Tuesday, 11 June 2013

Finding Network Connection After Moving Ubuntu VM

After restoring a VM from backup the VM would not bring up it's network connection, despite all the correct information being in /etc/network/interfaces

Running ifconfig only showed the lo connection, no eth interfaces.

Running ifconfig -a lists all network interfaces, including those that are currently down. There was an eth3 interface, but no eth1 as specified in the /etc/network/interfaces file. I updated this file with the correct interface number and after reboot, the machine was live.

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