Internal Server Error Occuring when trying to access Nagios on the browser

[Ifeanyi Agu]

Hello Jim,

Thanks for the help so far. I disabled SELinux and I tried starting Nagios again but I noticed that Nagios was not running. I am logged in as the root user in the Linux. Could that be the problem why my Nagios is not running?

Ifeanyi Agu

08063728802

--- On Wed, 25/8/10, Jim Avery <jim at jimavery.me.uk> wrote:

From: Jim Avery <jim at jimavery.me.uk>
Subject: Re: [Nagios-users] Internal Server Error Occuring when trying to access Nagios on the browser
To: "Nagios Users List" <nagios-users at lists.sourceforge.net>
Date: Wednesday, 25 August, 2010, 12:47 PM

On 25 August 2010 12:22, Ifeanyi Agu <ifepet2002 at yahoo.com> wrote:
>
> Hello Jim,
>
> I used this link (http://www.kernelhardware.org/install-nagios-on-centos-5/) to install my Nagios. I did all that you said while installing. I ran this command ps -ef | grep nagios and I saw an output

What output did you see?

> but I did not see anything that shows me whether Nagios Daemon is running or not. How do I know?

You should see the nagios process(es) listed (possibly along with the
grep process which is part of the command you just ran)  something
like this:

nagios     401     1 23 Aug13 ?        2-18:48:18
/usr/local/nagios/bin/nagios -d /usr/local/nagios/etc/nagios.cfg
nagios   17576   401  0 12:42 ?        00:00:00
/usr/local/nagios/bin/nagios -d /usr/local/nagios/etc/nagios.cfg
nagios   17650   401  0 12:42 ?        00:00:00
/usr/local/nagios/bin/nagios -d /usr/local/nagios/etc/nagios.cfg
nagios   17725   401  1 12:42 ?        00:00:00
/usr/local/nagios/bin/nagios -d /usr/local/nagios/etc/nagios.cfg
nagios   17728   401  1 12:42 ?        00:00:00
/usr/local/nagios/bin/nagios -d /usr/local/nagios/etc/nagios.cfg
mylogin   17746   526  0 12:42 pts/0    00:00:00 grep nagios

Looking at the comments on the web page where you got the instructions
from, it also seems likely that SELINUX is enabled on your Centos
linux OS.  Personally I would disable it as it's a right pain to
manage otherwise.  I don't run RedHat or Centos myself so can't tell
you how to do that.

Please can I also ask you to send your emails to this list in plain
text?  The formatting can be a bit tricky to work with when quoting
back a reply.

Cheers,

Jim

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