systemctl - Control the systemd system and service manager

systemctl may be used to introspect and control the state of the systemd(1) system and service manager.

systemd is a system and service manager for Linux operating systems. When run as first process on boot (as PID 1), it acts as init system that brings up and maintains userspace services.

Getting Help

systemctl -h
systemctl [OPTIONS...] {COMMAND} …

Query or send control commands to the systemd manager.

-h –help Show this help
–version Show package version
-t –type=TYPE List only units of a particular type
-p –property=NAME Show only properties by this name
-a –all Show all units/properties, including dead/empty ones
–failed Show only failed units
–full Don’t ellipsize unit names on output
–fail When queueing a new job, fail if conflicting jobs are

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