Book Image

Cacti 0.8 Beginner's Guide

By : Thomas Urban
Book Image

Cacti 0.8 Beginner's Guide

By: Thomas Urban

Overview of this book

Cacti is a performance measurement tool that provides easy methods and functions for gathering and graphing system data. You can use Cacti to develop a robust event management system that can alert on just about anything you would like it to. But to do that, you need to gain a solid understanding of the basics of Cacti, its plugin architecture, and automation concepts. Cacti 0.8 Beginner's Guide will introduce you to the wide variety of features of Cacti and will guide you on how to use them for maximum effectiveness. Advanced topics like the plugin architecture and Cacti automation using the command-line interface will help you build a professional performance measurement system.Designed as a beginner's guide, the book starts off with the basics of installing and using Cacti, and also covers the advanced topics that will show you how to customize and extend the core Cacti functionalities. The book offers essential tutorials for creating advanced graphs and using plugins to create enterprise-class reports to show your customers and colleagues. From data templates to input methods and plugin installation to creating your own customized plugins, this book provides you with a rich selection of step-by-step instructions to reach your goals. It covers all you need to know to implement professional performance measurement techniques with Cacti and ways to fully customize Cacti to fit your needs. By the end of the book, you will be able to implement and extend Cacti to monitor, display, and report the performance of your network exactly the way you want.
Table of Contents (23 chapters)
Cacti 0.8Beginner's Guide
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Pop Quiz Answers
Index

Time for action – creating the data input method


  1. Create a data input method.

  2. Enter Unix - Remote IOStats Command as the Name.

  3. Select Script/Command as Input Type.

  4. Enter perl <path_cacti>/scripts/diskIo.pl <host> <user> <sshKey> <diskDevice> as the Input String.

  5. Click on the Create button.

  6. Click on the Add link at the Input Fields section.

  7. Select host as the Field [input].

  8. Enter Hostname as the Friendly Name.

  9. Enter hostname as the Special Type Code.

  10. Click on the Create button.

  11. Add the other input fields by only adding a Friendly Name.

  12. Add the output fields for Reads,Writes,ReadsKb,WritesKb, and ioUtil.

What just happened?

You've just created the data input method for retrieving the output from the iostats command of a remote system. You've defined the input fields such as the remote username to use for logging in to the system, as well as the location of the SSH key which you defined earlier. The data retrieved from this command will be stored in the output fields which...