tldr/pages/linux/systemctl.md

# systemctl

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

- 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 active:

`systemctl is-active {{unit}}`

- Check if a unit is enabled:

`systemctl is-enabled {{unit}}`