logrotate problem (maybe)

Imre Gergely gimre at narancs.net
Sat May 9 08:56:43 UTC 2009


Do any of you guys have a logrotate config file other than the default? 
I have a Hardy server, with postfix/dovecot on it, and I just noticed 
that despite me having set 'monthly' in /etc/logrotate.conf (as the 
global default), the /var/log/mail.* logfiles are still rotated daily.

One of my very first steps when installing a Linux server (centos, 
fedora, and now ubuntu) is to tweak the logrotate config so it rotates 
the logs monthly (when on low traffic server), compresses them and keeps 
  1-3 years of logs. This is MY default tweak and never had a problem 
with it so far (AFAIK ayways).

I was pretty upset when i wanted to install mailgraph to create some 
graph of older logs (I installed this server a couple of months ago) to 
see some mail stats, and found out that I have only a week worth of 

I looked at it for a while, didn't find anything wrong with the config, 
there is no other config in /etc/logrotate.d/ which would mess with 
/var/log/mail.* files, I didn't find any other crontab entry with other 
logrotate scripts, the default logrotate uses /etc/logrotate.conf, the 
machine is pretty much up 24/7, ntp is running, clock is always syncronized.

Logrotate does work, because logs get rotated, for example the apache 
logs are just fine, they get rotated once a month (but then again, there 
is a separate /etc/logrotate.d/apache2 config for them, which I also 
tweaked for monthly rotation).

/var/log/syslog files are also rotated daily and not monthly.

Here is my logrotate.conf file


Maybe it's just some hidden default setting I don't know about, but it 
bothers me that my maillogs are gone and I can't even set it up right. 
It looks to me as if the global default isn't being used, or it's 
overwritten somewhere.


Imre Gergely
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