        if timeout 1 ping -c 1 -W 1 "$dhcp_ip" >/dev/null 2>&1; then
                             debug_log "vm $vmid: verified DHCP IP $dhcp_ip is active"
                             ips+="$dhcp_ip "
                             break 2
@@ -652,6 +663,9 @@ get_vm_ips() {
 # Cache for configs to avoid repeated reads
 declare -A CONFIG_CACHE
 declare -A IP_CACHE
+# Status cache populated once per check from `pct list` / `qm list` to avoid
+# spawning an expensive `pct status` / `qm status` (Perl) per guest each cycle.
+declare -A STATUS_CACHE
 
 # Update tags for container or VM
 update_tags() {
@@ -836,7 +850,16 @@ update_all_tags() {
     
     # Get list of all containers/VMs
     if [[ "$type" == "lxc" ]]; then
-        vmids=($(pct list 2>/dev/null | grep -v VMID | awk '{print $1}'))
+        # A single `pct list` call yields both the VMID list and the running
+        # status, so we never need a per-container `pct status` afterwards.
+        local pct_list_output
+        pct_list_output=$(pct list 2>/dev/null)
+        vmids=($(echo "$pct_list_output" | awk 'NR>1 {print $1}'))
+        local _vmid _status _rest
+        while read -r _vmid _status _rest; do
+            [[ "$_vmid" == "VMID" || -z "$_vmid" ]] && continue
+            STATUS_CACHE["lxc_${_vmid}"]="$_status"
+        done <<<"$pct_list_output"
     else
         # More efficient: direct file listing instead of ls+sed
         vmids=()
@@ -845,6 +868,15 @@ update_all_tags() {
             local basename="${conf##*/}"
             vmids+=("${basename%.conf}")
         done
+        # A single `qm list` call yields the status for all VMs, avoiding a
+        # per-VM `qm status`.
+        if command -v qm >/dev/null 2>&1; then
+            local _vmid _name _status _rest
+            while read -r _vmid _name _status _rest; do
+                [[ "$_vmid" == "VMID" || -z "$_vmid" ]] && continue
+                STATUS_CACHE["vm_${_vmid}"]="$_status"
+            done <<<"$(qm list 2>/dev/null)"
+        fi
     fi
     
     count=${#vmids[@]}
@@ -881,6 +913,7 @@ check() {
     # Clear caches before each run
     CONFIG_CACHE=()
     IP_CACHE=()
+    STATUS_CACHE=()
     
     # Update LXC containers
     update_all_tags "lxc"
@@ -925,8 +958,12 @@ get_lxc_ips() {
     
     debug_log "lxc $vmid: starting IP detection"
     
-    # Check if LXC is running
-    local lxc_status=$(pct status "${vmid}" 2>/dev/null | awk '{print $2}')
+    # Check if LXC is running (status comes from the cached `pct list`,
+    # falling back to `pct status` only when called outside the normal cycle).
+    local lxc_status="${STATUS_CACHE[lxc_${vmid}]:-}"
+    if [[ -z "$lxc_status" ]]; then
+        lxc_status=$(pct status "${vmid}" 2>/dev/null | awk '{print $2}')
+    fi
     if [[ "$lxc_status" != "running" ]]; then
         debug_log "lxc $vmid: not running (status: $lxc_status)"
         return
@@ -952,9 +989,12 @@ get_lxc_ips() {
     if [[ -z "$ips" && -f "$pve_lxc_config" ]]; then
         local mac_addrs=$(grep -Eo 'hwaddr=([0-9A-Fa-f]{2}:){5}[0-9A-Fa-f]{2}' "$pve_lxc_config" | cut -d'=' -f2)
         if [[ -n "$mac_addrs" ]]; then
+            # Snapshot the neighbor table once instead of per MAC
+            local neigh_table
+            neigh_table=$(ip neighbor show 2>/dev/null)
             while IFS= read -r mac_addr; do
                 [[ -z "$mac_addr" ]] && continue
-                local arp_ip=$(ip neighbor show | grep -i "$mac_addr" | grep -oE '([0-9]{1,3}\.){3}[0-9]{1,3}' | head -1)
+                local arp_ip=$(echo "$neigh_table" | grep -i "$mac_addr" | grep -oE '([0-9]{1,3}\.){3}[0-9]{1,3}' | head -1)
                 if [[ -n "$arp_ip" && "$arp_ip" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]]; then
                     debug_log "lxc $vmid: found IP $arp_ip via ARP table for MAC $mac_addr"
                     ips="${ips}${ips:+ }${arp_ip}"
@@ -996,7 +1036,7 @@ echo -e "${GN}3)${CL} Update existing installation"
 echo -e "${RD}4)${CL} Cancel"
 
 while true; do
-  read -p "Enter your choice (1-4): " choice
+  read -rp "Enter your choice (1-4): " choice
   case $choice in
   1)
     INSTALL_MODE="service"
@@ -1025,7 +1065,7 @@ done
 
 echo -e "\n${YW}This will install ${APP} on ${hostname} in $INSTALL_MODE mode.${CL}"
 while true; do
-  read -p "Proceed? (y/n): " yn
+  read -rp "Proceed? (y/n): " yn
   case $yn in
   [Yy]*)
     break
@@ -1072,7 +1112,7 @@ if [[ "$INSTALL_MODE" == "service" ]]; then
   else
     stop_spinner
     echo -e "\n${YW}Configuration file already exists.${CL}"
-    read -p "Do you want to reconfigure tag format and loop interval? (y/n): " reconfigure
+    read -rp "Do you want to reconfigure tag format and loop interval? (y/n): " reconfigure
     case $reconfigure in
     [Yy]*)
       interactive_config_setup

tools/pve/clean-lxcs.sh

@@ -30,7 +30,7 @@ declare -f init_tool_telemetry &>/dev/null && init_tool_telemetry "clean-lxcs" "
 header_info
 echo "Loading..."
 
-whiptail --backtitle "Proxmox VE Helper Scripts" --title "Proxmox VE LXC Updater" --yesno "This will clean logs, cache and update package lists on selected LXC Containers. Proceed?" 10 58
+whiptail --backtitle "Proxmox VE Helper Scripts" --title "Proxmox VE LXC Updater" --yesno "This will clean logs, cache and update package lists on selected LXC Containers. Proceed?" 10 58 || exit 0
 
 NODE=$(hostname)
 EXCLUDE_MENU=()
@@ -42,17 +42,17 @@ while read -r TAG ITEM; do
   EXCLUDE_MENU+=("$TAG" "$ITEM " "OFF")
 done < <(pct list | awk 'NR>1')
 
-excluded_containers=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "Containers on $NODE" --checklist "\nSelect containers to skip from cleaning:\n" \
-  16 $((MSG_MAX_LENGTH + 23)) 6 "${EXCLUDE_MENU[@]}" 3>&1 1>&2 2>&3 | tr -d '"')
-
-if [ $? -ne 0 ]; then
-  exit
+# Capture the selection; abort cleanly if the user cancels the dialog
+# (set -e would otherwise terminate on the failing command substitution).
+if ! excluded_containers=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "Containers on $NODE" --checklist "\nSelect containers to skip from cleaning:\n" \
+  16 $((MSG_MAX_LENGTH + 23)) 6 "${EXCLUDE_MENU[@]}" 3>&1 1>&2 2>&3 | tr -d '"'); then
+  exit 0
 fi
 
 function run_lxc_clean() {
   local container=$1
   header_info
-  name=$(pct exec "$container" hostname)
+  name=$(pct exec "$container" -- hostname)
 
   pct exec "$container" -- bash -c '
     BL="\033[36m"; GN="\033[1;92m"; CL="\033[m"
@@ -84,7 +84,14 @@ function run_lxc_clean() {
 }
 
 for container in $(pct list | awk '{if(NR>1) print $1}'); do
-  if [[ " ${excluded_containers[@]} " =~ " $container " ]]; then
+  excluded=0
+  for ex in $excluded_containers; do
+    if [[ "$ex" == "$container" ]]; then
+      excluded=1
+      break
+    fi
+  done
+  if [[ "$excluded" -eq 1 ]]; then
     header_info
     echo -e "${BL}[Info]${GN} Skipping ${BL}$container${CL}"
     sleep 1

tools/pve/kernel-clean.sh

@@ -55,12 +55,23 @@ read -r selected
 selected_indices=()
 IFS=',' read -r -a tokens <<<"$selected"
 for token in "${tokens[@]}"; do
+  # Strip surrounding whitespace and skip empty tokens
+  token="${token//[[:space:]]/}"
+  [ -z "$token" ] && continue
   if [[ "$token" =~ ^([0-9]+)-([0-9]+)$ ]]; then
-    for ((i = BASH_REMATCH[1]; i <= BASH_REMATCH[2]; i++)); do
+    start=${BASH_REMATCH[1]}
+    end=${BASH_REMATCH[2]}
+    if ((start > end)); then
+      echo -e "${RD}Ignoring invalid range '${token}' (start greater than end).${CL}"
+      continue
+    fi
+    for ((i = start; i <= end; i++)); do
       selected_indices+=("$i")
     done
-  else
+  elif [[ "$token" =~ ^[0-9]+$ ]]; then
     selected_indices+=("$token")
+  else
+    echo -e "${RD}Ignoring invalid selection '${token}'.${CL}"
   fi
 done
 
@@ -101,8 +112,7 @@ for kernel in "${kernels_to_remove[@]}"; do
     remaining=$(dpkg --list |
       awk '/^ii/ {print $2}' |
       grep -E "^proxmox-kernel-${minor_version}\." |
-      grep -v "^${kernel}$" |
-      wc -l)
+      grep -cv "^${kernel}$")
     if [ "$remaining" -eq 0 ]; then
       pkgs_to_remove+=("$meta")
     fi

tools/pve/microcode.sh

@@ -16,10 +16,10 @@ function header_info {
 EOF
 }
 
-RD=$(echo "\033[01;31m")
-YW=$(echo "\033[33m")
-GN=$(echo "\033[1;92m")
-CL=$(echo "\033[m")
+RD="\033[01;31m"
+YW="\033[33m"
+GN="\033[1;92m"
+CL="\033[m"
 BFR="\\r\\033[K"
 HOLD="-"
 CM="${GN}✓${CL}"
@@ -47,7 +47,7 @@ intel() {
     sleep 1
   fi
 
-  intel_microcode=$(curl -fsSL "https://ftp.debian.org/debian/pool/non-free-firmware/i/intel-microcode//" | grep -o 'href="[^"]*amd64.deb"' | sed 's/href="//;s/"//')
+  intel_microcode=$(curl -fsSL "https://ftp.debian.org/debian/pool/non-free-firmware/i/intel-microcode/" | grep -o 'href="[^"]*amd64.deb"' | sed 's/href="//;s/"//')
   [ -z "$intel_microcode" ] && {
     whiptail --backtitle "Proxmox VE Helper Scripts" --title "No Microcode Found" --msgbox "It appears there were no microcode packages found\n Try again later." 10 68
     msg_info "Exiting"
@@ -80,17 +80,17 @@ intel() {
   msg_ok "Downloaded the Intel Processor Microcode Package $microcode"
 
   msg_info "Installing $microcode (Patience)"
-  dpkg -i $microcode &>/dev/null
+  dpkg -i "$microcode" &>/dev/null
   msg_ok "Installed $microcode"
 
   msg_info "Cleaning up"
-  rm $microcode
+  rm -f "$microcode"
   msg_ok "Cleaned"
   echo -e "\nIn order to apply the changes, a system reboot will be necessary.\n"
 }
 
 amd() {
-  amd_microcode=$(curl -fsSL "https://ftp.debian.org/debian/pool/non-free-firmware/a/amd64-microcode///" | grep -o 'href="[^"]*amd64.deb"' | sed 's/href="//;s/"//')
+  amd_microcode=$(curl -fsSL "https://ftp.debian.org/debian/pool/non-free-firmware/a/amd64-microcode/" | grep -o 'href="[^"]*amd64.deb"' | sed 's/href="//;s/"//')
 
   [ -z "$amd_microcode" ] && {
     whiptail --backtitle "Proxmox VE Helper Scripts" --title "No Microcode Found" --msgbox "It appears there were no microcode packages found\n Try again later." 10 68
@@ -120,15 +120,15 @@ amd() {
   }
 
   msg_info "Downloading the AMD Processor Microcode Package $microcode"
-  curl -fsSL "https://ftp.debian.org/debian/pool/non-free-firmware/a/amd64-microcode/$microcode" -o $(basename "https://ftp.debian.org/debian/pool/non-free-firmware/a/amd64-microcode/$microcode")
+  curl -fsSL --proto '=https' "https://ftp.debian.org/debian/pool/non-free-firmware/a/amd64-microcode/$microcode" -o "$microcode"
   msg_ok "Downloaded the AMD Processor Microcode Package $microcode"
 
   msg_info "Installing $microcode (Patience)"
-  dpkg -i $microcode &>/dev/null
+  dpkg -i "$microcode" &>/dev/null
   msg_ok "Installed $microcode"
 
   msg_info "Cleaning up"
-  rm $microcode
+  rm -f "$microcode"
   msg_ok "Cleaned"
   echo -e "\nIn order to apply the changes, a system reboot will be necessary.\n"
 }

tools/pve/pbs-microcode.sh

@@ -18,10 +18,10 @@ EOF
 }
 
 # Color definitions
-RD=$(echo "\033[01;31m")
-YW=$(echo "\033[33m")
-GN=$(echo "\033[1;92m")
-CL=$(echo "\033[m")
+RD="\033[01;31m"
+YW="\033[33m"
+GN="\033[1;92m"
+CL="\033[m"
 BFR="\\r\\033[K"
 HOLD="-"
 CM="${GN}✓${CL}"
@@ -94,11 +94,11 @@ intel() {
   msg_ok "Downloaded Intel processor microcode package $microcode"
 
   msg_info "Installing $microcode (this might take a while)"
-  dpkg -i $microcode &>/dev/null
+  dpkg -i "$microcode" &>/dev/null
   msg_ok "Installed $microcode"
 
   msg_info "Cleaning up"
-  rm $microcode
+  rm -f "$microcode"
   msg_ok "Clean up complete"
   echo -e "\nA system reboot is required to apply the changes.\n"
 }
@@ -137,15 +137,15 @@ amd() {
   }
 
   msg_info "Downloading AMD processor microcode package $microcode"
-  curl -fsSL "https://ftp.debian.org/debian/pool/non-free-firmware/a/amd64-microcode/$microcode" -o $(basename "https://ftp.debian.org/debian/pool/non-free-firmware/a/amd64-microcode/$microcode")
+  curl -fsSL --proto '=https' "https://ftp.debian.org/debian/pool/non-free-firmware/a/amd64-microcode/$microcode" -o "$microcode"
   msg_ok "Downloaded AMD processor microcode package $microcode"
 
   msg_info "Installing $microcode (this might take a while)"
-  dpkg -i $microcode &>/dev/null
+  dpkg -i "$microcode" &>/dev/null
   msg_ok "Installed $microcode"
 
   msg_info "Cleaning up"
-  rm $microcode
+  rm -f "$microcode"
   msg_ok "Clean up complete"
   echo -e "\nA system reboot is required to apply the changes.\n"
 }

tools/pve/scaling-governor.sh

@@ -20,16 +20,26 @@ header_info() {
 EOF
 }
 header_info
-whiptail --backtitle "Proxmox VE Helper Scripts" --title "CPU Scaling Governors" --yesno "View/Change CPU Scaling Governors. Proceed?" 10 58
-current_governor=$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor)
+whiptail --backtitle "Proxmox VE Helper Scripts" --title "CPU Scaling Governors" --yesno "View/Change CPU Scaling Governors. Proceed?" 10 58 || exit 0
+
+GOV_BASE="/sys/devices/system/cpu/cpu0/cpufreq"
+if [[ ! -r "$GOV_BASE/scaling_governor" || ! -r "$GOV_BASE/scaling_available_governors" ]]; then
+  whiptail --backtitle "Proxmox VE Helper Scripts" --title "CPU Scaling Not Available" \
+    --msgbox "CPU frequency scaling is not available on this system.\n\nThis is normal when no cpufreq driver is active (e.g. CPU power management handled by the BIOS, or certain virtualized hosts)." 12 70
+  clear
+  exit 0
+fi
+
+current_governor=$(cat "$GOV_BASE/scaling_governor")
 GOVERNORS_MENU=()
 MSG_MAX_LENGTH=0
 while read -r TAG ITEM; do
   OFFSET=2
   ((${#ITEM} + OFFSET > MSG_MAX_LENGTH)) && MSG_MAX_LENGTH=${#ITEM}+OFFSET
   GOVERNORS_MENU+=("$TAG" "$ITEM " "OFF")
-done < <(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors | tr ' ' '\n' | grep -v "$current_governor")
-scaling_governor=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "Current CPU Scaling Governor is set to $current_governor" --checklist "\nSelect the Scaling Governor to use:\n" 16 $((MSG_MAX_LENGTH + 58)) 6 "${GOVERNORS_MENU[@]}" 3>&1 1>&2 2>&3 | tr -d '"')
+done < <(tr ' ' '\n' <"$GOV_BASE/scaling_available_governors" | sed '/^$/d' | grep -vxF "$current_governor")
+# A radiolist is used on purpose: only a single governor can be active at a time.
+scaling_governor=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "Current CPU Scaling Governor is set to $current_governor" --radiolist "\nSelect the Scaling Governor to use:\n" 16 $((MSG_MAX_LENGTH + 58)) 6 "${GOVERNORS_MENU[@]}" 3>&1 1>&2 2>&3 | tr -d '"')
 [ -z "$scaling_governor" ] && {
   whiptail --backtitle "Proxmox VE Helper Scripts" --title "No CPU Scaling Governor Selected" --msgbox "It appears that no CPU Scaling Governor was selected" 10 68
   clear
@@ -49,7 +59,7 @@ yes)
   EXISTING_CRONTAB=$(crontab -l 2>/dev/null)
   if [[ -n "$EXISTING_CRONTAB" ]]; then
     TEMP_CRONTAB_FILE=$(mktemp)
-    echo "$EXISTING_CRONTAB" | grep -v "@reboot (sleep 60 && echo*" >"$TEMP_CRONTAB_FILE"
+    echo "$EXISTING_CRONTAB" | grep -vF "@reboot (sleep 60 && echo" >"$TEMP_CRONTAB_FILE"
     crontab "$TEMP_CRONTAB_FILE"
     rm "$TEMP_CRONTAB_FILE"
   fi