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Rename a host machine

When working with Linux based systems it may be required to rename a host machine. This can be done using the following commands.

  • Use hostnamectl to change the host name
hostnamectl set-hostname "new-hostname"
  • Can also set the pretty, or display, name with the same tool
hostnamectl set-hostname "new pretty name" --pretty


Rename the host machine ubuntu to ubuntu2

hostnamectl set-hostname "ubuntu2"

Taken from https://phoenixnap.com/kb/ubuntu-20-04-change-hostname