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Nagios return status unknow

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Nagios return status unknow

Postby DennisSSebasiStephen » Tue Apr 26, 2022 6:52 am


I install Nagios on CentOS to monitor some servers, and one of them is a TSM server.

I download a plugin written in bash when i execute it in command line it works.

/usr/lib64/nagios/plugins/check_tsm db -v6
db - database utilization 42%, OK
and the return code of the batch script is 0 ( from the command echo $? )

So the script work fine, and return 0 that mean a OK status in nagios, but the status still unknown, I really don't know why.

And i check logs in nagios, etc. It's not a problem of commands definition in commands.cfg or the declaration of service, because I copy the command that nagios send automatically every 5 min and the command works fine in command line, but still unknow status.

Definition of command:

define command{

command_name check_tsm_v6

command_line /usr/lib64/nagios/plugins/check_tsm $ARG1$ -v6 $ARG2$ $ARG3$

Service declaration :

define service{

use generic-service

host_name tsm-test

service_description database utilization

check_command check_tsm_v6!db!85!90
And here's the bash omegle shagle voojio script.
Last edited by DennisSSebasiStephen on Fri Jun 17, 2022 1:22 am, edited 1 time in total.
Posts: 8
Joined: Sun Feb 13, 2022 1:29 am

Re: Nagios return status unknow

Postby BettyRNorahDeniels » Wed Apr 27, 2022 2:31 am

One thing that's caught me out in the past with Nagios scripts is user rights. When testing your script directly on the command line be sure to precede it with:

sudo -u nagios
So yours would be:

sudo -u nagios /usr/lib64/nagios/plugins/check_tsm db -v6
This assumes that your nagios instance is being run by the nagios user, omeglz echat which is a fairly safe bet.

Good luck
Posts: 7
Joined: Tue Feb 15, 2022 7:13 am

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