Update 2025-04-13_16:21:50

lxc-hwaddr.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+# Funktion zur Generierung einer einzigartigen MAC-Adresse
+generate_unique_hwaddr() {
+    local hwaddr
+    local existing_hwaddrs
+    while : ; do
+        hwaddr=$(printf '00:16:3e:%02x:%02x:%02x\n' $((RANDOM%256)) $((RANDOM%256)) $((RANDOM%256)))
+        existing_hwaddrs=$(grep "lxc.net.0.hwaddr" /var/lib/lxc/*/config | grep "$hwaddr")
+        if [ -z "$existing_hwaddrs" ]; then
+            # MAC-Adresse ist einzigartig
+            echo "$hwaddr"
+            return
+        fi
+    done
+}
+
+# Generiere eine einzigartige MAC-Adresse
+NEW_HWADDR=$(generate_unique_hwaddr)
+
+grep "lxc.net.0.hwaddr" /var/lib/lxc/*/config | awk '{print $3}'
+echo "$NEW_HWADDR new hwaddr"
+