> From: zbyszek@in.waw.pl
> > much like -u equates to _SYSTEMD_UNIT.
> Just to clear up potential confusion: -u is *not* equivalent to _SYSTEMD_UNIT.
> You can show the match by looking at the (stricly unofficial) debug output:
> $ SYSTEMD_LOG_LEVEL=debug journalctl -u XXXXX |& grep 'Journal filter'
>
> Journal filter: ((OBJECT_SYSTEMD_UNIT=XXXXX.service AND _UID=0) OR
> (UNIT=XXXXX.service AND _PID=1) OR (COREDUMP_UNIT=XXXXX.service AND
> _UID=0 AND MESSAGE_ID=fc2e22bc6ee647b6b90729ab34a250b1) OR
> _SYSTEMD_UNIT=XXXXX.service)
>
> The output is still authoritative, but you get more than just messages
> originating from the unit.


I just *knew* I was going to be corrected on that.  Thanks for the explanation though.


--
John Florian