Update 2025-04-13_16:21:50
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34
lxc-create.sh
Executable file
34
lxc-create.sh
Executable file
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#!/bin/bash
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LXCHOSTNAME=drupal24
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lxc-stop -n drupal10
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lxc-copy -n drupal10 -N $LXCHOSTNAME
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# Funktion zur Generierung einer einzigartigen MAC-Adresse
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generate_unique_hwaddr() {
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local hwaddr
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local existing_hwaddrs
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while : ; do
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hwaddr=$(printf '00:16:3e:%02x:%02x:%02x\n' $((RANDOM%256)) $((RANDOM%256)) $((RANDOM%256)))
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existing_hwaddrs=$(grep "lxc.net.0.hwaddr" /var/lib/lxc/*/config | grep "$hwaddr")
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if [ -z "$existing_hwaddrs" ]; then
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# MAC-Adresse ist einzigartig
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echo "$hwaddr"
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return
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fi
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done
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}
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# Generiere eine einzigartige MAC-Adresse
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NEW_HWADDR=$(generate_unique_hwaddr)
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# Pfad zur LXC-Konfigurationsdatei
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CONFIG_FILE="/var/lib/lxc/$LXCHOSTNAME/config"
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# Ersetze die existierende hwaddr Zeile
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sed -i "/^lxc.net.0.hwaddr/c\lxc.net.0.hwaddr = $NEW_HWADDR" "$CONFIG_FILE"
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#echo "MAC-Adresse in $CONFIG_FILE auf $NEW_HWADDR aktualisiert."
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lxc-start -n drupal10
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