Date: Thu, 24 Apr 2003 19:00:10 +0100 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: admin2 <admin2@enabled.com> Cc: freebsd-questions@freebsd.org Subject: Re: newsyslog configuration issues Message-ID: <20030424180010.GA83485@happy-idiot-talk.infracaninophi> In-Reply-To: <20030424173133.M5943@enabled.com> References: <20030424173133.M5943@enabled.com>
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On Thu, Apr 24, 2003 at 09:32:50AM -0800, admin2 wrote:
=20
> FreeBSD 4.7 Stable
>=20
> can anybody recommend how to properly configure newsyslog for log files t=
hat
> are constantly opened and written. Some of my log files rotate but the n=
ew
> log file can never written to.
It depends which process is holding an open descriptor on the file.
Many daemons can be persuaded to restart on receipt of a signal --
that includes closing and reopening logfiles. Check man pages to see
if it's possible and what signal to use for the purpose.
For example, apache can be persuaded to do a graceful restart on
receipt of a SIGUSR1 (signal 30), so the following newsyslog.conf line
will prevent the httpd-access.log growing without bound:
/var/log/httpd-access.log 644 20 100 * Z /var/=
run/httpd.pid 30
If your process doesn't support this sort of restart, and you can't
configure it to log via syslog, but you can log to a pipe rather than
a regular file, then you may be able to use something like cronolog --
(ports/sysutils/cronolog, http://www.cronolog.org/)
Cheers,
Matthew
--=20
Dr Matthew J Seaman MA, D.Phil. 26 The Paddocks
Savill Way
PGP: http://www.infracaninophile.co.uk/pgpkey Marlow
Tel: +44 1628 476614 Bucks., SL7 1TH UK
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