Welcome to the Nagios Library

The Nagios Library serves as a central knowledge place for tutorials, videos, tech tips, and best practice information on Nagios.

Access to some portions of the Nagios Library content is granted only to current Nagios customers. You'll gain access to member-only material when you purchase commercial Nagios products and services.

Direct links to commonly accessed materials are listed below:

• Products Section
  
  • Nagios XI
  • Nagios Fusion
  • Nagios Incident Manager
  • Nagios Core
• Self-Paced Training
  
  • Topics - Videos and materials organized by topic
  • Materials - Individual training videos
  • Videos- Individual training materials (documents, certification preparation guides, etc.)
• Conference Videos

• Using the Negate Plugin

  This document is provided to assist Nagios administrators in understanding and working with the negate plugin, which allows for any standard plugin output to be reversed.

  The intended audience for this document are administrators with hosts or services that are expected to be in a critical or warning state but wish to show them as OK and vice-versa.

• Authenticating with Active Directory in Nagios XI

  This document describes how to use the Active Directory component to allow user authentication and validation with Active Directory infrastructure through the Nagios XI interface.

  It is intended for Nagios administrators wishing to allow users to authenticate with the same username and password in Windows that they have in Nagios.

• NRPE Troubleshooting and Common Solutions

  This document describes how to troubleshoot NRPE agent issues. It covers solutions to common problems/errors and general troubleshooting tips. Additionally, it provides a simple framework to systematically drill down problems with NRPE.

  This document is intended for admins who are having issues with the NRPE agent on Linux platforms. It assumes that you have some basic knowledge of how NRPE works, that you have installed and created a base configuration.

• Source Based NRPE Installation and XI

  This document describes how to install and configure NRPE from source for use with NagiosXI.

   

  This document is intended for admins who are new to NRPE or Nagios XI, and have to use a source-based install method of NRPE. (usually due to unsupported Linux distributions or security restrictions in corporate build environments)

• Nagios Certified Administrator - Core - Exam Prep Guide

  This 160-page guide is designed to prepare the reader for the Nagios Certified Administrator - Core certification exam. The guide covers aspects of installing and managing Nagios Core on a daily basis. More information on Nagios certification is available at http://www.nagios.com/services/certification

  Note: This guide is only available to customers who have purchased a self-paced training subscription.

• Installing Nagios Core From Source

  This documentation describes how to install Nagios Core from source on CentOS, Ubuntu, and RHEL.

   

• Nagios Certified Professional - Core - Exam Prep Guide

  This 150-page guide is designed to prepare the reader for the Nagios Certified Professional - Core certification exam. The guide covers aspects of understanding Nagios Core and using its features and functionality on a daily basis. More information on Nagios certification is available at http://www.nagios.com/services/certification

  Note: This guide is only available to customers who have purchased a self-paced training subscription.

• Passive Monitoring with NRDS

  Nagios Remote Data Sender, or NRDS is a component installed on a Nagios XI server that allows the administrator to create and manage configurations and plugins to be deployed with a passive agent that can be installed on a variety of operating systems.  The passive agents downloads the current configuration and the required plugin from the Nagios XI server and run the checks and posting the results to the XI server.

• Nagios Remote Data Sender (NRDS) Tutorial

  This video tutorial demonstrates Nagios Remote Data Sender, or NRDS. NRDS is a component installed on a Nagios XI server that allows the administrator to create and manage configurations and plugins to be deployed with a passive agent that can be installed on a variety of operating systems. The passive agents downloads the current configuration and the required plugin from the Nagios XI server and run the checks and posting the results to the XI server.

• Using Nagios As A Security Tool - Website Defacement

  This video is a Part 1 of the series on using Nagios as a security tool. It will show you how to use Nagios XI to monitor your website for a specific string.