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 – defining the graph template


  1. Go to Templates | Graph Templates and click on the Add link to the upper right of the page.

  2. Enter Host - Running Processes as the name of the graph.

  3. Enter |host_description| - Running Processes as the Title of the graph template.

  4. Enter processes as the Vertical Label.

  5. Leave everything else as default and click on the Create button. This will create the base graph template for you to work with. As you can see in the following screenshot, some additional fields have been added:

What just happened?

You created your first graph template. There will be two new sections showing up, Graph Template Items, and Graph Item Inputs.

Adding the threshold line

The threshold line will immediately show viewers the value at which the threshold is set and whether the graph is breaching it somewhere. Let's create your new graph template and add this line to it.