Xymon Monitor

Welcome to the Xymon Monitor project homepage. Xymon is a system for monitoring servers and networks. It takes its inspiration from the Big Brother monitoring system, but unlike Big Brother it is designed to work well whether you need to monitor a small network with just a handful of hosts, or large networks with thousands of servers and network services.

Xymon is the successor to the bbgen toolkit, which has been available as an add-on to Big Brother since late 2002. The name change was decided upon when Hobbit acquired enough functionality to be a stand-alone product. The tools that formed the bbgen toolkit are still present in Hobbit and are quite important for it, so if you have used bbgen before Hobbit will seem quite familiar.

In 2009 the project was renamed to Xymon.

What does Xymon do ?

Xymon monitors your hosts, your network services, and anything else you configure it to do via extensions. Xymon can periodically generate requests to network services - http, ftp, smtp and so on - and record if the service is responding as expected. You can also monitor local disk utilisation, logfiles and processes through the use of agents installed on the servers.

All of the monitoring results are collected by a central server and used to build a set of webpages that show the status of your network, with drill-down functionality to check up on problems. Xymon will also record the history of each monitored item, so you can generate availability reports and check on the incidents that have occurred. Wherever possible data is also stored for trend analysis and presented as graphs, so you can easily track e.g. the response-time of a business-critical web application over time.

In case of problems alerts may be sent in the form of e-mails, SMS-messages or pager-alerts so that staff can respond quickly to problems without having to keep watch over the services.

The easiest way to understand what Xymon does is to see it in action. http://www.xymon.com/xymon/ is the live view of a Xymon server that monitors my home network.

Where can I get Xymon ?

The production release of Hobbit 4.2 was released on August 10th 2006. The current stable release of Xymon is 4.2.3, released on February 22 2009. You can pick up Xymon at the Sourceforge project page.

What if I have questions about Xymon ?

There are two mailing lists for Xymon:
The official project wiki is at SourceForge, but content needs to be migrated from wikibooks.org

Do you have some more information ?

The on-line documentation for Xymon is available here on SourceForge as follows:

Xymon is hosted by
SourceForge.net Logo