first commit

proxmox/update-containers.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+if [[ $EUID -ne 0 ]]; then
+   echo "This script must be run as root"
+   exit 1
+fi
+
+for CTID in $(pct list | tail -n+2 | awk '{print $1}'); do
+  echo "==> Checking container $CTID..."
+
+  if pct exec $CTID -- which apt >/dev/null 2>&1; then
+    echo "-> apt found. Running update & upgrade..."
+    pct exec $CTID -- apt -qq update
+    pct exec $CTID -- apt -qq upgrade -y
+  elif pct exec $CTID -- which apt-get >/dev/null 2>&1; then
+    echo "-> apt-get found. Running update & upgrade..."
+    pct exec $CTID -- apt-get -qq update
+    pct exec $CTID -- apt-get -qq upgrade -y
+  elif pct exec $CTID -- which dnf >/dev/null 2>&1; then
+    echo "-> dnf found. Running update..."
+    pct exec $CTID -- dnf -y upgrade --refresh
+  elif pct exec $CTID -- which yum >/dev/null 2>&1; then
+    echo "-> yum found. Running update..."
+    pct exec $CTID -- yum -y update
+  else
+    echo "-> No package manager found in container $CTID – skipping."
+  fi
+
+  echo
+done