NRPE Completely stumped

[Andreas Ericsson]

John Acar wrote:
> Hi all,
> 
> I am trying to run disk_checks on remote systems using nrpe.  I believe
> that the nrpe daemon is configured ok and, of course, nagios is running
> just fine.  This is all running on Red Hat 9 systems.  However, when the
> check is run, either manually or through nagios, I get return code 3:
> Unable to read output.
> 

This may be because the plugin writes some output to stderr, while nrpe 
only reads stdout. Make sure you get exactly the same output when 
running the plugin like both these lines below;
---
plugin <args>
plugin <args> 2> /dev/null
---
The second line will redirect stderr output to /dev/null, so if you 
don't get any output there, then NRPE won't get any either.

> 
> Cheers!
> 
> John
> 
> A good friend will come and bail you out of jail...but a true friend will
> be sitting next to you saying, "Damn...that was fun!"
> 

-- 
Andreas Ericsson                   andreas.ericsson at op5.se
OP5 AB                             www.op5.se
Lead Developer


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