Nagios

In this chapter, let us look into case studies of two organizations that have successfully implemented Nagios. Bitnetix with Nagios Bitnetix in an IT consulting organization which is into networking,…

V-Shell is a lightweight web interface to Nagios Core written in PHP. It is easy to install and use and it is an alternative to Nagios output. The frontend of…

The Nagios daemon runs checks on remote machines in NRPE (Nagios Remote Plugin Executor). It allows you to run Nagios plugins on other machines remotely. You can monitor remote machine…

Plugins help to monitor databases, operating systems, applications, network equipment, protocols with Nagios. Plugins are compiled executables or script (Perl or non-Perl) that extends Nagios functionality to monitor servers and…

This chapter gives an idea of the ports and protocols that Nagios comprises. Protocols The default protocols used by Nagios are as given under − http(s), ports 80 and 443…

Once the host and services are configured on Nagios, checks are used to see if the hosts and services are working as they are supposed to or not. Let us…

A command definition defines a command. Commands include service checks, service notifications, service event handlers, host checks, host notifications, and host event handlers. Command definitions for Nagios are defined in…

Nagios is the most popular tool which is used to monitor hosts and services running in your IT infrastructure. Hosts and service configurations are the building blocks of Nagios Core.…

Nagios can be applicable to a wide range of applications. They are given here − Monitor host resources such as disk space, system logs etc.Monitor network resources – http, ftp,…

Nagios is the monitoring tool with multitude of features as given below − Nagios Core is open source, hence free to use.Powerful monitoring engine which can scale and manage 1000s…