Nagios Training


Nagios Core, the open source version of the Nagios monitoring framework, is an industry standard for network monitoring hosted on Unix-like systems, such as GNU/Linux or BSD. It is very often used by network and system administrators for checking connectivity between hosts and ensuring that network services are running as expected.

scmGalaxy is an incomparable source of Nagios courses, training and certification. Our Nagios trainers, mentors and consultants are highly skilful with more than 15 years of rich experience in the Software industry. DevOps! Which has captured a notable position in the IT world and has become a principal part of software engineering methodology. In order to upgrade the software quality, reducing cost and increased the agility for faster release, DevOps and Nagios is playing very principal role thus finding the incomparable Nagios trainers and training vendor is very much important.

Our Nagios courses are designed in certain method where participants can get benefits with more content in less span of time. scmGalaxy provide their services in terms of Nagios training and courses online and classroom in India and abroad. We run many public classrooms training program in the Bangalore, Hyderabad, Pune, Mumbai, India, Netherlands etc.

The aim of Nagios Core Administration course is to get administrators excited about the possibilities of Nagios Core beyond elementary default checking behavior, so that they can use much more of the framework’s power, and make it into the centerpiece of their network monitoring. Highlighting all of the different means of refining and controlling checks, notifications, and reporting for Nagios Core.


  • Understand the Network Security
  • Understand the Network Monitoring Tools
  • Comprehend the Requirements of a System
  • Comprehend the Plug-in & Add-ons
  • Comprehend the Nagios Dependencies
  • Install Nagios
  • Comprehend the Configuration of CGI
  • Comprehend the Xinetd Modification for NRPE
  • Comprehend the Configuration of Hostgroup
  • Comprehend the Configuration of Servicegroup
  • Monitor Network Devices
  • Comprehend the Check Scheduling
  • Text Output from the Plug-in
  • Install NSClient++
  • Monitor Local Process of Windows via E-mail
  • Comprehend the Flapping Service Detection
  • Schedule the Notification
  • Comprehend the Service and Host Dependencies
  • Install and Configure the NRPE
  • Monitor Local Resource from Remote Nagios Server
  • Define Nagios Commands
  • Plug-in Return Codes
  • Comprehend the Event Handlers
  • Comprehend the Sending of Notification



  • ✔ 8 Hours (4 hours lecture & Demo, 4 Hours Lab) instructor led online class
  • ✔ Hands on Approach - We emphasize on learning by doing.
  • ✔ Life time free re-enrollment to future Nagios courses
  • ✔ Life time free access to all learning materials including
  • ✔ Class recordings
  • ✔ Presentations
  • ✔ Sample Code
  • ✔ Projects
  • ✔ Total Lab Infrastructure in cloud and 24x7 available
  • ✔ 70% of the class is consist of Lab
  • ✔ Assignments with personal assistance
  • ✔ Real time scenario based projects with standard evaluation
  • ✔ 24x7 online support to queries during and after the course completion
  • ✔ Help for Interview preparations
  • Agenda for 2 days

    Installation and Updates:
    Manual installation
    Upgrading your installation

    Checking system status
    Managing users
    Cloning user accounts
    Masquerading as a user
    Managing components
    Managing plugins
    Core Configuration Manager:
    Accessing the CCM

    Understanding and using dashboards
    Customizing dashboards

    Monitoring HOWTOs:
    Monitoring Windows machines:
    Installing the NSClient++ agent on Windows machines
    Monitoring a Windows desktop
    Monitoring a Windows server
    Monitoring Linux machines:
    Installing the Linux agent
    Using the Linux monitoring wizard
    Monitoring a website
    Monitoring website URLs
    Monitoring DNS
    Monitoring a router or switch
    Monitoring FTP servers
    Monitoring common TCP/UDP ports

    Running auto-discovery jobs

    Configuring notification preferences
    Using different notification methods
    Customizing notification messages
    Customizing mobile providers

    Scheduled Downtime:
    Using recurring downtime

    Hypermap network diagram
    Google maps
    Nagvis maps

    UI Tweaks:
    Enabling ping action
    Enabling traceroute action
    Using host and service object notes

    Agenda for 3 days

    ===========DAY 1=================
    Nagios – System & Network Monitoring
    Monitoring Services
    * Terminology
    * Network Security
    * Network Monitoring Tools
    * System Requirements
    Nagios Terminology
    * Host Checks & Service Checks
    * Hostgroups
    * Contacts
    * Contactgroup
    * Notifications
    * State types * SOFT, HARD
    * Time periods
    * Event Handlers
    * Addons& Plugins
    Nagios Installation and Configuration
    * Nagios Dependencies
    * Installing of Nagios
    * Nagios Configuration
    * Object Configuration
    * CGI Configuration
    * Authentication Usinghtpasswd

    ===========DAY 2=================

    Network Monitoring Using Nagios
    * Monitoring Network Devices
    * Publicly Enabled Service (HTTP, FTP etc.)
    * Hostgroup Configuration
    * Servicegroup Configuration
    * Check Scheduling
    * Event Handlers
    * Runtime Modification of Nagios Parameters
    Notifications & Logging
    * Sending Notification via E-mail
    * Scheduling the Notification
    * Host and Service Dependencies
    * Network Diagram by Nagios
    * Flapping Service Detection
    * Volatile Services
    Nagios Remote Plugin Executor
    * Installation and Configuration of NRPE
    * Monitoring Local Resource from Remote Nagios Server
    * check_nrpe plugin
    * Xinetd Modification for NRPE

    ===========DAY 3=================

    Nagios Plugins
    * Basic Plugins using Shellscripts
    * Defining Nagios Commands
    * Plugin Return Codes
    * Text Output from the Plugin
    NSClient ++
    * Installation of NSClient++
    * check_nt plugin
    * check_nt definition
    * Monitoring Local Process of Windows

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