I would like to request for you to add a description of what the program does and a link to the original website so more information can be gathered.  --- //[[wiki:user:mfillpot|Matthew Fillpot]] 2012/12/19 17:56//
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I don't mind doing that but the page needs to be moved from "install_nagios_on_slackware" to something like "nagios_on_slackware".  --- //[[wiki:user:arfon|arfon]]  20121221 4:48pm \\
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In my case (v 14.1 stable), I had to change the Loadmodule line at /etc/httpd/mod_php.conf

from:
LoadModule php5_module lib/httpd/modules/libphp5.so

to:
LoadModule php5_module /usr/lib/httpd/modules/libphp5.so

to get php to work, and so Nagios, to stop getting a "Connection restarted" error on Firefox.
Maybe you should point checking that line in order to get php working fine.