[CentOS] Recommendation On Ping And Alert Tool

Steven Vishoot sir_funzone at yahoo.com
Thu Sep 22 21:45:58 UTC 2005



--- "William A. Mahaffey III" <wam at HiWAAY.net> wrote:

> CentOS mailing list wrote:
> 
> > Kennedy Clark wrote:
> >
> >> A bit off topic, but I keep looking for an answer
> to this question 
> >> and coming up with nothing... so I thought I
> would go to the gurus. :-)
> >>  
> >> Can anyone recommend a good package for pinging
> other devices and 
> >> sending an email/alert when they go down?  I'm
> aware of all kinds of 
> >> more complex things with GUIs and a zillion other
> bells and whistles 
> >> we aren't looking for, but we just want a simple
> tool (could be 
> >> daemon or something run from cron) that runs
> every 1 - 5 minutes and 
> >> alerts us when stuff disappears.  Would need some
> basic logic like 
> >> only sending one email/alert when something goes
> down (vs sending an 
> >> email every 1-5 minutes until it comes back up).
> :-)  We need to 
> >> avoid a requirement for an X-windows GUI, but a
> web-GUI would 
> >> probably be fine (a GUI-less command-line thing
> would probably be best).
> >
> >
> > Bash. Here is what I use for monitoring my website
> >
> > #!/bin/bash
> >
> > URL="http://www.911networks.com"
> > EMAIL="artsi at fartsi.com"
> >
> > lynx -dump "$URL" > /dev/null
> > if [ $? -ne 0 ]; then
> >     echo "`date "+%F %T"` - $URL is down" | mail
> -s "$URL is down" $EMAIL
> > fi
> >
> > Watch for the wraps and make it executable [chmod
> 7xx]
> >
> >
> 
> This is the sort of thing I was going to suggest.
> You could go 1 better 
> & have it resubmit itself periodically w/ at(1).
> Maybe get it to do some 
> argument parsing so you could pass in the URL,
> EMAIL, then invoke plural 
> instances for however many things you want to
> monitor ....
> 
> -- 
> 	William A. Mahaffey III
>
---------------------------------------------------------------------
> 	Remember, ignorance is bliss, but
> 	willful ignorance is LIBERALISM !!!!
> 
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My question is wouldnt this keep on sending emails all
the time ping keeps on seeing it is down. I thought
one of the requirements was once for each occurance? I
probably am reading this wrong...

Steven
 

"On the side of the software box, in the 'System Requirements' section, it said 'Requires Windows or better'. So I installed Linux."



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