Change hostname or Server name of a Linux Machine
Checking your Linux host name
First, see if your host name is set correclty using the following commands:
If the above commands return correctly with no errors then all may be well; however, you may want to read on to verify that all settings are correct.
Normally we will set the hostname of a system during the installation process.
Change the hostname on a running Linux system
On any Linux system you can change its hostname with the command ‘hostname‘.