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@xxxxxxxxxx"
>
> 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
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Remember, ignorance is bliss, but
willful ignorance is LIBERALISM !!!!
