Nagios is an open source computer software application that
monitors the whole infrastructure of a computer network or a system. It was originally
developed by Ethan Galstad and his group of developers over a period of three
years from 1996 to 1999. When the first project was released it was named as
NetSaint. In 2002 due to trademark issues over the name Ethan and his team
renamed the project as Nagios which is an acronym. Nagios means – Nagios ain’t
gonna insist on Sainthood. Due to the novelty and utility it provided to the
security and monitoring of networks and computer systems, it soon became a
necessary module in Linux Online Training.
Over the years Nagios has evolved to become a complete
monitoring system for IT infrastructure which includes all the systems,
applications, services and business processes. It monitors the system and
identifies problems much before they can cause critical issues with processes.
Linux Course Online includes basic training of Nagios in their modules.
The main features of Nagios are:
Monitoring all systems within an IT infrastructure –
Nagios is a single tool that monitors all aspects of the IT infrastructure. It
includes applications, services, network protocols, system metrics, OS and
other components. It is an outstanding open source application that takes care
of all the problems. Linux coaching all over the world will exhibit the awesome
monitoring prowess of Nagios in their Linux education.
Can be personalized – The powerful API (Application
program interface) of Nagios allows customization as per the in-house
requirements. It is easy to implement and gives excellent service.
Problem identification and remedy – The best part of
Nagios is that it immediately alerts about problems. It provides immediate
communication in response to an encountered problem.
Periodical reporting – All the responses to problem
identification and specific alerts are present in the periodical report
generated by the system.
Easy to integrate with other systems – Multiple APIs
of Nagios will help to integrate it with other system easily. The basic
architecture of the application allows this making it easy to implement.
Always developing – The vibrant community support to
Nagios enables it to evolve and develop continuously. The add ons really help
the tool and interface to become better.
Reliable and Stable – Nagios has been developing
since its release. Over the years thousands of nodes for monitoring have been
developed which help the overall IT infrastructure.
Linux and all its distributions like Red Hat Linux and SuSE
have benefitted the most from this excellent monitoring tool. The main benefits
that it provides are:
It increases availability of resources – Due to its
quick recognition and problem rectification, Nagios is able to keep resources
like servers, and applications which are critical up most of the time. This
helps the business as a whole.
Improves the System – The fast detection helps
prevent network outages and protocol failures which are responsible for downtime.
The training of Nagios is included in the Linux training
fees paid for Linux Certification course. When joining online Linux Training
you will get to learn about the monitoring services that this tool provides.
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