Force udev to reassign ethX identifiers in Ubuntu 8.04
Quick tip: If you have replaced your network cards in Ubuntu 8.04, or in my case imaged a Ubuntu install across many PC’s, and would like udev to redetect network cards and reassign ethX identifiers beginning with eth0, run the following command.
sudo mv /etc/udev/rules.d/70-persistent-net.rules /etc/udev/rules.d/70-persistent-net.rules.old
Then reboot the machine, and udev will recreate 70-persistent-net.rules, reassigning only [...]