Advanced Nagios

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

Audience

• System administrators

Nagios is an IT system monitoring tool that monitors a network for issues and resolves IT infrastructure problems.

This instructor-led, live training (online or onsite) is aimed at intermediate-level systems administrators who wish to learn and utilize the advanced features and components of Nagios for IT monitoring.

By the end of this training, participants will be able to:

• Understand Nagios architecture, components, and advanced monitoring strategies.
• Implement advanced service monitoring and extend Nagios functionality.
• Explore Nagios add-ons and advanced techniques.

Format of the Course

• Interactive lecture and discussion.
• Lots of exercises and practice.
• Hands-on implementation in a live-lab environment.

Course Customization Options

• To request a customized training for this course, please contact us to arrange.

Introduction

• Overview of Nagios architecture and components
• Review of Nagios basic concepts
• Understanding advanced monitoring concepts and strategies

Getting Started

• Configuring Nagios Core
• Advanced configuration options
• Configuring host and service dependencies
• Implementing host and service groups

Advanced Service Monitoring

• Using Nagios plugins and NRPE (Nagios Remote Plugin Executor)
• Monitoring remote hosts and services
• Implementing service checks with performance data
• Configuring service escalations and notifications

Host and Service Templates

• Creating and utilizing host and service templates
• Implementing template inheritance
• Managing large-scale Nagios configurations with templates

Event Handlers and Actions

• Understanding event handlers in Nagios
• Implementing event handlers for automatic problem resolution
• Customizing actions based on service and host states

Advanced Notifications and Alerting

• Configuring advanced notification options
• Customizing email and SMS notifications
• Integrating Nagios with third-party notification tools

Performance Monitoring and Graphing

• Introduction to Nagios Grapher
• Setting up performance data collection
• Creating graphs and trend analysis

High Availability and Redundancy

• Designing and implementing a redundant Nagios architecture
• Clustering and failover strategies
• Configuring distributed monitoring with NSCA

Nagios XI: Enterprise Monitoring Solution

• Overview of Nagios XI features and benefits
• Installing and configuring Nagios XI
• Advanced configuration and administration in Nagios XI

Advanced Plugin Development

• Developing custom Nagios plugins
• Implementing plugin performance data
• Debugging and testing custom plugins

Nagios Integration

• Integrating Nagios with log monitoring tools
• Incorporating Nagios into IT service management (ITSM) systems
• Using Nagios in a DevOps environment

Troubleshooting and Best Practices

Summary and Next Steps