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 – setting graph permissions


You will now add the permission to your user to view the default tree.

  1. Got to Utilities | User Management and click on your user.

  2. Click on the Graph Permissions tab. The bottom of the page will change and allow you to configure the graph permissions.

  3. Add the Default Tree to the Tree Permissions section.

  4. Leave the Default Policy for the tree permissions to Deny and change all other default policies to Allow.

  5. Click on the Save button.

What just happened?

You just allowed your user to view all the graphs that have been added to the default tree. The default policy defines the default access granted for a user. By adding the Default tree to the list, access to it is allowed. This is also reflected by the blue characters in front of the tree. If you change the default policy to Allow, your user will have access to all trees except the default tree and the characters will change their color to red.

Denying or allowing access to a tree does not automatically...