Nagios Support Forum

Posted: **Tue Jun 18, 2024 7:33 am**

I have an server up&running with an Relianoid Loadbalancer based on Debian.
I have setup some monitorring services for

ssh
cherokee
cron
zevenet

the syntax is always:

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$USER1$/check_ncpa.py -H $HOSTADDRESS$ $ARG1$ -t 'token' -P 5693 -M 'services' -q 'service=zevenet,status=running'
$USER1$/check_ncpa.py -H $HOSTADDRESS$ $ARG1$ -t 'token' -P 5693 -M 'services' -q 'service=ssh,status=running'
$USER1$/check_ncpa.py -H $HOSTADDRESS$ $ARG1$ -t 'token' -P 5693 -M 'services' -q 'service=cron,status=running'
$USER1$/check_ncpa.py -H $HOSTADDRESS$ $ARG1$ -t 'token' -P 5693 -M 'services' -q 'service=cherokee,status=running'

When running systemctl is get always return that the service is up&running.

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# systemctl status cherokee
● cherokee.service - LSB: cherokee
     Loaded: loaded (/etc/init.d/cherokee; generated)
     Active: active (exited) since Mon 2024-06-17 15:49:56 CEST; 22h ago
       Docs: man:systemd-sysv-generator(8)
        CPU: 51ms

Jun 17 15:49:56 hostname systemd[1]: Starting cherokee.service - LSB: cherokee...
Jun 17 15:49:56 hostname cherokee[716]: Starting cherokee web server: cherokee                [ OK ]
Jun 17 15:49:56 hostname systemd[1]: Started cherokee.service - LSB: cherokee.

when running the syntax aboive I get:

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/usr/local/nagios/libexec/check_ncpa.py -H hostname -t 'token' -P 5693 -M 'services' -q 'service=cherokee,status=running'
UNKNOWN: No services found for service names: cherokee

I have no idea what here is going wrong ....

Posted: **Tue Jun 18, 2024 9:11 am**

What output do you see when running (with the correct host and token):

/usr/local/nagios/libexec/check_ncpa.py -H ...-t '...' -P 5693 -M 'services'

This should return a list of available services. You should also be able to see a list of available services in the NCPA web interface. The names used by systemctl and the names used by NCPA might differ.

It might also be helpful to look at logs:

/usr/local/ncpa/var/log/ncpa_listener.log
/usr/local/ncpa/var/log/ncpa_passive.log

Posted: **Tue Jun 18, 2024 9:38 am**

Hi @wagnbeu0, thanks for reaching out.

Have you tried using the NCPA GUI?

In a browser navigate to https://hostname:5693. Where hostname is the ip address or hostname of the server you want to monitor. You may have to click through the browser's advanced security option to be able to continue on (due to the https). Use the same token to login to NCPA gui as you are using on the command line.

Click on the API tab and select services as the API Endpoint. This will show you the services available to monitor and the name you need to use in the check.

For instance, on my server, the ssh service is listed as "sshd": "running", so the check syntax is like this...

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/usr/local/nagios/libexec/check_ncpa.py -H 192.168.58.128 -t '<reallylongtoken>' -P 5693 -M 'services' -q 'service=sshd,status=running'

Output:

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OK: sshd is running

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