[kw-pm] Scanning Linux logfiles for dropouts

Daniel R. Allen da at coder.com
Thu Jun 3 00:04:17 CDT 2004


Yes please... I'm curious.  Sounds like 'heartbeat' for logfiles...

On Wed, 2 Jun 2004 rprice at freeshell.org wrote:

> Hi,
>
> I just finished a perl program which will detect the dropout of a pattern
> in a syslog type file.
>
>
> Basically you specify the logfile, program, repeat period and pattern, and
> if the pattern fails to show up on time, it syslogs the failure.
>
> I use logcheck on Debian, so I wouldn't want it to email me the info, but
> if someone wanted to add that feature, it would hardly be difficult.
>
>
> I just finished it tonight, so I should let it run for good couple of days
> to make sure it's working before I inflict it on anyone else, but I'd be
> happy to share it with anyone who wanted it.
>
>
> My usage is to ensure that various BoxBackup clients that backup to my
> machine, in fact do so within a reasonable time period.
>
> But it would be useful to check on any periodic thing that you would like
> to watch. For instance, did my backup actually run each night?, if it
> failed, you'd know about it, but what if it failed to run at all, you
> wouldn't get a syslog entry for that...
>
> Have Fun
> Rick
>
>
> On Sat, 29 May 2004, Andrew Kohlsmith wrote:
>
> > > What I want is to be able to detect that one of the clients has not called
> > > in during some relevant time period.
> >
> > > Any ideas?
> >
> > grep out the entries you want and use the date modules to calculate deltas
> > between entries... sound an alarm if the delta is greater than some preset...
> >
> > -A.
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> >
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