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Zenoss Core 3.x Network and System Monitoring by Michael Badger

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Availability and performance monitors

By using ICMP and SNMP monitoring, Zenoss Core reports on the availability of the following:

  • Network devices
  • TCP/IP services and ports
  • URL availability
  • Windows services and processes
  • Linux/UNIX processes

Zenoss Core is Level-3 network topology aware, which reduces the amount of alert chatter by creating an event about the problem device only and not about the devices that depend on it.

Performance monitors collect time series data and provide us with a graphical analysis of the following components:

  • File system statistics
  • CPU and memory usage
  • JMX monitoring for J2EE servers (available via a ZenPack)
  • Nagios and Cacti plugin support

The following screenshot shows a graph based on Zenoss Core's monitoring activity:

Using ...

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