Logrotate - daily log files for a month

[Andrew Kelly]

On Thu, 2007-08-23 at 16:15 +0100, John Horne wrote:
> On Thu, 2007-08-23 at 09:58 -0500, Mikkel L. Ellertson wrote:
> > John Horne wrote:
> > > Hello,
> > > 
> > > Using Fedora 7, I am trying to see how we can rotate some log files each
> > > day, but keep a month's worth of files.
> > > 
> > > Logrotate can rotate the files daily, and I can specify something like:
> > > 
> > >    daily
> > >    start 1
> > >    rotate 30
> > > 
> > > But this does not account for month's of 31 days, or February with 28/29
> > > days. Likewise if I set 'rotate 31' then this is not going to work on
> > > those months of just 30 days.
> > > 
> > > Does anyone have any ideas about this?
> > > 
> > > 
> > > Thanks,
> > > 
> > > John.
> > > 
> > You can control how many old log files are kept by changing "rotate
> > 4" to how many weeks of backlogs you want to keep, This is in
> > /etc/logrotate.conf. You can control individual logs by editing the
> > corresponding file in /etc/logrotate.d and adding/changing the
> > rotate line. You can find more information by running "man logrotate".
> > 
> ? We want daily log files, so setting 'rotate 4' will only give us 4 log
> files. Using weeks is no good because a month is not a fixed number of
> weeks - 30 and 31 days are not 4 weeks and vice-versa.
> 
> 
> John.

Hi John,

the short answer, which I haven't seen anybody yet give you, is,
logrotate can't do what you want to do. You're going to have to take
care of things yourself with some scripting.

Andy