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Change Hostname on Ubuntu 12.04

Last Updated: Mon, Mar 2, 2015
Linux Guides Networking Ubuntu
Archived content

Ubuntu versions 14.10 and prior have reached end-of-life status.

Please see our best practices guide for recent versions of Ubuntu.


In this tutorial, we will assume that the hostname you want is "pluto".

For Ubuntu 12.04 (Precise Pangolin)

  1. On your SSH Terminal, type: hostname pluto
  2. Using nano, you can then type: nano /etc/hostname
  3. Type in pluto, then press Ctrl + X, then Y, then Enter.
  4. Now, again using nano, type nano /etc/hosts to edit the hosts file.
  5. Add another line on top, it should read: 127.0.0.1 pluto
  6. Confirm your changes by typing hostname.

For Ubuntu 14.04 (Trusty Tahr) / 14.10 (Utopic Unicorn)

  1. Newer Ubuntu versions make it even easier, you can just type: hostnamectl set-hostname pluto
  2. Confirm your changes by typing hostname.

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