Hi all, looking for my Nagios gurus out there.
I'm trying to monitor some Windows systems using Nagios through OSSIM. OSSIM
is just an SIEM platform that rolls a bunch of open source security stuff
like snort, nagios, ntop, openvas, etc. into one nice package with a great
web interface. It ships with Nagios3, and it sort of has its own idea of
where/how nagios configs should be placed.
Regardless, I am trying to use the "check_nt" command to poll various
information on my Windows servers. So far, a lot of the checks are working
properly, but some are not and I can't figure out why. The cfg file for the
server has the following service check for disk usage:
# Create a service for monitoring D:\ disk usage
# Change the host_name to match the name of the host you defined above
define service{
use generic-service
host_name SERVERNAME
service_description D:\ Drive Space
check_command check_nt!USEDDISKSPACE!-l d
}
Within the actual OSSIM web site where you can see statistics/info on your
monitored systems, it shows an "OKAY" for many of the checks, but for this
USEDDISKSPACE check, it says: missing -l parameters
That references check_nt, I am fairly certain means "nt.cfg" which is
located at /etc/nagios-plugins/config and has the following content:
# 'check_nt' command definition
define command {
command_name check_nt
command_line /usr/lib/nagios/plugins/check_nt -H '$HOSTADDRESS$'
-p 12489 -v '$ARG1$' '$ARG2$' '$ARG3$'
}
I hardcoded the port into that command as none of the checks were working at
all without it. Now the checks for memory, CPU, etc. work - but this one
still doesn't. Moving on.
The file located at /usr/lib/nagios/plugins/check_nt seems to be a binary
file of some sort. I am assuming that because catting it just spits out a
bunch of garbage.
The "-l d" argument above tells it to check the disk space on drive letter
D. I know that check_nt is working properly because if I manually run it
from the command line, it's successful:
hostname:/etc/nagios-plugins/config# /usr/lib/nagios/plugins/check_nt -H
10.0.10.10 -p 12489 -v USEDDISKSPACE -l d
d:\ - total: 2.00 Gb - used: 0.01 Gb (1%) - free 1.99 Gb (99%) | 'd:\ Used
Space'=0.01Gb;0.00;0.00;0.00;2.00
So, that works. Where is the disconnect between what I'm doing on the
command line and what's in the config script? I'm at a loss. Any feedback or
assistance is greatly appreciated.
Thanks all!
--
"The world's my oyster, a hotel room's my prison cell..."
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