Tsk... that was it after all. I didn't have logging_collector set to on, and thanks to that helpful query you mentioned, I could see that the default was "off". The reason I didn't change it was because I was trying to copy the settings from a server I use at work which does output logging, but there's no logging_collector setting on that version.
I now have a logging file. Thanks for your help :) Thom 2009/1/14 Richard Huxton <d...@archonet.com> > Thom Brown wrote: > > Hi, > > > > I've configured Postgres to log to stderr and defined my log directory > > correctly with permissions to postgres on both user and group. I've > > restarted postgres (not reloaded) but nothinig is coming out. Upon > reading > > the documentation for using stderr, it mentions the need to change the > > system's syslog daemon. > > > > It says it should look something like "local0.* /var/log/postgresql" > > Only if you're logging to syslog. > > > > > I can't find this syslog configuration. I have a file in /etc/syslog-ng > > called syslog-ng.conf which contains the following: > [snip] > > I can't see how I would change this as per the documentation's > > recommendations. Am I looking at the right configuration file? > > You'd probably need to check the syslog-ng manuals. All the syslog > (original) line does is send everything that comes from local0 (which is > what PG logs as) to /var/log/postgresql. > > > I'm using PostgreSQL 8.3.5 on an up-to-date Gentoo. I had a look at this > > problem about 6 months ago and had the same problem, but now I want to > get > > it working. > > What you want in your postgresql.conf is something like: > > log_destination = stderr > logging_collector = on > log_directory = '/var/log/pgsql83' > log_filename = 'postgresql-%Y-%m-%d.log' > log_rotation_age = 1d > > If permissions on /var/log/pgsql83 are correct that should generate a > new log-file every day with the year-month-day in the filename. > > You can check settings from within psql with: "show log_destination;" > etc. or see them in one go: > > SELECT name,setting,unit,category,source FROM pg_settings WHERE name > LIKE 'log%'; > > HTH > > -- > Richard Huxton > Archonet Ltd >