Nagios XI Review

Learn about Lagios XI's network monitoring software for your business. Includes info on Lagios XI, free trials, pricing, review, and FAQs.

Updated on June 24th, 2020

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Nagios VI is network monitoring software that offers you comprehensive application, service, and network monitoring in one solution. Nagios VI monitors operating systems and systems metrics as well.


Plan Name


Standard Edition

Starts at $1,995.00

Enterprise Edition

Starts at $3,495.00

Nagios Xi

Pros: Stable product with free versions. Instant notifications to prevent issues.

Cons: Some background knowledge of Linux needed. Initial configuration challenging at times.

Bottomline: Solid solution to assist your business in monitoring mission-critical infrastructure components.

Key Information:

Legal Name

Nagios Enterprises


Ethan Galstad

Founding Date

Jan 01, 2007


1295 Bandana Boulevard N, Suite 165, Saint Paul, MN 55108 United States

Number of Employees


Number of Customers




1 (888) 624-4671


News & Activity:


News or Activity

July 18, 2018

Nagios XI 5.5 is Here


Is Nagios XI free?

Nagios XI offers free plans.

How do I update Nagios XI?

Navigate from the Nagios XI web interface to the Admin menu. Click on the "Check for Updates" menu, and then "Check For Updates Now." New updates will be displayed. Click the "Upgrade to Latest Version" button.

What are the main benefits of Nagios XI?

  • Swift detection of network outages.
  • Increased server availability.
  • Fast detection of server outages.
  • Increased availability of processes.
  • Swift detection of protocol failures.
  • Increased availability of services.
  • Increased availability of applications.

Is Nagios XI open source?

Yes. Nagios XI is open source.

Is Nagios Core free?

Yes. You can visit the website to download it.

What can Nagios monitor?

  • Memory usage.
  • Disk usage.
  • Log files.
  • Microprocessor load.
  • Number of currently running processes.

How do I install Nagios on Linux?

Watch this Youtube video to learn how to install Nagios on Linux.

How much does Nagios cost?

Nagios XI's pricing ranges from $1,995.00 to $3,495.00, depending on which plan you choose. Nagios XI offers free plans as well.

How do I set up Nagios?

Go to the website to learn how to install Nagios.

How does Nagios process external commands given to it?

Nagios does this based on the commands it receives. Commands submitted need to be written to the command file, which is periodically processed by the Nagios daemon.

How does NRPE work in Nagios?

The Nagios Remote Plugin Executor (NRPE) enables you to remotely execute Nagios plugins on other Linux or Unix machines, which allows you to monitor remote machine metrics. It also communicates with some Windows agent addons.

Is there a Nagios XI free trial?

Yes. Visit Nagios XI's pricing page to access your 60-day free trial. Nagios XI offers an array of free plans as well.