Step 1: Login to your VPS
Locate the IP address of your Vultr VPS and login as the root user.
ssh root@server
Step 2: Edit /etc/hostname
Open the /etc/hostname file with your favorite text editor. For example:
nano /etc/hostname
Update the 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:
nano /etc/hosts
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:
/etc/init.d/hostname.sh start
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.