Monitoring a gCube infrastructure With Nagios

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Overview

'Nagios is a popular[open source computer monitor, network monitoring and infrastructure monitoring software application. Nagios offers complete monitoring and alerting for servers, switches, applications, and services and is considered the defacto industry standard in IT infrastructure monitoring.


Nagios installation

Nagios is composed by two main components the Nagios Server and Nagios Agents

Nagios Server

A Nagios server is an application running tests distributed on the infrastructures, it offers a powerful web interface which can be used by administrator to visualize / configure tests executions.

The installation instruction for Ubuntu,Fedora and OpenSuse can be found at [1]

Nagios Agents

Nagios Remote Plugin Executor (NRPE) is a Nagios agent that allows remote systems monitoring using scripts that are hosted on the remote systems. It allows for monitoring resources such as disk usage, system load or number of users currently logged in. Nagios periodically polls the agent on the remote system using the check_nrpe plugin.

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