To change your hostname into Debian based Linux server, Follow the steps below.
Step 1: Login to your VPS
Locate the IP address of your VPS and login as the root user using a SSH client like putty.
Step 2: Edit /etc/hostname file
Open the /etc/hostname file with your favorite text editor. For example:
Update your hostname in this file. Then save the file, and exit the text editor.
Step 3: Edit /etc/hosts
Open the /etc/hosts file with your favorite text editor. For example:
Change the first line and replace your old hostname with the new one. Save the file and exit the editor.
Step 4: Run hostname.sh
Run the following command to update your hostname:
Step 5: Check your hostname
Run the following command to check your new hostname:
The new hostname will be appeared into your ssh terminal.
That’s all we have to do, Previously we have discuss about how to set hostname into CentOS . please check that and also give your opinion below if you experience any issues or to discuss your ideas and experiences.