Videos, webinars, quick-reference guides, and answers to common questions related to Nagios XI.
Explore tutorials, and past conference videos covering installation, configuration, SNMP, Ansible integration, and advanced Nagios best practices.
A starter’s guide to Nagios XI for first-time installations or new users on an existing XI instance.
A simple overview on how SNMP works.
Migrate your Nagios Core environment to Nagios XI using automatic and manual methods.
Guided walkthroughs for installation, configuration, SNMP monitoring and more.
How Nagios XI can work alongside AI tools to simplify monitoring workflows and day-to-day administration.
A walkthrough of SNMP monitoring in Nagios XI, covering devices, MIBs, OIDs, traps, and setup basics.
A side-by-side look at agent-based and agentless monitoring, where each fits, and what the tradeoffs look like.
Practical Nagios XI tips focused on setup, usability, and getting more value out of the platform.
Common monitoring mistakes that create extra noise, wasted time, and blind spots across your environment.
Useful Nagios XI features that often go overlooked, with a focus on improving daily workflows.
On-demand sessions covering deployment tips, best practices, and feature deep-dives from the Nagios team.
Jump to a specific area of the Nagios XI docs on the library.
The most common questions from Nagios XI users and evaluators.
It can do many things, from sending an email or text notification to opening a case in your external application or executing a remote script that does anything you want. Some customers have it automatically restart a Windows service when Nagios detects problems.
Yes, many of our plugins and add-ons can work with either XI or Core and are released under an OSS license.
Because XI uses Core as a monitoring engine, you can use your custom Nagios plugins and event handlers, as well as community add-ons to extend XI’s native functionality.
XI can directly integrate with Fusion. Log Server and Network Analyzer can integrate with XI.
The initial purchase of any of our commercial solutions includes the first year of license benefits. These benefits allow customers to access version upgrades for one year, submit up to ten support cases, and access the Answer Hub. Optional phone support contracts are available to customers who require additional support services.
If you need to reset the nagiosadmin password, follow the step-by-step instructions in the official guide below.
The Nagios XI system is comprised of two categories of licensed code:
The Nagios XI user-interface and system frameworks are released under a commercial license and contain some code used under license by Nagios Enterprises that cannot be released under an OSS license. Purchasing an Nagios XI license grants you a perpetual license to use the XI UI and system frameworks, including the licensed code.
Nagios XI includes a free license for small environments, supporting up to seven (7) hosts and 100 total checks. This option is best suited for basic monitoring or homelab enthusiasts.
For a full enterprise experience, start a free trial to unlock all features, higher monitoring limits, and access to support — ideal for testing Nagios XI in real-world environments.
No, a single Nagios XI license includes three separate installs:
This allows for an active-passive failover model, but if you would like to have an active-active setup, then you would need one license for each system. How you engineer the failover is up to you.
Login issues can have several causes, but the best place to start is the official troubleshooting guide, which covers the most common fixes step by step.
Crashed database tables can occur for a variety of reasons. We recommend following the step-by-step troubleshooting guide below to diagnose and resolve the issue.
You can use WMI or NSClient++ to monitor internal metrics. First, decide which route will work for you.
WMI works with the built-in management interface that Windows includes, while NSClient++ is an agent that can tap into many different objects. This includes performance counters, WMI, PowerShell, and just about anything you can script out!
As long as your application is returning an exit code and an output, it’s possible.
There are quite a few ways to accomplish this, but there are two primary routes we see customers use.
The first is an agent called NRPE, which you will need to install on each client machine. Once this is completed, you’ll want to run through the Linux wizard to set up checks for monitoring.
The other option is using check_by_ssh, which will use SSH keys to authenticate and run scripts. These scripts will still require the nagios-plugins to be installed if you’re after a certain metric that must be executed on the client machine.
Yes, we distribute Nagios XI as a virtual machine to ensure you get it up and running quickly.
Manual installation is possible to physical servers running RHEL or CentOS and is available to customers that require it.
If you are manually migrating from Nagios Core to Nagios XI, we recommend following the official migration guide below for step-by-step instructions.
It can do many things, from sending an email or text notification to opening a case in your external application or executing a remote script that does anything you want. Some customers have it automatically restart a Windows service when Nagios detects problems.
Nagios XI is our fully supported monitoring solution built on the foundation of Nagios Core with additional features and functionality to streamline your IT management. Nagios XI is equipped with time-saving features, including easy-to-use Configuration Wizards, advanced multi-tenancy capabilities, and a customizable GUI.
A step up from the Standard Edition of Nagios XI, the Enterprise Edition has all standard features plus additional features, such as capacity planning, bulk modification, and scheduled reports.
The Standard Edition of XI is equipped with time-saving features, including easy-to-use Configuration Wizards, advanced multi-tenancy capabilities, and a customizable GUI. A step up from the Standard Edition of XI, the Enterprise Edition has all standard features plus additional features, such as capacity planning, bulk modification, scheduled reports, and more.
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