$ curl cheat.sh/
# hostnamectl
# Get or set the hostname of the computer.
# More information: <https://manned.org/hostnamectl>.

# Get the hostname of the computer:
hostnamectl

# Set the hostname of the computer:
sudo hostnamectl set-hostname "hostname"

# Set a pretty hostname for the computer:
sudo hostnamectl set-hostname --static "hostname.example.com" && sudo hostnamectl set-hostname --pretty "hostname"

# Reset hostname to its default value:
sudo hostnamectl set-hostname --pretty ""

$
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