The Best Nagios eBooks of All Time

Key FeaturesPacked with tips, tricks and illustrations, the book will explain the configuration and monitoring concepts in a simplified mannerExperience the scalability and flexibility of Nagios in a very practical and easy-to-understand approach.Unleash the power of Nagios Core and Nagios XI 5 to monitor and secure your infrastructure with ease.Book DescriptionNagios, a powerful and widely used IT monitoring and management software for problem -solving. It detects problems related to your organizations infrastructure and helps in resolving the issue before it impacts the business.

Following the success of the previous edition, this book will continue to help you monitor the status of network devices and also notify the system administrators of network problems. Starting with the fundamentals, the book will teach you how to install and configure Nagios for your environment. The book helps you learn how to end downtimes, adding comments and generating reports using the built-in Web interface of Nagios. Moving on, you will be introduced to the third-party web interfaces and applications for checking the status and report specific information. As you progress further in Learning Nagios, you will focus on the standard set of Nagios plugins and also focus on teach you how to efficiently manage large configurations and using templates. Once you are up to speed with this, you will get to know the concept and working of notifications and events in Nagios. The book will then uncover the concept of passive check and shows how to use NRDP (Nagios Remote Data Processor). The focus then shifts to how Nagios checks can be run on remote machines and SNMP (Simple Network Management Protocol) can be used from Nagios. Lastly, the book will demonstrate how to extend Nagios by creating custom check commands, custom ways of notifying users and showing how passive checks and NRDP can be used to integrate your solutions with Nagios. By the end of the book, you will be a competent system administrator who could monitor mid-size businesses or even large scale enterprises. What you will learnSet up and use the built-in Nagios web interfaceUpskill the additional interfaces available for Nagios to monitor your IT infrastructureLearn how to perform various checks using both, Nagios standard plugins and third-party pluginsExplore the working of notifications and events in NagiosFamiliarize yourself with SNMP and use it for monitoring devices such as routers, switches, modems and printersDiscover how can be Nagios can be customized and tailored to your needsGet to know more about the entreprise version of Nagios, Nagios XI.

Key FeaturesMaster the advanced configuration techniques of Nagios Core to model your network better by improving hosts, services, and contactsFilter and improve the notifications that Nagios Core sends in response to failed checks, which can greatly assist you when diagnosing problemsPull Nagios Core's data into a database to write clever custom reports of your own deviseBook DescriptionNagios Core is an open source monitoring framework suitable for any network that ensures both internal and customer-facing services are running correctly and manages notification and reporting behavior to diagnose and fix outages promptly.

It allows very fine configuration of exactly when, where, what, and how to check network services to meet both the uptime goals of your network and systems team and the needs of your users. This book shows system and network administrators how to use Nagios Core to its fullest as a monitoring framework for checks on any kind of network services, from the smallest home network to much larger production multi-site services. You will discover that Nagios Core is capable of doing much more than pinging a host or to see whether websites respond. The recipes in this book will demonstrate how to leverage Nagios Core's advanced configuration, scripting hooks, reports, data retrieval, and extensibility to integrate it with your existing systems, and to make it the rock-solid center of your network monitoring world. What you will learnManage the configuration of Nagios Core with advanced techniques to achieve fine detail in your checksFind, install, and even write your own check pluginsFilter notifications to send them to the right people or programs at the right timeWork around difficult network accessibility issues and delegate checks to other machinesTweak a Nagios Core server to achieve both high performance and redundancy in case of disasterProcess the results of checks performed by other machines to monitor backups and similar processesExtend Nagios Core to allow advanced scripting, reporting, and network visualization behaviorAbout the AuthorTom Ryder is a systems administrator and former web developer from New Zealand. He uses Nagios Core as part of his "day job" as a systems administrator, monitoring the network for a regional Internet service provider. Tom works a great deal with Unix-like systems, being a particular fan of GNU/Linux, and writes about usage of open source, command-line development tools on his blog, Arabesque, at http://blog.sanctum.geek.nz. Table of ContentsUnderstanding Hosts, Services, and ContactsWorking with Commands and PluginsWorking with Checks and StatesConfiguring NotificationsMonitoring MethodsEnabling Remote ExecutionUsing the Web InterfaceManaging Network LayoutManaging ConfigurationSecurity and PerformanceAutomating and Extending Nagios Core.

Good system administrators recognize problems long before anyone asks, "Hey, is the Internet down?" Nagios, an open source system and network monitoring tool, has emerged as the most popular solution for sys admins in organizations of all sizes. It's robust but also complex, and Nagios: System and Network Monitoring, 2nd Edition, updated to address Nagios 3.0, will help you take full advantage of this program. Nagios, which runs on Linux and most *nix variants, can be configured to continuously monitor network services such as SMTP, POP3, HTTP, NNTP, SSH, and FTP.

It can also supervise host resources (processor load, disk and memory usage, running processes, log files, and so on) and environmental factors, such as temperature and humidity. This book is your guide to getting the most out of this versatile and powerful monitoring tool. Inside Nagios, you'll learn how to: Install and configure the Nagios core, all standard plugins, and selected third-party pluginsConfigure the notification system to alert you of ongoing problems-and to alarm others in case of a serious crisisProgram event handlers to take automatic action when trouble occursWrite Perl plugins to customize Nagios for your unique needsQuickly understand your Nagios data using graphing and visualization toolsMonitor Windows servers, SAP systems, and Oracle databases. The book also includes a chapter that highlights the differences between Nagios versions 2 and 3 and gives practical migration and compatibility tips. Nagios: System and Network Monitoring, 2nd Edition is a great starting point for configuring and using Nagios in your own environment. About the Author. Wolfgang Barth has written several books for professional network administrators, including Firewall (Suse Press), Network Analysis (Suse Press), and Backup Solutions with Linux (Open Source Press). He is a professional system administrator with considerable experience using Nagios.