Set Hostname on CentOS

2016-12-05 Cloud Servers

Step 1: Login to your VPS

Locate the IP address of your Stack Network VPS and login as the root user.

ssh root@stack

Step 2: Use the hostname utility

Change your hostname to a different name of your choosing. For example:

hostname demo.thestack.net

Step 3: Edit /etc/hosts

Open the /etc/hosts file with your favorite text editor. For example:

vi /etc/hosts

Change the first line and replace your old hostname with the new one. Save the file and exit the editor.

Step 4: Edit /etc/sysconfig/network

This file also contains your hostname. Open the /etc/sysconfig/network file with your favorite text editor.

Change HOSTNAME=stack to your desired hostname. For example: HOSTNAME=demo.thestack.net.

Step 5: Check your hostname

Run the following command to check your new hostname:

hostname

The new hostname will be displayed in your ssh terminal.