NRPE: No output returned from plugin error

[Assaf Flatto]

yuris wrote:
> I strongly doubt it has any relation to ssl:
>
> NRPE - Nagios Remote Plugin Executor
> Copyright (c) 1999-2008 Ethan Galstad (nagios at nagios.org)
> Version: 2.12
> Last Modified: 03-10-2008
> License: GPL v2 with exemptions (-l for more info)
> SSL/TLS Available: Anonymous DH Mode, OpenSSL 0.9.6 or higher required
> TCP Wrappers Available
>
> this is output from nrpe (Centos binary package) that shows it's 
> compiled with ssl/tls support. Openssl library is installed as well.
>
> Anyway. I tried suggested workaround, defining "check_nrpe_no_ssl" as 
> "$USER1$/check_nrpe -H $HOSTADDRESS$ -c $ARG1$ -n" and defining service 
> as "check_nrpe_no_ssl!check_load" and running nrpe deamon no centos host 
> with "-n" option - result is just the same, "NRPE: Unable to read output"
>
> However, when I do "./check_nrpe -H centos.host.com" it does return me 
> nrpe version correctly ("NRPE v2.12").
>
>  From all this steps I figured that it is not about ssl at all - nrpe 
> version is returned correctly with ssl and without it.
>
> Interesting, that in nagios server debug log I see that remote NRPE 
> returns output that nagios check_nrpe cannot parse, it returns similar 
> output, that I would get if call /usr/sbin/nrpe without arguments:
>
> so that seems to me as if NRPE does not understand arguments from 
> check_nrpe or something...
>
> any ideas?
>
> --
> best regards,
> yuris
>
>   
Yuris..

Can you upload a sample nrpe.cfg from one of the centos servers ?

That might shed more light on the issue ?

-- 
Never,Ever Cut A Deal With a Dragon 




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