Date: Sun, 18 Aug 2002 13:29:43 +0100 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: sroberts@dsl.pipex.com Cc: Matthew Seaman <m.seaman@infracaninophile.co.uk>, FreeBSD Questions <freebsd-questions@FreeBSD.ORG> Subject: Re: How to add service to log in newsyslog.conf? Message-ID: <20020818122943.GE2079@happy-idiot-talk.infracaninophi> In-Reply-To: <1029669916.5163.5.camel@Demon.vickiandstacey.com> References: <1029631750.38776.229.camel@Demon.vickiandstacey.com> <20020818110909.GC2079@happy-idiot-talk.infracaninophi> <1029669916.5163.5.camel@Demon.vickiandstacey.com>
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On Sun, Aug 18, 2002 at 12:25:14PM +0100, Stacey Roberts wrote:
> I wasn't sure about the PID column and how to use it, didn't mean to
> waste anyone's time here.
You only need to use the PID column for daemons that run persistently
and log directly (ie. not via syslog(2)) to a file to which they keep
an open file descriptor. The daemon also needs to be programmed so
that it will re-open its log files on receipt of a signal --- usually
SIGHUP, but not always. Sending a SIGHUP to syslogd(8) is handled
automatically by newsyslog(1), so you don't need to add any extra
configuration to support that.
For instance, apache httpd fulfils those criteria, and I have:
# Nb. signal 30 == SIGUSR1 => graceful restart of apache
#
/var/log/httpd-access.log 644 20 100 * Z /var/run/httpd.pid 30
You can see if a daemon has a log file open for writing by using the
fstat(1) command:
happy-idiot-talk:~:% fstat /var/log/messages
USER CMD PID FD MOUNT INUM MODE SZ|DV R/W NAME
root syslogd 92 8 /var 170 -rw-r--r-- 114 w /var/log/messages
Since you're (presumably) running ftpd(8) out of inetd(8), which means
that ftpd(8) doesn't run continually, you don't need to worry about
signalling it to close and re-open its log files. The config you've
set up will be fine.
Cheers,
Matthew
--
Dr Matthew J Seaman MA, D.Phil. 26 The Paddocks
Savill Way
Tel: +44 1628 476614 Marlow
Fax: +44 0870 0522645 Bucks., SL7 1TH UK
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