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====== Ubuntu - SystemD - Manage Services - Check the status of a specific service ======

Check the status of a specific service, for example, SSH daemon.

<code bash>
systemctl status cron
</code>

returns:

<code bash>
● cron.service - Regular background program processing daemon
     Loaded: loaded (/lib/systemd/system/cron.service; enabled; vendor preset: enabled)
     Active: active (running) since Sat 2023-06-03 08:31:48 BST; 1h 27min ago
       Docs: man:cron(8)
   Main PID: 1200 (cron)
      Tasks: 1 (limit: 76976)
     Memory: 468.0K
        CPU: 15ms
     CGroup: /system.slice/cron.service
             └─1200 /usr/sbin/cron -f -P

Jun 03 08:31:48 BigMamba systemd[1]: Started Regular background program processing daemon.
Jun 03 08:31:48 BigMamba cron[1200]: (CRON) INFO (pidfile fd = 3)
Jun 03 08:31:48 BigMamba cron[1200]: (CRON) INFO (Running @reboot jobs)
Jun 03 09:17:01 BigMamba CRON[8424]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Jun 03 09:17:01 BigMamba CRON[8425]: (root) CMD (   cd / && run-parts --report /etc/cron.hourly)
Jun 03 09:17:01 BigMamba CRON[8424]: pam_unix(cron:session): session closed for user root
Jun 03 09:30:01 BigMamba CRON[9087]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Jun 03 09:30:01 BigMamba CRON[9088]: (root) CMD ([ -x /etc/init.d/anacron ] && if [ ! -d /run/systemd/system ]; then /usr/sbin/invoke-rc.d anacron start >/dev/null; fi)
Jun 03 09:30:01 BigMamba CRON[9087]: pam_unix(cron:session): session closed for user root
</code>

----

===== If the Service is not running =====

<code bash>
systemctl status ssh
</code>

returns:

<code bash>
Unit ssh.service could not be found.
</code>

----