Course Outline

Introduction

  • Overview of Nagios
  • History and evolution of Nagios
  • Importance in network monitoring
  • Overview of Nagios XI and Nagios Core

Installation and Configuration

  • System requirements
  • Installing Nagios XI and Nagios Core
  • Basic configuration
  • Understanding the Nagios configuration files

Monitoring Basics

  • Monitoring hosts and services
  • Understanding check commands
  • Configuring notifications
  • Understanding host and service states

Advanced Monitoring Techniques

  • Using plugins and NRPE
  • Monitoring remote hosts
  • Monitoring network services and protocols
  • Implementing custom check commands

Alerting and Notifications

  • Configuring email and SMS notifications
  • Escalation management
  • Event handlers in Nagios
  • Creating effective notification strategies

Visualization and Reporting

  • Understanding Nagios graphs and maps
  • Customizing dashboards
  • Scheduled reporting
  • Analyzing trends and performance data

Maintenance and Administration

  • Managing users and contacts
  • Performing regular maintenance tasks
  • Backup and disaster recovery strategies
  • Updating and upgrading Nagios

Advanced Topics

  • Integrating Nagios with third-party tools
  • Performance tuning and optimization
  • Implementing high availability and redundancy
  • Security best practices in Nagios

Preparing for the Nagios Certified Professional Exam

  • Overview of the registration and certification process
  • Study tips and resources

Summary and Next Steps

Requirements

  • Basic understanding of Nagios
  • Knowledge of Linux systems and networking

Audience

  • System administrators
  • IT professionals
 21 Hours

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