Debugging nagios checks?

[Eli Stair]

Have you already tested the plugin from the commandline, passing it the 
args that are sent from Nagios to make sure your version/community 
string and mountpoint info are properly read and returned?

Have you checked to make sure that SNMP is monitoring disk usage?

/eli

Michael T. Halligan wrote:
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> I'm trying to use check_snmp_storage.pl from http://www.manubulon.com/ 
> nagios/snmp_storage.html and am having a bit of a hard time.
> Nagios simply fails when trying to check, with the extremely helpful  
> error of "(No output!)" .. Nothing useful gets generated in any of
> the logs (and I have every log option turned on).. When I strace  
> nagios, there's still not much useful.
> 
> How can I make nagios show me what it's running when it runs a check,  
> and show me the output, so I can debug this issue? I think
> I'm running into a problem with snmp on my client boxes, but I have  no 
> idea.
> 
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> 
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