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Old 06-19-2012, 07:16 AM   #1
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NRPE: Monitor network connectivity from host?

I have a Linuxserver with an NRPE client installed. I want that NRPE client being able to ping serveral other IP-adresses.

This to check that the network connectivity is ok from the actual host.

Maybe this is really easy, but I am new to the monitor world so...

Any ideas?
Old 06-20-2012, 03:54 AM   #2
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it IS really easy, yes. You just configure the nagios server to run the check_ping command (or whatever you want) with check_npre instead of directly from the box. so as much as any old nrpe example will run check_disk or such, you just run something else. there's a example of the dog leg check you want in here...
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Old 06-20-2012, 06:57 AM   #3
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Thanks for the direction.

As nrpeuser I can execute for instance the check_ntp as below.

nrpeuser@suse-server:/<path>/plugins> ./check_ntp -H
NTP OK: Offset -1.311302185e-06 secs|offset=-0.000001s;60.000000;120.000000;

But I am not allowed to to do the check_icmp command.

nrpeuser@suse-server:/opt/op5/plugins> ./check_icmp -H

Warning: This plugin must be either run as root or setuid root.
To run as root, you can use a tool like sudo.
To set the setuid permissions, use the command:
chmod u+s yourpluginfile
check_icmp: Failed to obtain ICMP socket: Operation not permitted

I played around trying to give nrpeuser rights to use the command using sudoers but did not succeed...

And how should that be specified when running it using check_nrpe?


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