systemctl

Control the systemd system and service manager. More information: https://www.freedesktop.org/software/systemd/man/systemctl.html.

• Show all running services:

systemctl status

• List failed units:

systemctl --failed

• Start/Stop/Restart/Reload a service:

systemctl {{start|stop|restart|reload}} {{unit}}

• Show the status of a unit:

systemctl status {{unit}}

• Enable/Disable a unit to be started on bootup:

systemctl {{enable|disable}} {{unit}}

• Mask/Unmask a unit to prevent enablement and manual activation:

systemctl {{mask|unmask}} {{unit}}

• Reload systemd, scanning for new or changed units:

systemctl daemon-reload

• Check if a unit is enabled:

systemctl is-enabled {{unit}}