Learn Change Hostname on Ubuntu

November 5, 2019

Table of Contents

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: 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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