This guide will describe howto get it running in op5 Monitor. op5 Monitor is vanilla Nagios with some addons so it should be no problem to follow this guide in a Nagios environment

Learning Nagios 3.0 is a comprehensive configuration guide to monitor and maintain your network and systems. It is a practical guide to setting up the Nagios 3.0 open source network monitoring tool, installing and configuring Nagios 3 on various operating systems. It will help understand system monitoring and how Nagios works.

So you have your Nagios server installed...now what. Monitoring devices on your network is typically a three step process. Once you get used to following these steps you will begin setting many new devices to monitor with this great tool Nagios.

Nagios is a free, open-source tool that can be used to monitor network components and services. When it detects a problem, it can send alert messages by either e-mail or pager. It can also be configured so that only designated personnel can view status information for particular services or equipment. This tutorial will show you how to install Nagios 3 on an Ubuntu 8.10 server.

Nagios provides a monitoring option to evaluate routers and switches using SNMP, Simple Network Management Protocol. This course will show you how to set up Nagios and specifically how to locate the information you want to monitor with SNMP on a Cisco router. This is a Free Course available to anyone.

As a system administrator, one often have to do repetitive tasks such as checking for free disk space, check mail queues and monitor critical services. If there are only a handful of servers, this task may not be very intimidating, but there are many times when there are many servers to monitor, or just for the sake of automation. This is where Nagios comes in.

Icinga is an enterprise grade open source monitoring system which keeps watch over networks and any conceivable network resource, notifies the user of errors and recoveries and generates performance data for reporting. It is a fork of Nagios. This tutorial explains how to install Icinga on an Ubuntu 11.10 server to monitor this server and another Ubuntu 11.10 server.

Icinga is an enterprise grade open source monitoring system which keeps watch over networks and any conceivable network resource, notifies the user of errors and recoveries and generates performance data for reporting. It is a fork of Nagios. This tutorial explains how to install Icinga on a Debian Squeeze server to monitor this server and another Debian Squeeze server.

Conky is one of my favorite applications for all of my Linux distros. It is a light-weight system monitor (according to the project page) that can monitor many different aspects of your computer. You choose what to monitor and you choose where the monitor is displayed on your desktop through use of a configuration file - .conkyrc.