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Re: postgresql.conf file and logging questions

From: Lamar Owen <lowen(at)pari(dot)edu>
To: admin(at)usachurch(dot)com
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: postgresql.conf file and logging questions
Date: 2004-03-29 21:41:20
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-admin
On Saturday 27 March 2004 08:32 pm, admin(at)usachurch(dot)com wrote:
> 1.  Where should the postgresql.conf file be to be recognized by the
> service on startup?  currently, it is inside my $PGDATA directory but
> all of its contents are commented out.

It is a template.  This is where the file should be located.

> 2.  I can't find any log files for postgres.  Inside my /var/log/
> directory, there is an empty
> file called pgsql.  What do I have to do to get it to log errors,
> etc.  Is there a difference between normal logging and syslog logging?

Please see the section on Logging (section 9) in README.rpm-dist, which is 
typically installed in /usr/share/doc/postgresql-version.  For example, for 
version 7.4.2, that is /usr/share/doc/postgresql-7.4.2.  The whole section 
To get rollable syslog set up, see the documentation for the file
postgresql.conf, by default in the directory /var/lib/pgsql/data, as relates 
the syslog options.  Then, add a line to /etc/syslog.conf, using the man page
for syslog.conf as a source. Example:
If postgresql.conf has the following lines for the syslog settings:
syslog = 1 # range 0-2
syslog_facility = 'LOCAL0'
syslog_ident = 'postgres'

Then you need to add the line to /etc/syslog.conf:
local0.*			/var/log/postgresql 

Then set up an entry in /etc/logrotate.d to roll postgresql the way you want 

Now, substitute /var/log/pgsql or whatever for the above file (hmmm, I wrote 
that section of the README.rpm-dist, but I though I had changed it to 
be /var/log/pgsql....).

There is other very useful information in README.rpm-dist; you really should 
read that file.
Lamar Owen
Director of Information Technology
Pisgah Astronomical Research Institute
1 PARI Drive
Rosman, NC  28772

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