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Can anyone recommend a good third party service that can notify you when your webserver is down?

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closed as off topic by sysadmin1138 Jan 5 '12 at 3:26

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duplicate? serverfault.com/questions/66897/… –  warren Oct 21 '09 at 5:41
    
and similar to this SU q - superuser.com/questions/19126/… –  warren Oct 21 '09 at 5:42
    
serverfault.com/questions/1014/… –  warren Oct 21 '09 at 5:43
    
Warren, could it be that you are hinting that posters should do a search before posting? What a novel idea. –  John Gardeniers Oct 21 '09 at 6:45
    
Product and service recommendations are specifically off topic for ServerFault (see point 4 in the NOT About section of the FAQ) –  sysadmin1138 Jan 5 '12 at 3:26
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6 Answers

up vote 1 down vote accepted

I signed up for a Pingdom account a few days ago for a new site, and have found it to be really good. I signed up for their "Basic" Account, which includes 5 checks, 20 SMS alerts (could be higher) and unlimited emails for $9.95/month. I haven't been able to test how effective it is at alerting me when the server is down, as I have luckily not had any downtime on my site.

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+1. We rely on Pingdom for monitoring a pretty high-profile web site. It never let us down. –  Max Alginin Oct 21 '09 at 6:08
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Here is simple service:

Down Notifier http://downnotifier.appspot.com/

1) it's free! 2) it's easy to start (10 seconds to subscribe to notification) 3) it's really easy! no need to register.

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AlertFox offers web monitoring plus web transaction monitoring. It runs the tests in real IE and Firefoxm, and you receive a screenshot of the site when an error is detected - very useful. It proved useful to convince our sys admin that there was indeed an error on "his" server (php update bug) :D

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https://www.alertsite.com for example, but usually these are not for free. Actually if somebody can recommend a free solution i am also interested.

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I use Watchmouse. It costs about $50 a month to monitor 2 IP addresses.

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Montastic gives you some very basic but free monitoring.

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