0. Create a new MySQL database:
mysqladmin create <database>

1. Check the apache example config files under /usr/share/webapps/${PN}/${PV}/conf (USE="vhosts")
or /var/www/localhost/htdocs/${PN}/conf and configure apache.

2 Restart apache.

3. Edit ${VHOST_ROOT}/${P}/config.php and set database settings.

4. Login to
http://${VHOST_HOSTNAME}/${VHOST_APPDIR}/admin/install/install.php
and follow the directions.

5. Don't forget to delete or remove permissions from the install.php file when you're done!