Fixed that issue, thank you so much for your help. Here is the new issue that i am having. [root@localhost nagios]# nagios -v nagios.cfg Nagios 2.9 Copyright (c) 1999-2007 Ethan Galstad (<a href="http://www.nagios.org"> http://www.nagios.org</a>) Last Modified: 04-10-2007 License: GPL Reading configuration data... Error: Cannot open config file '/etc/nagios/dependencies.cfg' for reading: No such file or directory ***> One or more problems was encountered while processing the config files... Check your configuration file(s) to ensure that they contain valid directives and data defintions. If you are upgrading from a previous version of Nagios, you should be aware that some variables/definitions may have been removed or modified in this version. Make sure to read the HTML documentation regarding the config files, as well as the 'Whats New' section to find out what has changed. <div> Thanks, Jim On 4/24/07, Marc Powell <<a href="mailto:marc@ena.com"> marc@ena.com</a>> wrote:<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> > -----Original Message----- > From: <a href="mailto:nagios-users-bounces@lists.sourceforge.net"> nagios-users-bounces@lists.sourceforge.net</a> [mailto:<a href="mailto:nagios-users-">nagios-users-</a> > <a href="mailto:bounces@lists.sourceforge.net">bounces@lists.sourceforge.net</a>] On Behalf Of James Emerson > Sent: Tuesday, April 24, 2007 12:18 PM > To: <a href="mailto:nagios-users@lists.sourceforge.net">nagios-users@lists.sourceforge.net</a> > Subject: [Nagios-users] Issues starting nagios... > > Following the directions at: > <a href="http://wiki.centos.org/Nagios_on_CentOS_4.x?highlight=%28nagio%29">http://wiki.centos.org/Nagios_on_CentOS_4.x?highlight=%28nagio%29</a> > > When I go to start nagios I get this error: > > nagios -v nagios.cfg > nagios: error while loading shared libraries: libltdl.so.3: cannot open > shared object file: No such file or directory It seems that the RPM's you installed have an undisclosed dependency on a file that's not installed on your machine. I believe that /usr/lib/libltdl.so.3 is part of the libtool-libs package. It is under CentOS 3 at least. # rpm -q --whatprovides libltdl.so.3 libtool-libs-1.4.3-6 -- Marc ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. <a href="http://sourceforge.net/powerbar/db2/">http://sourceforge.net/powerbar/db2/</a> _______________________________________________ Nagios-users mailing list <a href="mailto:Nagios-users@lists.sourceforge.net">Nagios-users@lists.sourceforge.net</a> <a href="https://lists.sourceforge.net/lists/listinfo/nagios-users">https://lists.sourceforge.net/lists/listinfo/nagios-users </a> ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null </blockquote></div>