systemd-machine-id-setup

Initialize the machine ID stored in /etc/machine-id at install time with a provisioned or randomly generated ID. Note: Always use sudo to execute these commands as they require elevated privileges. More information: https://www.freedesktop.org/software/systemd/man/systemd-machine-id-setup.html.

• Print the generated or committed machine ID:

systemd-machine-id-setup --print

• Specify an image policy:

systemd-machine-id-setup --image-policy=your_policy

• Display the output as JSON:

sudo systemd-machine-id-setup --json=pretty

• Operate on a disk image instead of a directory tree:

systemd-machine-id-setup --image=/path/to/image