Book Image

Cacti 0.8 Network Monitoring

Book Image

Cacti 0.8 Network Monitoring

Overview of this book

Cacti is a network monitoring tool that provides graphic solutions to your everyday monitoring issues. It has a wide variety of features and misusing them can mean that you are not monitoring your network as closely as you think. This book takes you through all of the key features of Cacti and shows how to use them for maximum effectiveness. This book will teach you how to use Cacti effectively to monitor your network through its web interface leaving aside all the heavy chunks of code. You will be introduced to all the features of Cacti in an easy-to-understand format. This book introduces Cacti and goes through its complete installation and setup. After a quick look, it will teach you to use Cacti's amazing graph templating and user management features. You will learn to customize graphs and make them better looking and easier to understand. It will teach you to provide the paths to any external script or command using Cacti. Then it will take you through importing and managing new templates and also customizing them. Creating users and assigning permissions to them is the next step in this book. Towards the end, you will learn to take backups and restore the system.

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Cacti 0.8 Network Monitoring
Jul, 2009 | 132 pages
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Table of Contents (13 chapters)
Cacti 0.8 Network Monitoring
Cacti 0.8 Network Monitoring
Credits
Credits
About the Authors
About the Authors
About the Reviewers
About the Reviewers
Preface
Preface
Free Chapter
1
Cacti Overview
Cacti Overview
What is Cacti?
Why Cacti?
Cacti operation
Basic knowledge on Net-SNMP
Basic knowledge on RRDtool
Summary
2
Prerequisites and Installing Cacti on Linux
Prerequisites and Installing Cacti on Linux
Cacti's prerequisites
Installing Cacti
Upgrading Cacti
Patch
Summary
3
Using Graphs to Manage Networks and Devices
Using Graphs to Manage Networks and Devices
Creating graphs
SNMP support in Cacti
Creating a graph for the device
Organizing graphs
Summary
4
Creating and Using Templates
Creating and Using Templates
Types of Cacti templates
Summary
5
User Management
User Management
User Management console
Adding a user in Cacti
Editing a user
Other User Management options
Summary
6
NET-SNMP
NET-SNMP
What is SNMP?
How SNMP works?
Management Information Bases (MIBs)
Comparison of SNMP versions and security
Net-SNMP
Basic Net-SNMP commands
Summary
7
Data Management
Data Management
Data input method
Data queries
SNMP query XML syntax
Script Query XML
Creating a graph for single SNMP OID
Summary
8
Cacti Management
Cacti Management
Directory structure
Backup
Restoring from a backup
Poller cache
Command Line Interface
Summary

Command Line Interface

Though Cacti's frontend is web-based, you can still do some task like rebuild poller cache, add new devices, add graphs, and so on, from the console. Here, I am showing you some basic syntax to maintain Cacti from command line. If you are not an advanced user, just skip this section. To see all the available command line PHP scripts, open the terminal and give this command: 

$ ls /path/to/cacti/cli

You will get some PHP scripts. Some of them are described below:

  1. 1. add_device.php: This script is to add a device.

  2. 2. add_graphs.php: This script is to add graphs.

  3. 3. add_perms.php: This script is to add permissions to tree items.

  4. 4. add_tree.php: This script is to add objects to a tree.

  5. 5. copy_user.php: This is a Cacti user copy utility. It is highly recommended that you use the web interface to copy users as this script will only copy local Cacti users.

  6. 6. poller_graphs_reapply_names.php: This script is to rename a existing graph.

  7. 7. poller_reindex_hosts.php: This...

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