Learning more about Nagios for server monitoring

[Flash]

http://www.techrepublic.com/blog/openso ... in;content

Takeaway: If you use Nagios for server monitoring, you know it’s a very powerful tool, but the learning curve can be steep for newcomers. Vincent Danen reviews a resource for Nagios beginners — or for those who want to learn how to get the most out of this open source software.

I couldn't make out if this is for Linux or Windows or what.