Nagios XI:Getting Started
From Nagios Support Wiki
Information on getting started with Nagios XI.
For Existing Nagios Users
Are you an existing Nagios user? Find out how Nagios XI differs from standard Nagios Core installations, how to make a transition to XI, and how to leverage your existing plugins, scripts, and addons to extend XI.
Find information on administering an XI installation.
Find information on specific XI features.
Find information on using the XI configuration wizards.
Information on using and installing monitoring agents for Windows and other operating systems.
Notifications and Alerts
Information on configuring notifications and notification preferences.