Visão Geral

Este Curso Nagios, ensina aos administradores de sistema como instalar e administrar o Nagios em um ambiente empresarial heterogêneo. Você aprenderá a: projetar uma infraestrutura Nagios sensata; instalar e configurar o Nagios; localizar e implantar plug-ins Nagios para serviços públicos e privados (no Windows e no Linux); solucionar problemas do Nagios; e integrar o Nagios com outros subsistemas de monitoramento (como um sistema de monitoramento SNMP).

Pre-Requisitos

• Experiência de trabalho com o sistema operacional Linux, incluindo instalação de software, compreensão do padrão File System Heirarchy (FHS), cópia de arquivos, edição de arquivos e criação de backups.

Materiais

Conteúdo Programatico

Introduction to Nagios

1. Overview of Nagios
2. Common Use Cases
3. Features & Functionality
4. Extensibility
5. Licensing Restrictions

Installing Nagios

1. Overview of Installation Procedure
2. Understanding & Installing pre-requisites
3. Adding Nagios Accounts & Configuring Security
4. Installing Nagios
5. Installing Nagios Plugins

Understanding the Nagios Configuration Files

1. The Main Nagios Configuration File
2. Understanding Resource File(s)
3. Object Definition File(s)
4. CGI Configuration File(s)

Configuring the Nagios Web Interface (and associated permissions)

Starting and Stopping Nagios (including init scripts)

Configuring & Using Nagios Plugins

1. Understanding the Nagios Plugin model
2. Locating Plugins online
3. Downloading and Installing Plugins
4. Determining How to Use Plugins (--help)
5. Understanding Nagios Macros
6. Configuring & Using Basic Plugins with Macros
7. Configuring Nagios Plugins
8. Host Checks
9. Verification of Services
10. Passive Checks
11. Handling Transient Failures/Errors (SOFT/HARD states)
12. Controlling Check Frequency and Timeouts
13. Monitoring Windows System States (private services)
14. Installing NSClient++
15. Configuring the check_nt Plugin
16. Configuring the Windows Agent
17. Configuring Authentication Credentials

Configuring Email Notifications with Nagios

Configuring Nagios Event handlers

1. Understanding Local and Global Event Handlers
2. Defining Commands for Event Handlers
3. Basic Event Handler Scripts
4. Debugging Event Handlers
5. Firing SNMP Traps with Event Handlers

Monitoring Common Services with Nagios

1. Monitoring PostgreSQL with Nagios
2. Monitoring MySQL with Nagios
3. Monitoring Apache with Nagios
4. Monitoring SMTP with Nagios
5. Monitoring IMAP with Nagios
6. Monitoring POP with Nagios
7. Monitoring NFS with Nagios
8. Monitoring Printers with Nagios
9. Monitoring Switches with Nagios
10. Monitoring Routers with Nagios

Modelling the Network in Nagios

1. Adding Connectivity Information
2. Understanding Nagios Parent/Child host relationships.

Creating Custom Nagios Plugins

1. Understanding Plugin Return Codes
2. Understanding Plugin Output Requirements