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    Cacti 0.8 Network Monitoring
    Cacti 0.8 Network Monitoring
    Cacti 0.8 Network Monitoring
    Ebook239 pages56 minutes

    Cacti 0.8 Network Monitoring

    By Dinangkur Kundu and S. M. Ibrahim Lavlu

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    About this ebook

    With loads of screenshots and illustrations and easy step-by-step instructions, this book is ideal for beginners in the network monitoring business. This book is for anyone who wants to manage a network using Cacti. You don't have to be a Linux Guru to use this book.
    LanguageEnglish
    PublisherPackt Publishing
    Release dateJul 31, 2009
    ISBN9781847195975
    Cacti 0.8 Network Monitoring

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      Book preview

      Cacti 0.8 Network Monitoring - Dinangkur Kundu

      Table of Contents

      Cacti 0.8 Network Monitoring

      Credits

      About the Authors

      About the Reviewers

      Preface

      What this book covers

      Who this book is for

      Conventions

      Reader feedback

      Customer support

      Errata

      Piracy

      Questions

      1. Cacti Overview

      What is Cacti?

      Why Cacti?

      Cacti operation

      Data retrieval

      Data storage

      Data presentation

      Basic knowledge on Net-SNMP

      Basic knowledge on RRDtool

      How does the RRDTool work?

      Summary

      2. Prerequisites and Installing Cacti on Linux

      Cacti's prerequisites

      Installing Cacti prerequisites

      Apache

      PHP

      MySQL

      Net-SNMP

      RRDTool

      Installing Cacti

      Installing Cacti using APT

      RRDTool Binary Path

      PHP Binary Path

      snmpwalk Binary Path

      snmpget Binary Path

      snmpbulkwalk Binary Path

      snmpgetnext Binary Path

      Cacti Log File Path

      SNMP Utility Version

      RRDTool Utility Version

      Installing Cacti from Source/Manual installation

      Upgrading Cacti

      Using APT

      From source

      Patch

      Summary

      3. Using Graphs to Manage Networks and Devices

      Creating graphs

      Adding a device

      Device fields definition

      SNMP support in Cacti

      Creating a graph for the device

      Organizing graphs

      Summary

      4. Creating and Using Templates

      Types of Cacti templates

      Graph templates

      Creating a graph template

      Graph Template Item

      Graph Item Inputs

      Host templates

      Creating host templates

      Using host templates

      Importing templates

      Exporting templates

      Important templates

      Summary

      5. User Management

      User Management console

      Adding a user in Cacti

      Editing a user

      Realm permissions

      Graph permissions

      Graph settings

      Other User Management options

      Deleting users

      Enabling and disabling users

      Copying users

      Batch copying

      Summary

      6. 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 input method

      Creating a data input method

      Input fields

      Output fields

      Data queries

      Creating a data query

      Associated Graph Templates

      SNMP query XML syntax

      Script Query XML

      Creating a graph for single SNMP OID

      Summary

      8. Cacti Management

      Directory structure

      Backup

      File backup

      Database backup

      Restoring from a backup

      Poller cache

      Command Line Interface

      Summary

      Index

      Cacti 0.8 Network Monitoring

      Dinangkur Kundu

      S. M. Ibrahim Lavlu

      Cacti 0.8 Network Monitoring

      Copyright © 2009 Packt Publishing

      All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.

      Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the authors, nor Packt Publishing, and its dealers or distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.

      Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.

      First published: August 2009

      Production Reference: 1280709

      Published by Packt Publishing Ltd.

      32 Lincoln Road

      Olton

      Birmingham, B27 6PA, UK.

      ISBN 978-1-847195-96-8

      www.packtpub.com

      Cover Image by Vinayak Chittar (<vinayak.chittar@gmail.com>)

      Credits

      Authors

      Dinangkur Kundu

      S. M. Ibrahim Lavlu

      Reviewers

      Andrei-Silviu Marinache

      J.P. Pasnak, CD

      Acquisition Editor

      Rashmi Phadnis

      Technical Editor

      Ajay Shanker

      Indexer

      Hemangini Bari

      Editorial Team Leader

      Abhijeet Deobhakta

      Project Team Leader

      Lata Basantani

      Project Coordinator

      Neelkanth Mehta

      Proofreaders

      Claire Lane

      Sandra Hopper

      Production Coordinator

      Aparna Bhagat

      Cover Work

      Aparna Bhagat

      About the Authors

      Dinangkur Kundu is currently working as an IT Support Analyst at Moriah College in Sydney, Australia. He also runs a local business directory for Bangladeshi people and in his free time, develops web sites using concrete5 CMS.

      Dinangkur started his career as a Visual Basic programmer for DEN—a hospital management system development company. Later, he moved to Web programming and spent the majority of his career in the Web arena, using open source technologies that are the driving point of his technological advances. He worked as a LAMP developer for Quantumcloud—building and implementing e-commerce solutions, content management systems, helpdesk, and service oriented applications; as Chief Technical Officer, he implemented and managed Linux-based Internet gateways, mail, backup, revision control, and over all security. On rare occasions, he's away from his computer and you can find him reading books on String theory and gazing at Math books.

      I dedicate this book—Dipty Rani Kundu and Ranjit Kumar Kundu, most extraordinary and beloved ones in my life, because of your love and blessing I am here and continuing my journey.

      I also thank my sweet wife Suravi Sarkar for her faithful support in writing this book. Specially, my younger brother Shanku, who took care of Mum and Dad in my absence, and pushed me to reach my goal.

      I want to thank Rashmi Phandis at Packt Publishing for being so patient with me.

      S. M. Ibrahim Lavlu is a Linux wizard who has dedicated most of his time to Linux and open source. All the time he is busy with his technical world. He is also an expert in PHP. He is currently working as a software engineer and deployment engineer at Net Ltd. He maintains the world's largest Bangla blog community (www.somewhereinblog.net) and also the busiest site of Bangladesh. In his free time, Lavlu shares his knowledge on www.lavluda.com about his many tutorials and technical documents.

      For successfully completing this book, all credit goes to my wife Tania Sabnam (www.tsabnam.com). And special thanks to the Cacti developer team for their great support.

      About the Reviewers

      Andrei-Silviu Marinache is 29 years old, and he has been working with computers since he was 8 years old. He began to like Linux and networks in the 9th grade, at high school. He often skipped classes just to spend a little more time on the Internet, in the high school's informatics laboratory. He has now more than 12 years of network-experience, a Master's in Informatics Security and works as a System Engineer for one of the biggest telecommunication companies in Romania.

      Andrei began to use Cacti when version 0.8 appeared, and since then he continuously tweaked, bug-fixed, and improved it to suit his needs. Some of his patches were made available to the Cacti forum and to the Cacti team.

      I'd like to thank to my wife, because she loves me, even though she can't understand why I sometimes go to sleep at 4 AM, to my mom because she supported me in my career, and to my dad, who built my first computer, a ZX-Spectrum clone.

      J.P. Pasnak, CD is a Technical Analyst working on Operational Support Systems for a Canadian Telecommunications Company, a Senior Non-Commissioned Officer in the Canadian Forces Reserves, an avid supporter of Open Source projects, and a member of the Cacti Group.

      Preface

      Cacti is a web-based, PHP/MySQL graphing solution to monitor network bandwidth with SNMP using the RRDTool engine—developed by Tobi Oeticker who is already the creator of the famous MRTG. RRDtool is a program developed in C and it stores collected data on .rrd files. Cacti's strength lies in the fact that it

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