We have already discussed about Naigos Version 3.3.1 server installation on linux. This post describe about to Install version 4.0.8 on CentOS 7 or RHEL 7.

We have already discussed about Nagios server and client installation and configurations, If you may get an error on Host Status,

NSClient++ is a windows service open source program, also called NSCP its an monitoring agent that allows easier to gathered by nagios.

We have already discussed Nagios NRPE configuration and you may get an error when you check DNS in client system,

We have already discussed about Nagios server and client installation and how to monitoring HTTP with content monitoring. On this post can be know that HTTPS URL with contents.

Once you have done the Nagios client installation and configuration in your system then, you may getting an error HTTP-WARNING : 403 Forbidden like below image,

Once you have installed and configured nagios client in your Linux system you can easily monitor your LVM on Nagios tool. This LVM space monitoring only for low disk space.