I believe I saw you are running RHEL4. SELinux is enabled by default. Have you disabled it or set up a policy to allow these? It looks like you haven't. See if you have avc denied messages in /var/log/messages. If so, search the archives for a couple of example nagios policies for SELinux.
-- Marc > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:nagios-users- > [EMAIL PROTECTED] On Behalf Of REMY Julien > Sent: Friday, June 16, 2006 4:28 AM > To: Friedrich Clausen; nagios-users@lists.sourceforge.net > Subject: Re: [Nagios-users] Problems with the web interface of Nagios > > In /var/log/httpd/error_log : > > [Fri Jun 16 11:23:37 2006] [error] [client 127.0.0.1] (13)Permission > denied: exec of '/usr/lib/nagios/cgi/tac.cgi' failed, referer: > http://localhost/nagios/side.html > [Fri Jun 16 11:23:37 2006] [error] [client 127.0.0.1] Premature end of > script headers: tac.cgi, referer: http://localhost/nagios/side.html > [Fri Jun 16 11:23:38 2006] [error] [client 127.0.0.1] File does not exist: > /var/www/html/favicon.ico > > Thanks > > -----Message d'origine----- > De : Friedrich Clausen [mailto:[EMAIL PROTECTED] > Envoyé : vendredi 16 juin 2006 11:15 > À : REMY Julien > Cc : nagios-users@lists.sourceforge.net > Objet : Re: [Nagios-users] Problems with the web interface of Nagios > > 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... _______________________________________________ Nagios-users mailing list Nagios-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nagios-users ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null