Adding Nagios hosts
Monitoring the local system is different than monitoring remote systems. A big part of this is that while monitoring your local system, you have full access to information regarding number of processes, amount of memory, CPU usage, and so on. When you're looking at remote systems, you're limited to accessing remotely accessible information like if a remote port is listening, ping ability, and so on. If you require the ability to collect more in depth information, you'll need to configure something to make the additional information available.
How to do it…
You can configure additional hosts to be monitored by Nagios by creating additional host entry in a .cfg file within /etc/nagios3/conf.d/.
The content should be:
define host ...
Get Linux Networking Cookbook now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
