Cacti 0.8 Network Monitoring. Monitor your network with ease! Katowice

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. Spis treści: Cacti 0.8 Network Monitoring 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 Cactis 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