added host not appearing in web interface

[Michael Friedrich]

On 2011-06-10 22:18, Kaplan, Andrew H. wrote:
>
> Hi there --
>
> We are running Nagios 3.1.2 with the NRPE 2.12 client on our systems. 
> We recently installed the VirtualBox application
> on one of our monitored systems, and have Ubuntu 10.04 LTS 64-bit as 
> the guest operating system. We want to monitor
> the disk usage, processes, mysql server, and rsyslogd daemon on the 
> virtual machine, so the NRPE client was installed
> and configured to start on system boot. After that was done, the 
> appropriate changes were made to the various config files
>
> on the Nagios server. The virtual machine and Nagios server were 
> rebooted, in that order, after the changes were made.
>
> When going through the web interface on the Nagios server, the virtual 
> host does not appear listed in any of the pages.
>
> I confirmed the nrpe daemon was operational on the client, and also 
> verified that port 5666 was open, and the firewall on the
>
> client was deactivated. The nrpe daemon is run via the /etc/rc.local 
> file using the following command syntax:
>
> /usr/local/nrpe/bin/nrpe -n -c /usr/local/nrpe/etc/nrpe.cfg -d
>
> I checked the Nagios server, and confirmed the virtual host was listed 
> in the /etc/hosts as well as the nagios configuration
>
> files. The nslookup command, run on server and client, confirmed the 
> presence of the virtual host in the DNS database.
>
> What would cause the client not to appear in the Nagios web interface, 
> and how can I correct it?
>

check if the host has been registered into the core itsself - 
objects.cache and/or status.dat

probably a faulty configuration is causing the configuration not being 
accepted.
to be sure, please post any accurate configs on that host.

> Thanks.
>
>
>
>
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-- 
DI (FH) Michael Friedrich

Vienna University Computer Center
Universitaetsstrasse 7 A-1010 Vienna, Austria

email:     michael.friedrich at univie.ac.at
phone:     +43 1 4277 14359
mobile:    +43 664 60277 14359
fax:	   +43 1 4277 14338
web:       http://www.univie.ac.at/zid
            http://www.aco.net

Icinga Core&  IDOUtils Developer
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