hostname / hostnamectl

Updated 03-Aug-2025

How to set and modify hostnames

hostname commands

• hostname and hostnamectl will display the static, transient hostnames (hostnamectl also provides other host information).
• sudo nano /etc/hostname can be used to edit the hostname that will be displayed upon reboot or restart.
  • This can be done more easily from the command with sudo hostnamectl set-hostname NEWNAME

Edit hosts file

sudo nano /etc/hosts

Add the hostname after localhost for local DNS lookup