I've been doing some searches on this topic and read a few threads here as well.I've read about Nagios, OpenNMS, Spiceworld, Cacti, MRTG, (...), but I don't know which one is best for my environment: ...

If the thought of paying hundreds of thousands of dollars for an enterprise net management platform is getting you down, you may be relieved to know that dozens of free management tools are at your ...

Do you mean to host or monitor? I agree it's a lot easier to run on *nix as the host, but I'm monitoring Windows Server machines with no agent required aside from the ...