NRPE: Unable to read output – The followup Last week, I wrote about a problem with NRPE reporting NRPE: Unable to read output. Harold Paulson encountered the same issue yesterday. I was able to help him debug it today. We found a solution: a full path to sudo. We both had the same situation. Checking …
NRPE: Unable to read output In a sudden flash of inspiration, I realized I could replace some cronjobs and emails with a Nagios plugin. This article assumes you know about Nagios and how to write a plugin. The main goal here is to show you a debugging approach I found. The problem The problem was …
Monitoring your HDD using SMART and Nagios Monitoring of your computer systems is a good idea. There are many tools that let you verify that specified services are running, and available for clients. I use Nagios. You can check that Apache is still running, Postfix is still accepting mail, and various other things. If you …