I am installing on my local CentOS 6.4 system. I have a small home network - 4 computers. Before I began the Drupal install, I installed Apache, MySQL, and PHP. I made sure I view the Apache screen from every computer in the local network.
To install Drupal 7 on CentOS 6.4, I followed the instructions I found here:
When I enter "localhost" in the browser's URL, Drupal comes up just file. But, if I enter the IP address, or FQDN, I get the Apache screen