Nagios Queries

[Tom Denham]

Hello,

I'm currently running Nagios 3.0 on CentOS and was curious if anyone can
tell me (in Service Detail) how (without plugins) that Nagios is able to
query remote Linux boxes and gather information such as Current Load, Root
Partition, Swap Usage, Total Processes, etc...

I do not recall doing anything special that would allow this info to be
returned...is it possible that the remote Linux box has a service that
Nagios tries to connect?

Basically Nagios was setup to just monitor, which I figured it would only be
successful with pings, however it's obviously gathering much more info.

Any help would be great...also if there is a better way to gather data, that
would be helpful too.

thanks in Advance!

-- 
There's no place like $HOME.
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