Nagios Support Forum

Posted: **Wed Feb 12, 2020 6:00 am**

Good Day,

As per subject, I am getting the following error :

NRPE: Unable to read output

commands.cfg - Nagios Server

Code: Select all

define command {
    command_name    check_mounts
    command_line    $USER1$/check_nrpe -H $HOSTADDRESS$ -c check_mounts
}

services.cfg - Nagios Server

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define service{
   use                          generic-service,srv-pnp
   host_name                    CLIENT
   service_description          Check For CIFS Mount - SERVER: /data1/work/documentstore
   check_command                check_nrpe!check_mounts
   contact_groups               Anon,AnonSms
   }

nrpe.cfg - Nagios Client

Code: Select all

# Check Mounts
command[check_mounts]=sudo /usr/lib64/nagios/plugins/check_mount.sh /data1/work/documentstore cifs

Plugin

https://exchange.nagios.org/directory/P ... is/details

Output when run on client :

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[nagios@SERVER ~]$ sudo /usr/lib64/nagios/plugins/check_mount.sh /data1/work/documentstore cifs
OK - /data1/work/documentstore mounted under cifs.
check_mount.sh v1.02

Not sure what I am missing ?

Regards

Posted: **Wed Feb 12, 2020 10:38 am**

Can you show the output here from the remote machine

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grep nagios /etc/sudoers

It's possible you need to add a line

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Defaults:nagios !requiretty

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NRPE: Unable to read output

NRPE: Unable to read output

Re: NRPE: Unable to read output