Change Host Name in Ubuntu Server
added by Johan 1/23/13
You might run into a situation that requires you to change your computer name.
By following these steps, you’ll give your computer a new identity in no time.
1. In a terminal window:
enter your password
2. Input the following command:
3. The hostname file will open, displaying the current computer name.
Replace the current computer name with the desired new name
(In my case it was site5.northwestmall.com)
5. Click Ctrl-X, then "Y".
6. reboot -h now
7. To check the hostname after a reboot, enter:
which will show the fully qualified host name