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Copying virtual machines can be a little tricky – every different OS configuration can have its own quirks.

In the case of a debian installation with static ip addresses, replication is fairly straightforward, but it does have a thing or two that caught me off guard.

In addition to modifying the hostname (/etc/hostname) and ip address (/etc/network/interfaces), you have to update the mac address (/etc/udev/rules.d/z25_persistent-net.rules) in order to have your device recognized as eth0.  Of course, different distros have different files, but just grep for your old mac, and you should be fine.

I suppose this change applies equally to any time you change network devices…

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