check_by_ssh failing on commands that work via remote ssh as the nagios user

mark.potter at academy.com mark.potter at academy.com
Mon Nov 19 16:54:21 CET 2007


> 
> Nagios: 2.10 
> Plugins: 1.4.9 
> OS: SLES 9.3 
> 
> I am having some trouble figuring out how to make check_by_ssh work 
> properly. I think I have done all of the usual troubleshooting and I
> have googled the issue to no avail: 
> 
> Command as nagios user on the remote server: 
> 
> /usr/local/nagios/libexec/check_load -w 7,7,7 -c 10,10,10 
> OK - load average: 0.01, 0.04, 0.03|load1=0.010;7.000;10.000;0; 
> load5=0.040;7.000;10.000;0; load15=0.030;7.000;10.000;0; 
> 
> Command as nagios user via ssh on Nagios server: 
> 
> ssh ulwswas01 "/usr/local/nagios/libexec/check_load -w 7,7,7 -c 
10,10,10" 
> <MOTD REMOVED FOR PRIVACY REASONS> 
> OK - load average: 0.05, 0.07, 0.04|load1=0.050;7.000;10.000;0; 
> load5=0.070;7.000;10.000;0; load15=0.040;7.000;10.000;0; 
> 
> check_by_ssh attempt as nagios user on Nagios server: 
> ./check_by_ssh -H ulwswas01 -C "/usr/local/nagios/libexec/check_load
> -w 7,7,7 -c 10,10,10" 
> Remote command execution failed: <MOTD DISPLAYS IN PART THEN CONNECTION 
ENDS>
> 
> I get nothing in the log files concerning this and it makes little 
> sense. I have tried everything I need to have working, to the best 
> of my knowledge, as the nagios use and it works. Thanks in advance 
> for any help! 
> 

Please disregard the above request. Further research showed the -S option 
was all that was needed. Would be nice if this was documented to show it 
is needed on all systems with banners as it is currently a little harder 
to find. If it were mentioned in the -h, the banner part, I would not have 
sent the request for help initially.  I now return you to your regularly 
scheduled madness...
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