To edit the file /etc/hostname, enter:

$ sudo vi /etc/hostname

Delete the existing name and replace it with a new name:


Save and close the file. You may also need to edit the /etc/hosts file, enter:

$ sudo vi /etc/hosts

How to set the hostname on Fedora Linux

With the latest version of Fedora Linux that uses systemd, it is possible to use a single command as follows:

# hostnamectl set-hostname {NameHere}
# hostnamectl set-hostname fedora28-ucartz

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