Linux For Cynics One user's experiences with Linux

17Apr/130

Change the Hostname (Computer name) in Ubuntu

Changing your computer's name (also called the system's "hostname") in Ubuntu is simple. You just have to change two files and restart the computer. These instructions also work for Debian and Ubuntu-based distros (like Linux Mint). The files in question are /etc/hosts and /etc/hostname

1. Open /etc/hosts with sudo (or gksu if you're going to use something like gedit)

$ gksu gedit /etc/hosts

The file will look something like this:

127.0.0.1       localhost
127.0.1.1       current_hostname

Instead of current_hostname you'll see the hostname / computer name. Change it to whatever you want the new name to be. Save and close the file.

2. Open /etc/hosts with sudo (or gksu if you're going to use something like gedit)

$ gksu gedit /etc/hostname

This file just contains the hostname / computer name. Change it to whatever you want the new computer name to be. Make sure it matches the name you put in /etc/hosts. Save and close the file.

3. Restart your computer.

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