Published at LXer:
This is the first article in a two-part series that looks at a hands-on approach to monitoring a data center using the open source tools Ganglia and Nagios. In Part 1, see how to install and configure Ganglia, the scalable, distributed monitoring system for high-performance clusters based on a hierarchical design. Also learn how to add more monitoring capability by writing Ganglia plug-ins and by enabling external-source spoofing.
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