Problems with the web interface of Nagios

[Friedrich Clausen]

Hello all,

Voigt Thomas wrote:
> Hi!
> 
> REMY Julien wrote:
> 
>> Yes, I checked my Nagios configuration (nagios -v nagios.cfg) 
>> and it does not have errors. But if I restart Nagios now, a 
>> message is posted : Starting Network Monitor: nagios. 
>> Moreover, if I want to connect me in the web interface, I 
>> have menus on the left but next to I have a message : 
>> Internal Server Error.

In addition to Thomas' suggestions, I would also look at the Apache 
error log, usually /var/log/httpd/error_log on Red Hat, check httpd.conf 
for the ErrorLog statement to be sure of the location. It may have some 
more detailed messages.

> 
> This looks like the nagios process isn't running.
> Please check, if it is running with 'ps -ef | grep nagios'!
> The output should look like this:
> 
> lx0004:~ # ps -ef | grep nagios
> nagios    8300     1  0 Jun06 ?        00:08:26
> /usr/local/nagios/bin/nagios -d /usr/local/nagios/etc/nagios.cfg
> 
> Note that nagios is running under the user 'nagios' (see first column).
> Check also, if the user nagios is the owner and has the appropriate
> rights to the config files. 
> 
> Maybe you're checking under 'root' and there is all o.k. and nagios
> starts under another account, which hasn't the rights to read/write the
> nagios files...


Regards,

Fred.





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