Quoting ge:
> Alias /bugzilla /usr/lib/cgi-bin/bugzilla
> AliasMatch .*/bugzilla/ /usr/lib/cgi-bin/bugzilla
>
>
> Options +FollowSymLinks +Indexes +ExecCGI
> AddHandler cgi-script .cgi
> DirectoryIndex index.cgi
> AllowOverride Limit Indexes
>

> ...........
> restarted apache2, I still get text only text screen with url:
> http://localhost/cgi-bin/bugzilla/index.cgi


What do you get with http://localhost/bugzilla ??? You shouldn't need
cgi-bin since you added the Alias for it. Are you running SELinux?