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I have what was a perfectly functioning Ubuntu 13.04 server running a LAMP stack using NAT. A change to the host configuration required that I use bridged networking and a static IP. I've set up a thousand static IPs in Ubuntu versions prior to version 12, but now I can't get a DNS configuration to stick. I can get DNS working fine if I manually add my DNS servers to resolv.conf every session, but that's a pain? 13.04 release notes mentioned a change whereby I insert the line dns-nameservers x.x.x.x into the interfaces file, but that doesn't seem to do anything either. Any ideas what's up with my DNS?
1After digging a fair bit deeper into the documentation, I stumbled, quite by accident onto adding the line: prepend domain-name-servers x.x.x.x, y.y.y.y; to my dhclient.conf file. Hadn't really considered that sort of configuration change as the idea was to NOT use DHCP. Just in case anyone else gets caught in the same trap. – user1119648 – 2013-07-31T03:42:07.290