tldr/pages/linux/systemctl.md

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# systemctl
> Control the systemd system and service manager.
> More information: <https://www.freedesktop.org/software/systemd/man/systemctl.html>.
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- List failed units:
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`systemctl --failed`
- Start/Stop/Restart/Reload a service:
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`systemctl {{start|stop|restart|reload}} {{unit}}`
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- Show the status of a unit:
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`systemctl status {{unit}}`
- Enable/Disable a unit to be started on bootup:
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`systemctl {{enable|disable}} {{unit}}`
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- Mask/Unmask a unit to prevent enablement and manual activation:
`systemctl {{mask|unmask}} {{unit}}`
- Reload systemd, scanning for new or changed units:
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`systemctl daemon-reload`
- Check if a unit is active:
`systemctl is-active {{unit}}`
- Check if a unit is enabled:
`systemctl is-enabled {{unit}}`