mally

Hello all, I'm finding every now and again my sites are down and I have to email the hosting supplier to inform them.

Most of the time its database errors, which don't show up on downforeveryoneorjustme.com

Can I ask what you guys use, the costs and what it detects and does (i,e email/SMS)

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Ashton

I love some of the tools pingdom provide, so there web site monitoring should be good. 30 day risk-free trial available too:

http://www.pingdom.com/

Although, if you're having database errors it would probably best to sort them first (and if its connecting to the database, perhaps a new host!)

monaghan

We resell hyperspin, they have an option to monitor MySQL.

Alternatively, I'm in the process of setting up my own off-site monitor for my servers, I'd be happy to look at monitoring yours on this system (obviously not as many monitoring points than a 3rd party monitoring system, but potentially more customisable)

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ProDomains

I use http://uptimerobot.com/

It is free and does exactly the same as what all the paid services do.

Have used it for about a year now and works great, not a single complaint.

Ashton

UptimeRobot looks good but may not show database errors.

You could make it redirect to a 503 on failed connection to the database, then monitor the redirecting page to see if it redirects?

For example:

Db test.php:

<php
if(!$cxn = mysql_connect("localhost", "username", "password") {
header('Location: http://www.yourdomain.com/noconnection.html');
}
?>

The htaccess that to a 503:

RedirectMatch 503 ^/(?!noconnection\.html)
ErrorDocument 503 /noconnection.html
Header always set Retry-After "18000"

not 100% on this though!

daleduan

I am using FreeWebMonitoring and InternetSeer for my websites. These two offers free services. I'm not really sure if they are exactly what you need.

philliph

If you want to do the monitoring yourself, Nagios is very good

www.nagios.org

A good feature I use for the shared hosting servers I sysadmin is the ability to request a page and give a status code. 200/404/500 etc..

It's easy to link it to an SMS gateway too.

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lethal0r

i use this

http://uptime.solutiongrove.com/uptime/