Add NRPE Exim Mailqueue Check to cPanel Server

This blog assumes that NRPE and nagios plugins are already installed on the remote server. Remote OS: Centos 6.7 Nagios Server OS: Centos 5.7 WHM: 11.50.0 NRPE: 2.14   Remote server Download the check_eximailqueue plugin (version 1.3 as of writing) from Nagios.org . Upload the plugin to the the Nagios plugin directory (/usr/lib64/nagios/plugins/) on the remote server [RemoteServer]# vi /usr/lib64/nagios/plugins/check_eximailqueue Uncomment Read More…

How Does SSL Work?

  Below is a very simple overview of how SSL works in an asymmetric browser to web server scenario.      1. The client browser (eg Internet Explorer, Google Chrome, Safari etc) requests a secure HTTPS page by typing in  https://www.domainname.com .   2. The web server responds by sending SSL certificate and public key.   Read More…