Nagios nrpe on Remote host

[Atul Kamat]

Hi Vincent!

 I made the change as u per your advice . But i`ve got a feeling that the
preoblem is with the xinetd configuration on the remote host.if i check
the /var/log/messages i get the following error:

Sep 29 17:32:44 phoenix nagios: SERVICE NOTIFICATION: Atul;nyx;/dev/hda1
Free Space;CRITICAL;notify-by-epager;Connection refused by host
Sep 29 17:32:44 phoenix nagios: SERVICE NOTIFICATION: Atul;nyx;/dev/hda1
Free Space;CRITICAL;notify-by-email;Connection refused by host

The following is what`s in the /etc/xinetd.d/nrpe file

# default:on
# description:NRPE
service nrpe
{
    flags = REUSE
    socket_type= stream
    wait = no
    user = nagios
    server = /usr/local/nagios/nrpe
    server_args = -i /usr/local/nagios/nrpe.cfg
    log_on_failure+=USERID
    disable = no
}
I also tried changing the user to root...but that didnt help either.The
user nagios exists on the machine

I havent made ne changes to the nrpe.cfg file except enabled debugging .
Shud i make ne changed to the nrpe.cfg file??

the following are the excerpts of the nrpe.cfg file on the remote host
# ALLOWED HOST ADDRESSES
# This is a comma-delimited list of IP address of hosts that are allowed
# to talk to the NRPE daemon.
#
# NOTE: The daemon only does rudimentary checking of the client's IP
#       address.  I would highly recommend adding entries in your
#   /etc/hosts.allow file to allow only the specified host to connect
#   to the port you are running this daemon on.
#
# NOTE: This option is ignored if NRPE is running under either inetd or
xinetd

allowed_hosts=127.0.0.1

does this thing have nething to do with the problem ..
Please Advice

Atul Kamat
Linux Network Engineer,
World2Web Soft Technologies Private Ltd,
26, Koramangala Industrial Layout,
Bangalore - 560095,
INDIA
Phone :98860 24705
e-mail: atulk at world2web.com


> You should use:
> define command{
>         command_name    check_nrpe
>         command_line    /usr/local/nagios/libexec/check_nrpe  -H
> $HOSTADDRESS$ -c $ARG1$
>         }
>
> Notice the -H ...
>
> Regards,
>
> Vincent Alloo
> TI France Design Systems Operations Manager

> Europe and Middle East IT Services
> Texas Instruments France
>
> E-Mail: v-alloo at ti.com
> Phone: +33 4 93 22 26 97
> Mobile: +33 6 82 13 00 80
>> -----Original Message-----
>> From: nagios-users-admin at lists.sourceforge.net [mailto:nagios-users-
admin at lists.sourceforge.net] On Behalf Of Atul Kamat
>> Sent: Wednesday, September 29, 2004 7:57 AM
>> To: nagios-users at lists.sourceforge.net
>> Subject: [Nagios-users] Nagios nrpe on Remote host
>> Hi!
>>   I installed and configured nagios to monitor our servers and it took
> me
>> a whole day thanx to an error in the documentation.
>>   I installed a utility called NRPE so that i cud execute commands on
>> remote machine.i setup xinetd and installed the plugins on the remote
host as well.Below are the excerpts of the:::
>> services.cfg file:
>> define service{
>> 	use				generic-service		; Name
> of service
>> template to use
>> 	host_name			nyx
>> 	service_description		/dev/hda1 Free Space
>> 	is_volatile			0
>> 	check_period			24x7
>> 	max_check_attempts		3
>> 	normal_check_interval		5
>> 	retry_check_interval		1
>> 	contact_groups			linux-admins
>> 	notification_interval		120
>> 	notification_period		24x7
>> 	notification_options		w,u,c,r
>> 	check_command			check_nrpe!check_disk1
>> 	}
>> checkcommands.cfg file::
>> define command{
>>         command_name    check_nrpe
>>         command_line    usr/local/nagios/libexec/check_nrpe
> $HOSTADDRESS$
>> -c $ARG1$
>>         }
>> nrpe.cfg file on the remote machine::
>> #command i want to execute
>> command[check_disk1]=/usr/local/nagios/libexec/check_disk -w 20 -c 10
> -p
>> /dev/hda1
>> could neone tell me what`s going wrong.
>> Nagios display the disk space data of the local machine rather than
> the
>> remote machine.
>> Thanx,
>> Warm Regards
>> Atul Kamat
>> Linux Network Engineer,
>> World2Web Soft Technologies Private Ltd,
>> 26, Koramangala Industrial Layout,
>> Bangalore - 560095,
>> INDIA
>> Phone :98860 24705
>> e-mail: atulk at world2web.com
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::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. 
::: Messages without supporting info will risk being sent to /dev/null