Display the current Suse Linux hostname
Type any one of the following commands:
$ hostname
OR
$ hostnamectl
How to change the SUSE Linux server hostname without a system restart?
Type the following commands:
$ sudo hostname new-server-name-here
Next, edit the /etc/hostname file and update hostname:
$ sudo vi /etc/hostname
Finally, edit the /etc/hosts file and update the lines that read your old-host-name:
$ sudo vi /etc/hosts
From:
127.0.1.1 old-host-name
To:
127.0.1.1 new-server-name-here
Save and close the file.
A note about hostnamectl command
Systemd based Linux distor such as SUSE Linux 12.x and above can simply use the hostnamectl command to rename hostname. To see the current setting just type:
$ hostnamectl
To change the hostname from Linux-mig6 to suse-rootadminz, enter:
$ sudo hostnamectl set-hostname suse-rootadminz
$ hostnamectl
How to assign a static hostname to a server running Suse Linux using yast
yast is a universal configuration utility for SuSe/OpenSuse. To setup hostname run yast command:
$ sudo yast
OR
$ sudo yast2
You must use the TAB and arrow keys to navigate YaST. In YaST, navigate to System, then Network Settings, and then press the Enter key. Use the arrow keys to navigate to Hostname/DNS and use the TAB key and Shift + TAB key combination to set options
Next set the hostname and domain name to preferred values. Use the TAB key to navigate to [ OK ] and press the Enter key to save changes. Finally, use the TAB key to navigate to [Quit] and press the Enter key to exit app.
