When setting up Nagios we wanted to use SNMP checking of Linux devices. While there are included checks to do this the decision of using SNMP was to reduce the overhead of using SSH. These are the steps to get Nagios to do SNMP monitoring as well as a Linux host to give information over SNMP. Continue reading
While Nagios does have a web interface as shown in the last post of this series we have decided to install V-Shell a php interface for Nagios.
Our first step is to setup Nagios. We are setting up Nagios on a Centos server with SE Linux disabled and the firewall with port 80 opened.
The steps to install Nagios on Centos 6.3 are:
As we have grown at One Metric we have had to grown our inferstructure to cope. In the last 12 months we have gone from running on a basic VPS to now over 10 virtual machines including web servers for our website and our CRM/Helpdesk, database servers, backup servers, mail servers and DNS servers.