Monitoring is the vital area to keep eye on each resources we use in our infrastructure. Better monitoring provides less service impact and best resource optimization.
Nagios is one of the best monitoring tool which provides capability of monitoring diverse infrastructure. Using Nagios, we can monitor Servers, Netwok, Application and underlying resources. It is very easy to install and manage.

Below are the course content we are going to train you on:


  •  Need of monitoring
  • How servers/resources are monitored
  • Way of monitoring (Agent-less V/S with-Agent)
  • Different monitoring tools
  • Why Nagios as monitoring tool

Nagios Introduction

  • How Nagios works
  • Nagios functional architecture
  • Different terminology in Nagios (Interval/Dependencies/Alarms/Action/Notification)
  • Monitoring models (Polling/Listening)
  • Levels of severity/Thresholds (Normal/Warning/Critical/Unwknown)
  • Nagios Server and Nagios Agent

Nagios Server Set up

  • Nagios Server installation
  • Configuration and settings
  • Creating Checks/Alarm
  • Configuring Hosts/HostGroup/Service/ServiceGroup/Contacts/ContactGroups

Nagios Agent Set up

  • Nagios Agent installation
  • Configuration and settings
  • Customize plugins

Nagios Dashboard

  • Web interface of Nagios monitor
  • Creating view/dashboard
  • Reports (Availability/Trends/Alarm/Notification/Eventlog)

Nagios Plugins

  • What is plugins
  • How it works
  • How we can develop new/customized plugins

Interview Preparations/Q&A