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Top tools for junior Linux admins

JLH

... but ifconfig still only shows the loopback adapter. This is because the sysconfig networking scripts (located at /etc/sysconfig/networking-scripts/ifcfg-eth*) haven't been updated with the new MAC address.

Not necessarily.

Probably slightly cowboy, but you can use the udev files to associate MAC addresses with eth0/1/2 etc as you say, then in the ifcfg-eth0 configuration files not use a MAC address - ie once udev has sorted them out you just have ifcfg-eth0 not tied to a MAC address.

Someone will tell me that the world will end if I do this, but I've been happily running systems like this for years.

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