From owner-freebsd-questions  Tue Feb 27  7:27:18 2001
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Date: Tue, 27 Feb 2001 10:26:49 -0500
From: Michael Lucas <mwlucas@blackhelicopters.org>
To: Fernando Gleiser <fgleiser@cactus.fi.uba.ar>
Cc: freebsd-questions@FreeBSD.ORG
Subject: Re: "if syslogd message appears, email immediately" program?
Message-ID: <20010227102649.A37911@blackhelicopters.org>
References: <20010227100357.A37783@blackhelicopters.org> <Pine.LNX.4.21.0102271224550.12264-100000@mail.it.com.ar>
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In-Reply-To: <Pine.LNX.4.21.0102271224550.12264-100000@mail.it.com.ar>; from fgleiser@cactus.fi.uba.ar on Tue, Feb 27, 2001 at 12:27:52PM -0300
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Fernando,

I've tried this before, and wound up with a perl process that sucked
up megs of RAM.  This system runs for months without rebooting.

Also, what happens when the log rotates?

On Tue, Feb 27, 2001 at 12:27:52PM -0300, Fernando Gleiser wrote:
> On Tue, 27 Feb 2001, Michael Lucas wrote:
> 
> > Hello,
> > 
> > I'm trying to find a program that watches syslogd continuously, and if
> > a certain daemon makes a log entry it sends an email.
> > 
> > We need this in real time, so logsurfer (or any other cron process)
> > won't do it.
> > 
> > Surely someone has written this before?
> 
> You can do that with a 20-less lines perl script. It is something like:
> 
> #!/usr/bin/perl -w
> 
> open LOG, "tail -f yourlogfile |";
> 
> while (<LOG>) {
> 
>         if ($_=~/putyourpatternhere/) {
>                 system ('mail -s "alarm !!" you@yourdomain');
>         }
> }
> 
> Hope this helps.
> 
> 
> 			Fer
> 
> 
> > 
> > Thanks,
> > Michael
> > 
> > 

-- 
Michael Lucas
mwlucas@blackhelicopters.org
http://www.blackhelicopters.org/~mwlucas/
Big Scary Daemons: http://www.oreillynet.com/pub/q/Big_Scary_Daemons

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