Date: 2007nov19 Updated: 2020nov24 OS: Linux Distro: RedHat/Fedora/CentOS Keywords: hostname, computer name, reboot Q. Linux: How do I change the computer name of my RedHat/Fedora/CentOS box? A. The modern way to set the host name is:

hostnamectl set-hostname EXAMPLE.COM

As root. This command is part of systemd. And to query just:

hostnamectl

The older way to set it was:

hostname EXAMPLE.COM

And:

hostname

to query. Its stored in /etc/hostname You can also used the the GNOME GUI. Settings > Network > Wired > (click on the gear icon) > Identity