Nagios NRPE Help.

mohd mustaquim m_mustaquim at yahoo.com
Fri Apr 29 19:32:54 CEST 2005


Hello Fernando ,

         Can you provide me with your config files . I
tried this options but it did not work either.

-sh-2.05b$ ./check_nrpe -H narmadasunplb -c check_root
-n
CHECK_NRPE: Socket timeout after 10 seconds.

After increasing the timeout value the result is 

[nagios at monitorplb src]$ ./check_nrpe -H narmadasunplb
-c check_root -t 20 -n
CHECK_NRPE: Received 0 bytes from daemon.  Check the
remote server logs for error messages.

Also i see the following error in my nrpe daemon
running server

Apr 29 13:00:18 narmadasunplb nrpe[6684]: [ID 421412
daemon.error] Could not read request from clien
t, bailing out...

Can you tell me whether login also matter in this case
. i.e if check nrpe on one machine as root and start
nrpe daemon on other machine as nagios user does that
impact.

Thanks in advance.

Mustaquim.

--- Fernando Gutierrez <fernando_gh at terra.com.pe>
wrote:

> I had the exact same problem two days ago, and after
> suffering for hours 
> I found the answer was the SSL, you can compile nrpe
> with or without 
> support for it, and the plugin uses it for default,
> you must add a -n to 
> the command in order to tell the nagios machine to
> tell it not to use 
> it. So:
> 
>         command_line $USER1$/check_nrpe -H
> $HOSTADDRESS$ -c $ARG1$ -n
> 
> try this.
> 
> 
> 
> mohd mustaquim wrote:
> 
> >Hello Gurus ,
> >
> >I would need any ones help to resolve the problem
> >faced by me . I am very new to nagios . May be one
> of
> >you experts can help me
> >
> >I explain the details as follows .
> >
> >1) Please find my minimal.cfg file attached as
> below
> >
> >I am attaching only the part which i am testing .
> >
> >a) defination for check_nrpe
> >
> >define command{
> >        command_name check_nrpe
> >        command_line $USER1$/check_nrpe -H
> >$HOSTADDRESS$ -c $ARG1$
> >        }
> >
> >b) Host where the nrpe daemon is running on port
> 5666
> >
> >define host{
> >        host_name                     
> narmadasunplb  
> > ; The name of this host template
> >        alias                         
> >Enovia-Indus-Mumbai-3DCOM-Server.
> >        address                        172.30.16.74
> >        use                           
> Industemplate
> >        }
> >
> >
> >c)  Defination of services in minimal.cfg
> >
> >	define service{
> >        name                           
> >generic-service
> >        active_checks_enabled           1       
> >        passive_checks_enabled          1       
> >        parallelize_check               1       
> >        obsess_over_service             1    
> >        check_freshness                 0    
> >        notifications_enabled           1    
> >        event_handler_enabled           1    
> >        flap_detection_enabled          1    
> >        failure_prediction_enabled      1     
> >        process_perf_data               1     
> >        retain_status_information       1     
> >        retain_nonstatus_information    1     
> >        contact_groups                  ITD
> >        retry_check_interval            1
> >        notification_interval           960
> >        notification_period             24x7
> >        check_period                    24x7
> >        max_check_attempts              4
> >        is_volatile                     0
> >
> >  
> >	define service{
> >        use                            
> >generic-service         ; Name of service template
> to
> >use
> >        host_name                      
>
>bladeplb,nileplb,narmadasunplb,bldaix1plb,bldaix8plb,novaplb,omegasunplb,bldaix2plb
> >        service_description             Root
> Partition
> >        check_command                  
> >check_nrpe!check_root
> >        }
> >
> >
> >d)   the nrpe.cfg file , Please note that
> 172.30.16.74
> >is narmadasunplb machine ip address and
> 172.30.16.171
> >is the machine where nagios monitor is running
> >
> >
> >server_port=5666
> >
> >server_address=172.30.16.74
> >
> >allowed_hosts=127.0.0.1,172.30.16.171,172.30.16.74
> >
> >nrpe_user=nagios
> >
> >nrpe_group=nagios
> >
> >debug=0
> >
> >command_timeout=60
> >
>
>command[check_users]=/usr/local/nagios/libexec/check_users
> >-w 5 -c 10
>
>command[check_load]=/usr/local/nagios/libexec/check_load
> >-w 15,10,5 -c 30,25,20
>
>command[check_disk1]=/usr/local/nagios/libexec/check_disk
> >-w 20 -c 10 -p /dev/hda1
>
>command[check_root]=/u/users/nagios/plugins/check_disk
> >-w 20 -c 10 -p /dev/dsk/c0t0d0s1
>
>command[check_zombie_procs]=/usr/local/nagios/libexec/check_procs
> >-w 5 -c 10 -s Z
>
>command[check_total_procs]=/usr/local/nagios/libexec/check_procs
> >-w 150 -c 200
> >
> >e) As a test i am running command 
> >
> >./nrpe -c /u/users/nagios/nrpe.cfg --daemon from
> the
> >plugins directory 
> >
> >f) If i check this check_root command from this
> >machine only then it works fine as can be seen
> >
> >$ ./check_nrpe -H narmadasunplb -c check_root
> >
> >DISK OK [4156421 kB (40%) free on
> /dev/dsk/c0t0d0s1]
> >
> >g) However when the same command is run from the
> >server on which the apache server i.e 172.30.16.171
> is
> >running i get the following error.
> >
> >-sh-2.05b$ ./check_nrpe -H narmadasunplb -c
> check_root
> >CHECK_NRPE: Socket timeout after 10 seconds.
> >
> >I have checked the entire web sites but no where
> any
> >proper solution is mentioned .
> >
> >Can any one please help me.
> >
> >Thanks in advance.
> >
> >Mustaquim.
> >
> >
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> 


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