Using the Tactical Overview
In this recipe, we'll take a look at the Tactical Overview screen of the Nagios Core web interface. As its name implies, this screen provides a one-page summary of the current operating status of both the monitored hosts and services and the Nagios Core server itself.
Getting started
You will need access to the Nagios Core web interface. In the QuickStart install, the nagiosadmin user will have all of the necessary privileges.
How to do it...
We can take a look at Tactical Overview as follows:
Log in to the Nagios Core web interface.
Click the Tactical Overview item in the left menu:
You should see the Tactical Monitoring Overview screen appear in the right frame:
Try clicking on some of the items under Hosts and Services, for example the Up count under Hosts. Note that you're presented with a listing of all the hosts that comprise that section.
Return to Tactical Overview, and try clicking on some of the items under the Monitoring Features heading, for example the...
