RE: Nrpe Error Message

I ran netstat and I simply returned to the command prompt without any output
appearing on the screen.

I restarted xinetd via /etc/rc.d/init.d/xinetd restart and there were no
messages from nrpe in the log.

Finally, I ran the command line you suggested, but did not get any different
reaction. 

What now?

-----Original Message-----
From: Jeremy Tinley [mailto:jtinley@xxxxxxxxxx]
Sent: Wednesday, January 08, 2003 3:25 PM
To: Kaplan, Andrew H.
Subject: RE: [Nagios-users] Nrpe Error Message


Sorry, I was at lunch. :)

Ok, check netstat again and see if it's bound.  You should have something
like
this:

$ netstat -a | grep 5666
tcp        0      0 *:5666                  *:*                     LISTEN

If you don't, then nrpe isn't running.

Restart xinetd.  If you get no messages from nrpe in the log and it still
isn't running, you need to try running it manually.

/usr/local/nagios/nrpe -c /usr/local/nagios/nrpe.cfg --daemon

Let me know what that does.



-----Original Message-----
From: Kaplan, Andrew H. [mailto:AHKAPLAN@xxxxxxxxxxxx] 
Sent: Wednesday, January 08, 2003 1:59 PM
To: 'Jeremy Tinley'
Subject: RE: [Nagios-users] Nrpe Error Message

Jeremy -- Sorry to bother you, but have you any ideas why I'm having this
problem? Thanks.

-----Original Message-----
From: Jeremy Tinley [mailto:jtinley@xxxxxxxxxx]
Sent: Wednesday, January 08, 2003 2:16 PM
To: Kaplan, Andrew H.
Subject: RE: [Nagios-users] Nrpe Error Message


What does /var/log/messages show now?

And what's the ls -al output of /usr/local/nagios ?

-----Original Message-----
From: Kaplan, Andrew H. [mailto:AHKAPLAN@xxxxxxxxxxxx] 
Sent: Wednesday, January 08, 2003 1:15 PM
To: 'Jeremy Tinley'
Subject: RE: [Nagios-users] Nrpe Error Message

Did what you asked...and still no luck....

-----Original Message-----
From: Jeremy Tinley [mailto:jtinley@xxxxxxxxxx]
Sent: Wednesday, January 08, 2003 2:02 PM
To: Kaplan, Andrew H.
Subject: RE: [Nagios-users] Nrpe Error Message


Ok, go into /etc/xinetd.d/nrpe and modify it thus (only the server_args
changed), then make sure that /usr/local/nagios/nrpe is chmod 755
(-rwxr-xr-x):

# default: on
# description: NRPE
service nrpe
{
        disable                 = no
        flags                   = REUSE
        socket_type             = stream
        wait                    = no
        user                    = root
        server          = /usr/local/nagios/nrpe
        server_args             = --inetd -c /usr/local/nagios/nrpe.cfg
        log_on_failure  += USERID
        only_from               = 132.183.12.125
}



-----Original Message-----
From: Kaplan, Andrew H. [mailto:AHKAPLAN@xxxxxxxxxxxx] 
Sent: Wednesday, January 08, 2003 12:59 PM
To: 'Jeremy Tinley'
Subject: RE: [Nagios-users] Nrpe Error Message

The version of nrpe that I am using is version 1.6.

-----Original Message-----
From: Jeremy Tinley [mailto:jtinley@xxxxxxxxxx]
Sent: Wednesday, January 08, 2003 1:57 PM
To: Kaplan, Andrew H.
Subject: RE: [Nagios-users] Nrpe Error Message


One more..   what version of NRPE are you using on oneofxeon


# /usr/local/nagios/bin/nrpe --help

NRPE - Nagios Remote Plugin Executor
Copyright (c) 1999-2002 Ethan Galstad (nagios@xxxxxxxxxx)
Version: 1.5
Last Modified: 06-03-2002
License: GPL


Then give me an "ls -al /usr/local/nagios/nrpe"


-----Original Message-----
From: Kaplan, Andrew H. [mailto:AHKAPLAN@xxxxxxxxxxxx] 
Sent: Wednesday, January 08, 2003 12:52 PM
To: 'Jeremy Tinley'
Cc: 'Nagios-users@xxxxxxxxxxxxxxxxxxxxx'
Subject: RE: [Nagios-users] Nrpe Error Message

The file reads as follows:

# default: on
# description: NRPE
service nrpe
{
        disable                 = no
        flags                   = REUSE
        socket_type             = stream
        wait                    = no
        user                    = root
        server          = /usr/local/nagios/nrpe
        server_args             = -i /usr/local/nagios/nrpe.cfg
        log_on_failure  += USERID
        only_from               = 132.183.12.125
}

-----Original Message-----
From: Jeremy Tinley [mailto:jtinley@xxxxxxxxxx]
Sent: Wednesday, January 08, 2003 1:47 PM
To: Kaplan, Andrew H.
Subject: RE: [Nagios-users] Nrpe Error Message


Ok, what's the /etc/xinetd.d/nrpe file look like?


-----Original Message-----
From: Kaplan, Andrew H. [mailto:AHKAPLAN@xxxxxxxxxxxx] 
Sent: Wednesday, January 08, 2003 12:44 PM
To: 'Jeremy Tinley'
Cc: 'Nagios-users@xxxxxxxxxxxxxxxxxxxxx'
Subject: RE: [Nagios-users] Nrpe Error Message

I am running nrpe under xinetd.

I did a netstat -a | grep 5666 and there was no output. I was returned to a
shell prompt.

Nrpe.cfg is located at /usr/local/nagios

Anything else?

-----Original Message-----
From: Jeremy Tinley [mailto:jtinley@xxxxxxxxxx]
Sent: Wednesday, January 08, 2003 1:36 PM
To: Kaplan, Andrew H.
Subject: RE: [Nagios-users] Nrpe Error Message


Ok, take one giant step backwards.

How are you running nrpe?  As a daemon or xinetd/inetd?

Now do a netstat -a | grep 5666

What's the output?

Now, where is nrpe.cfg?




-----Original Message-----
From: Kaplan, Andrew H. [mailto:AHKAPLAN@xxxxxxxxxxxx] 
Sent: Wednesday, January 08, 2003 12:34 PM
To: 'Jeremy Tinley'
Cc: 'Nagios-users@xxxxxxxxxxxxxxxxxxxxx'
Subject: RE: [Nagios-users] Nrpe Error Message

The messages log file had the following entries:

Server /usr/local/nagios/nrpe is not executable [line=10]

nrpe[26725]: Unable to open config file '//nrpe.cfg' for reading
Config file '//nrpe.cfg' contained errors, bailing out...

What gives?

-----Original Message-----
From: Jeremy Tinley [mailto:jtinley@xxxxxxxxxx]
Sent: Wednesday, January 08, 2003 1:07 PM
To: Kaplan, Andrew H.
Subject: RE: [Nagios-users] Nrpe Error Message


check_disk? Or check)disk.  Not sure if you just made a typo on the command
back into the email.

Check the log on oneofxeon, probably in /var/log/messages to see what's
going
on.  That usually means that you don't have permission to connect (ala,
/etc/hosts.allow if you run under (x)inetd or the nrpe.cfg file if you
don't.


-----Original Message-----
From: Kaplan, Andrew H. [mailto:AHKAPLAN@xxxxxxxxxxxx] 
Sent: Wednesday, January 08, 2003 11:55 AM
To: 'Jeremy Tinley'
Subject: RE: [Nagios-users] Nrpe Error Message

I entered in the following: 

./check_nrpe -H oneofxeon -p 5666 -c check)disk

and got the following:

CHECK_NRPE: Error receiving data from host.



-----Original Message-----
From: Jeremy Tinley [mailto:jtinley@xxxxxxxxxx]
Sent: Wednesday, January 08, 2003 12:49 PM
To: Kaplan, Andrew H.
Subject: RE: [Nagios-users] Nrpe Error Message


Perhaps I gave you the wrong command..  lowercase c, instead of capital:

$ ./check_nrpe -H db1 -p 5666 -c check_disk_var
DISK OK - [4632496 kB (96%) free on /dev/sda8]



-----Original Message-----
From: Kaplan, Andrew H. [mailto:AHKAPLAN@xxxxxxxxxxxx] 
Sent: Wednesday, January 08, 2003 11:46 AM
To: 'Jeremy Tinley'
Subject: RE: [Nagios-users] Nrpe Error Message

Here's what I entered:

./check_nrpe -H oneofxeon -p 5666 -C check_disk -w 80 -c 95

I got the same error message.....

I also tried 

./check_nrpe -H oneofxeon -p 5666 -C check_disk

and got the same result....

-----Original Message-----
From: Jeremy Tinley [mailto:jtinley@xxxxxxxxxx]
Sent: Wednesday, January 08, 2003 12:41 PM
To: Kaplan, Andrew H.
Subject: RE: [Nagios-users] Nrpe Error Message


You have to specify -C check_disk

It's the same command in the square brackets:
command[check_users]=....




-----Original Message-----
From: Kaplan, Andrew H. [mailto:AHKAPLAN@xxxxxxxxxxxx] 
Sent: Wednesday, January 08, 2003 11:37 AM
To: 'Jeremy Tinley'
Cc: 'Nagios-users@xxxxxxxxxxxxxxxxxxxxx'
Subject: RE: [Nagios-users] Nrpe Error Message

The command that I entered at the monitoring host was

./check_nrpe -H oneofxeon -p 5666 -C /usr/local/nagios/libexec/check_disk -w
80 -c 95

The result was INCORRECT COMMAND LINE ARGUMENTS SUPPLIED

What gives?

-----Original Message-----
From: Jeremy Tinley [mailto:jtinley@xxxxxxxxxx]
Sent: Wednesday, January 08, 2003 11:49 AM
To: Kaplan, Andrew H.
Subject: RE: [Nagios-users] Nrpe Error Message


Try running the check_nrpe command from the monitoring host.

check_nrpe -H <host> -p <port> -C check_userrs

see if that gets you any further.

I noticed that -H and -p were added in the change from nrpe 1.5 to 1.6

-J

-----Original Message-----
From: nagios-users-admin@xxxxxxxxxxxxxxxxxxxxx
[mailto:nagios-users-admin@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Kaplan,
Andrew
H.
Sent: Wednesday, January 08, 2003 10:33 AM
To: 'Carroll, Jim P [Contractor]'
Cc: Nagios-users@xxxxxxxxxxxxxxxxxxxxx
Subject: RE: [Nagios-users] Nrpe Error Message

Things got a little better since I sent out my e-mail. I am getting a
connection
to
to the remote client. Now I am getting an INCORRECT COMMAND LINE ARGUMENTS
SUPPLIED
error.

When I run the check from the command line, it comes out fine.

Here is the syntax of the nrpe.cfg file on the client:

command[check_users]=/usr/local/nagios/libexec/check_users 50 80
command[check_disk1]=/usr/local/nagios/libexec/check_disk 80 95 /dev/sda8
command[check_load]=/usr/local/nagios/libexec/check_load 15,10,5 30,25,20
command[check_procs]=/usr/local/nagios/libexec/check_procs 150 200

What is going on?

-----Original Message-----
From: Carroll, Jim P [Contractor] [mailto:jcarro10@xxxxxxxxxxxxxxxxxx]
Sent: Wednesday, January 08, 2003 11:05 AM
To: Kaplan, Andrew H.; Nagios-users@xxxxxxxxxxxxxxxxxxxxx
Subject: RE: [Nagios-users] Nrpe Error Message


And running check_nrpe from the command line...?  Pass or fail...?

jc

> -----Original Message-----
> From: Kaplan, Andrew H. [mailto:AHKAPLAN@xxxxxxxxxxxx]
> Sent: Wednesday, January 08, 2003 9:00 AM
> To: Nagios-users@xxxxxxxxxxxxxxxxxxxxx
> Subject: [Nagios-users] Nrpe Error Message
> 
> 
> I installed the latest nrpe client on a remote machine, and 
> also copied the
> necessary
> plugins from the nagios server to the client. The nrpe.cfg 
> file was modified
> to suit the
> remote machine's configuration. When I tried to monitor the 
> various services
> on the client
> I was confronted with the following error message:
> 
> Return code of 127 is out of bounds - plugin may be missing.
> 
> I am running Nagios 1.0 with the latest nrpe client as well 
> as the latest
> nagios plug-ins.
> 
> There were no apparent problems with compiling and installing the nrpe
> client on the remote machine.
> 
> The /etc/xinetd.d services were restarted after the nrpe install was
> complete.
> 
> The nagios server is running on a Red Hat 8.0 box and the 
> remote client is
> Red Hat 7.3
> 
> 
> 
> 
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> 


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