Change to the
tmp
directory:cd /tmp
Download the stress tool:
wget http://packages.sw.be/stress/stress-1.0.2-1.el5.rf.i386.rpm
Install the package with the
rpm
command:rpm -Uvh stress-1.0.2-1.el5.rf.i386.rpm
Run a stress test for 60 seconds:
stress --cpu 8 --io 4 --vm 2 --vm-bytes 128M --timeout 60s
Go back to Cacti and look at the average load graph. It should show a much higher average load than when you setup the threshold:
In case you did not receive an e-mail, check the configuration of the settings plugin. There may be a misconfiguration or missing entry there.
Cacti 0.8 Beginner's Guide
By :
Cacti 0.8 Beginner's Guide
By:
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
Free Chapter
Installing Cacti
Using Graphs to Monitor Networks and Devices
Creating and Using Templates
User Management
Data Management
Cacti Maintenance
Network and Server Monitoring
Plugin Architecture
Plugins
Threshold Monitoring with Thold
Enterprise Reporting
Cacti Automation for NOC
Mobile Access / Administration
Online Resources
Further Information
Pop Quiz Answers
Index
Customer Reviews