nsca how-to

[Thomas Sluyter]

On 10 Sep, 2006, at 20:30, Richard Galvez wrote:

> Hello everyone, I was wondering if anyone knew a good doc that showed
> how to set up nsca and use it.

Well, there's the Nagios documentation which is available in both  
HTML and PDF. It provides a basic overview of how NSCA works and how  
it ties into Nagios.

The configuration files for NSCA also contain loads of comments,  
detailing the use of each parameter.

Here's the general idea though.
You can setup NSCA on your Nagios server to receive status updates  
for passive checks. These results are sent in using the send_nsca  
binary. Both processes have their own config files, respectively  
nsca.cfg and send_nsca.cfg (who'd'a thunk?)...

NSCA is commonly used in two situations.
1) A distributed Nagios environment, where multiple servers perform  
bunches of checks. Each sends its results to a central Nagios server  
that gathers all the information for display in the GUI and such.
2) Your clients may use send_nsca to send in the results for locally  
run checks. This mechanism takes the load of your Nagios servers,  
which can forego the use of active checks. Local checks can be  
scheduled using either a local Nagios installation, or a wrapper  
script run through cron (which is the solution I chose to implement).

Good luck!


Thomas

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