[CentOS] Recommendation On Ping And Alert Tool
William A. Mahaffey III
wam at HiWAAY.net
Fri Sep 23 12:07:47 UTC 2005
Steven Vishoot wrote:
>--- "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 !!!!
>>
>>_______________________________________________
>>CentOS mailing list
>>CentOS at centos.org
>>http://lists.centos.org/mailman/listinfo/centos
>>
>>
>>
>
>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."
>_______________________________________________
>
>
>
It wouldn't have to. You would probably structure the script to E-mail
if the device was down & then exit. It would re-submit itself if the
device were up :-).
--
William A. Mahaffey III
---------------------------------------------------------------------
Remember, ignorance is bliss, but
willful ignorance is LIBERALISM !!!!
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