%general-entities; ]> hostname configuring Systemd reads /etc/hostname to determine which hostname should be set. Create the /etc/hostname file and enter a hostname by running: echo "[clfs]" > /etc/hostname [clfs] needs to be replaced with the name given to the computer. Do not enter the Fully Qualified Domain Name (FQDN) here. That information will be put in the /etc/hosts file in the next section.