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Possible Duplicate:
What tool do you use to monitor your servers?

I want to monitor around 30-50 servers. This includes:

  • Is MySQL running?
  • Is Apache2 running?
  • How high is the ping?

If any of the Services fail (not pingable, MySQL down, ...) i want to receive an email with a detailed status report.

I'd love to see a nice web interface, too :)

Further: I want the system to try to reboot the server (at the moment, when a server fails i have to reboot it manually).

Is this possible, if yes, how?

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3 Answers 3

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There are several tools in the space. Depending on how complex your problem and how much you want to learn will determine the solution. Nagios was mentioned by @Matteo. It is a very good tool, cross-platform, very powerful and a bit complex on the config side.

ZenOSS is supposedly simpler to configure.

Monit is lighter-weight and capable of handling your tasks. All three have the capability to notify and take remediaton actions.

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Nagios is an option. It has many plugins to check for processes, network, ... It has a web interface and you can define, in addition to the notifications also actions to be performed.

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Another possible solution is Zabbix - it has lots of features, can be fully managed through web-based front-end and is easier for configuration than Nagios. Moreover, it can run remote commands, so it will be pretty easy to restart services (or the whole server) upon failure.

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