The filename you specified is check_pbsmom.sh though your command shows
check_pbsmom
From: Rahul Nabar [mailto:rpna...@gmail.com]
Sent: Thursday, January 22, 2009 4:05 PM
To: Nagios-Users Mailinglist
Subject: [Nagios-users] using NPRE to monitor pbs_mom. Error: "NRPE:
Unableto read output"
I'm a bit confused about how exactly to add stuff with NRPE to monitor
local services on my remote hosts. I got the basics out of the way and I
can already monitor the easy stuff like users, procs, swap etc.
More ambitiously, I wanted to monitor the status of my "pbs_mom" (Torque
Scheduler daemon) on each node in my cluster. I found the script
check_pbsmom.sh on the NagiosExchange (snippet below) and copied it to
my /usr/local/nagios/libexec.
Then I added this line to my nrpe.cfg
command[check_pbsmom]=/usr/local/nagios/libexec/check_pbsmom
But then I don't seem to have much success.
remotehost>/usr/local/nagios/libexec/check_nrpe -H localhost -c
check_pbsmom
NRPE: Unable to read output
If I just run the shell script though it seems to be working
/usr/local/nagios/libexec/check_pbsmom.sh
PBS_MOM OK: Daemon is running. Host is listening.
What am I doing wrong here! I'm still a bit confused about the
interaction between command.cfg on the monitoring machine and the
nrpe.cfg on the remote host.
Any advice?
--
Rahul
#!/bin/bash
# SYNOPSIS
# check_pbsmom [] [] ...
#
# DESCRIPTION
# This NAGIOS plugin checks whether: 1) pbs_mom is running and
# 2) the host is listening on the given port(s). If no port
# number is specified TCP ports 15002 and 15003 are checked.
#
# AUTHOR
# wayne.mall...@jcu.edu.au
OK=0
WARN=1
CRITICAL=2
PATH="/bin:/sbin:/usr/bin:/usr/sbin"
# Default listening ports are TCP 15004 and 42559.
if [ $# -lt 1 ] ; then
list="15002 15003"
else
list="$*"
fi
if [ `ps -C pbs_mom | wc -l` -lt 2 ]; then
echo "PBS_MOM CRITICAL: Daemon is NOT running!"
exit $CRITICAL
else
for port in $list ; do
if [ `netstat -ln | grep -E "tcp.*:$port" | wc -l` -lt 1 ]; then
echo "PBS_MOM CRITICAL: Host is NOT listening on TCP port $port!"
exit $CRITICAL
fi
done
echo "PBS_MOM OK: Daemon is running. Host is listening."
exit $OK
fi
--
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