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Practical Ruby for System Administration by André Ben Hamou

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Chapter 9. Network Monitoring

Networks are full of metadata that is useful to techies and management alike. So often this data sits and rots because nobody has the time or the inclination to bring it together and use it effectively.

Processing the kinds of operational data found in a live network can most easily be broken down into three modular stages: how to gather it, how to analyze it, and how to present it. This chapter discusses all three.

In the first section, I cover how to use SNMP and SSH to pull data out of the network. In the second section, I discuss some important real-world analysis concerns. The third and final section addresses some relatively simple ways to present the data so that meaningful conclusions might be drawn from it. ...

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