1) There's an official installation guide available:
http://www.bugzilla.org/docs/4.4/en/html/installing-bugzilla.html
2) What do you mean by "not trying to access remotely"? Where did you type the IP address? Listening to port 80 alone is not enough, you have to listen on the typed IP, too. Besides that, there are may things which might be wrong, starting with your configuration, therefore you should follow the official docs, not ending with a firewall which may prevent access. Have a look at the access or and error log of httpd, which may provide additional useful information.