[snip] Note that PHP 5 is not compiled with MySQL support. You need to specifically enable the MySQL extension module. This is a simple thing to do; just uncomment the relevant lines in PHP.ini and check the extensions path.
MySQLi is something completely different. [/snip]
Two things.... 1. Uncommented line 2. Never try to install over RDC...it doesn't work. Went to the data center and had the wiki running in under 5 minutes. *duh*