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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. What you will learn from this book Implement SNMP with Cacti using the Net-SNMP application suite Retrieve raw data from the system using Net-SNMP Create graphs using the RRDtool for easy understanding Add devices to Cacti and use graph templates to monitor your network Use built-in data queries to check the status of your network Import and export your templates and exchange them with the community Create users and assign permissions to them to view or edit graphs Understand how Net-SNMP application suite implements SNMP with Cacti and use Net-SNMP to retrieve raw data from the system, then use the RRDtool to create graphs Understand Cacti's folder structure along with methods of backing up and restoring Use advanced command-line scripts for easy access and managing network Approach With loads of screenshots and illustrations and easy step-by-step instructions, this book is ideal for beginners in the network monitoring business. Who this book is written for 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. About The Author 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, which are the driving point of his technological advances. He worked as a LAMP developer for Quantumcloud – building and implementing an e-commerce solution, content management system, helpdesk and service-oriented application; as Chief Technical Officer he implemented and managed the Linux based internet gateway, mail, backup, revision control and over all security. On the rare occasion he's away from his computer, you can find him reading books in String theory and gaze on math books. He dedicates this book to his parents – Dipty Rani Kundu and Ranjit Kumar Kundu, most extraordinary and beloved ones in his life; because of their love and blessing he is here and continuing his journey. He also thanks his sweet wife Suravi Sarkar for her faithful support in writing this book. He specially thanks his younger brother Shanku, who took care of his Mum and Dad in his absence, and pushed him to reach his goal. S. M. Ibrahim Lavlu is a Linux wizard who has dedicated most of the time his for Linux and open source. All time he is busy with his technical world. He is also expert in PHP. Now working as a software engineer and deployment engineer at somewhere in... 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 among his many tutorials and technical documents.