24 lines
683 B
Bash
Executable File
24 lines
683 B
Bash
Executable File
#!/bin/bash
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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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grep "lxc.net.0.hwaddr" /var/lib/lxc/*/config | awk '{print $3}'
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echo "$NEW_HWADDR new hwaddr"
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