[syslog-ng] (U) [Non-DoD Source] Re: Rotate syslog-ng log files

Scheidler, Bal√°zs balazs.scheidler at balabit.com
Wed May 30 12:02:31 UTC 2018


Yep, that would give you one logfile every day. It will not care about
whether it reached 500mb though. But on the plus side that gives you a
trivial way to identify which file holds a specific date, which is pretty
cumbersome otherwise.

On May 30, 2018 07:52, "Amin, Jitesh CTR DISA JSP (US)" <
jitesh.amin.ctr at mail.mil> wrote:

> CLASSIFICATION: UNCLASSIFIED
> Hello,
> So here's what currently is configured in our .conf file:
>
> destination syslog { file("/var/log/syslog.log"  perm(0644)); };
>
> what you are saying, is if I want logs to rotate on daily basis, I can
> just make the above line to read as following:
>
> destination syslog { file("/var/log/syslog-${YEAR}-${MONTH}-${DAY}.log");
> };
>
>
> Thanks
> Jitesh Amin
>
>
> CLASSIFICATION: UNCLASSIFIED
>
> -----Original Message-----
> From: Gergely Nagy <algernon at balabit.com>
> Sent: Wednesday, May 30, 2018 7:25 AM
> To: Amin, Jitesh CTR DISA JSP (US) <jitesh.amin.ctr at mail.mil>;
> syslog-ng at lists.balabit.hu
> Subject: [Non-DoD Source] Re: [syslog-ng] (U) Rotate syslog-ng log files
>
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>
>
> ----
>
> Hi!
>
> >>>>> "Amin" == Amin, Jitesh CTR DISA JSP (US) <jitesh.amin.ctr at mail.mil>
> writes:
>
>     Amin> What we are trying to do is rotate the syslog.log file once it
>     Amin> reaches 500 MB (as well as looking into rotating file every 24
>     Amin> hours)? Once the log file rotates, it creates a new file named
>     Amin> syslog.log.0 and so on..
>
> syslog-ng does not support size-based rotation, you'll have to configure
> logrotate for that. See the packaging/debian/syslog-ng-core.syslog-ng.logrotate[1]
> file for an example.
>
>  [1]: Caution-https://github.com/balabit/syslog-ng/blob/master/
> packaging/debian/syslog-ng-core.syslog-ng.logrotate
>
> With logrotate, the most recent logfile syslog-ng writes to will always be
> syslog.log, and the rotated files will have different names - depending on
> the logrotate configuration you use.
>
> For time-based, daily rotation, you can use templates in the destination
> filename, such as:
>
> destination d_syslog {
>   file("/var/log/syslog-${YEAR}-${MONTH}-${DAY}.log");
> };
>
> Hope this helps!
>
> --
> |8]
>
>
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