From owner-freebsd-questions  Wed Mar  5 07:56:07 1997
Return-Path: <owner-questions>
Received: (from root@localhost)
          by freefall.freebsd.org (8.8.5/8.8.5) id HAA24015
          for questions-outgoing; Wed, 5 Mar 1997 07:56:07 -0800 (PST)
Received: from mail.EUnet.hu (www.eunet.hu [193.225.28.100])
          by freefall.freebsd.org (8.8.5/8.8.5) with ESMTP id HAA23943
          for <freebsd-questions@freebsd.org>; Wed, 5 Mar 1997 07:56:01 -0800 (PST)
Received: by mail.EUnet.hu, id QAA16159; Wed, 5 Mar 1997 16:55:57 +0100
Received: (from zgabor@localhost) by CoDe.hu (8.7.5/8.7.3) id QAA00310; Wed, 5 Mar 1997 16:05:40 +0100 (MET)
From: Zahemszky Gabor <zgabor@CoDe.hu>
Message-Id: <199703051505.QAA00310@CoDe.hu>
Subject: Re: Starting postgres at bootup
To: freebsd-questions@freebsd.org (FreeBSD questions)
Date: Wed, 5 Mar 1997 16:05:39 +0100 (MET)
Cc: h.wickhorst@elmshorn.netsurf.de
In-Reply-To: <199703032247.XAA13367@thor.shn.com> from Henning Wickhorst at "Mar 3, 97 11:47:32 pm"
X-Mailer: ELM [version 2.4ME+ PL11 (25)]
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Sender: owner-questions@freebsd.org
X-Loop: FreeBSD.org
Precedence: bulk

> I found the solution:
>        /bin/echo "/u/pgsql/bin/postmaster -D/u/pgsql/data > \
>        /u/pgsql/server.log  2>&1 &" | /usr/bin/su - postgres
>                                                   ^
>                                                   |
>  This dash was causing the problem. I took it away and eyerything 
>  works fine.
> 
>  Does anybody know what this dash is exactly doing ?

Hi!

Well, it's not in the manual (2.1.5), but it means: simulate a full login of
user, (as the ``-l'' option in the FreeBSD's manual).  It's the old
semantic, used most of the Unices (I worked on), but it's in the sources,
too.  Of course, you need the source to verify it :-)

Gabor