osx nrpe: No output returned from plugin

[Claudio Kuenzler]

While Nagios executes the check, do you see a connection on your Mac ?
Is anything written in the syslog on your Mac?

Something seems to be strange about your output:

/usr/lib/nagios/plugins/check_nrpe -H mac.my.domain -c check_users
USERS OK - 3 users currently logged in |users=0;5;10;0

Take a look at the perfdata, it shows 0 users while the output shows 3
users.
Is that a copy+paste error or is this the actual result when you launch the
check on the command line?

On Thu, Jan 26, 2012 at 5:37 PM, John Stile <john at stilen.com> wrote:

> Recently I tried to setup nrpe monitoring of an osx system by installing
> nagios-plugins-1.4.15.tar.gz and nrpe-2.12.tar.gz on osx 10.5, and
> locally everything works fine.  This works:
> /usr/local/nagios/libexec/check_nrpe -H localhost -c check_users
>
>  USERS OK - 3 users currently logged in |users=3;5;10;0
>
> Next I tried to configure my nagios server (debian sarge with packaged
> nagios  1.3-cvs), and from the server command line, this works:
> /usr/lib/nagios/plugins/check_nrpe -H mac.my.domain -c check_users
>
>  USERS OK - 3 users currently logged in |users=0;5;10;0
>
> The problem is adding the monitor to /etc/nagios/services.cfg
>
> define service{
>       use                             generic-service
>       host_name                       mac.my.domain
>       service_description             Users
>       is_volatile                     0
>       check_period                    24x7
>       max_check_attempts              3
>       normal_check_interval           5
>       retry_check_interval            1
>       contact_groups                  linux-admins
>       notification_interval           120
>       notification_period             24x7
>       notification_options            w,u,c,r
>       check_command                   check_nrpe!check_users
>       }
>
> Results in web interface shows:
> Status: UNKNOWN
> Status Information:     (No output returned from plugin)
>
> All other nrpe hosts are monitoring well.
> I have no other osx nrpe monitored machines as a reference.
>
> Can anyone offer some ideas (other than upgrade)?
>
>
>
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