check_by_ssh problems

[Demetri Mouratis]

On Mon, 21 Apr 2003, Jamie Baddeley wrote:

> Hi,
>
> I running nagios on debian box.
>
> I'm successfully doing check_by_ssh from the prompt i.e:
>
> /usr/lib/netsaint/plugins/check_by_ssh -H foo.bar -P 22 -l noc -C
> '/usr/lib/netsaint/plugins/check_procs -a openam -c 7:'
>
> It returns the correct result.
>
> However whenever I run this from nagios, I'm getting an "Unknown" with status
> information only saying "Usage:"
>
> I suspect it is because nagios runs check_by_ssh as nagios, and I'm doing my
> testing (at prompt) from root.
>

Yup.  You should already have a nagios user on both your nagios box plus
any hosts you want to check_by_ssh to.  I would start by grepping your
/etc/password file for the nagios user and looking through the ps output
to see which user is running all your status checks.  Then do an
ssh-keygen on your nagios box and publish the public key in all your
remote hosts.  Also, make sure to copy all the nagios plugins to the
remote hosts as well.

>From there, you were on the right track.  You want to su to nagios, then
run the check from that account.

Hope that helps.
---------------------------------------------------------------------
Demetri Mouratis
dmourati at linfactory.com



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