우분투 14.04 DNS 변경하기

You can use resolvconf if it isn't already installed use: sudo apt-get install resolvconf.

Then edit the config file: sudo nano /etc/resolvconf/resolv.conf.d/base.
Enter your nameserves (one per line) with: nameserver xxx.xxx.xxx.xxx
Update resolvconf with sudo resolvconf -u










출처 : http://askubuntu.com/questions/498018/how-to-change-the-dns-server-across-network-interfaces