I installed Ubuntu server 14.03 in a Virtual Machine and after installation the Internet connection was not working. To fix this I added the nameservers to the /etc/resolv.conf file like this.
nameserver 8.8.8.8 nameserver 8.8.4.4 |
After saving this file, I ran this command.
sudo service resolveconf restart |
This fixed the issue with the Internet connection in the Ubuntu server VM. This was an easy fix and allowed me to run sudo apt-get update
and then sudo apt-get upgrade
to update the installed system. And this persisted after a shutdown and startup. So this is what I recommend you try if you are also having issues with networking in Ubuntu server. It worked for me.