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  • Sanjiv Singh thinks this is interesting:

Having a strict limit to watch is much better, because you always catch a problem regardless of whether it turns from warning to critical in 15 minutes or in a week. This is exactly what Nagios does. Each check performed by Nagios is turned from numeric values (such as the amount of disk space or CPU usage) to one of the three possible states.

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Cover of Learning Nagios 4

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