They run on the following setup:

- CentOS 4.6 ( Redhat Enterprise )
- Apache 2.2- MySQL 5
- PHP 5.2.6 with Zend Optimizer 3.3
- Perl 5.8.5
- Kernel 2.6.9 0-23
- cPanel 11
- phpMyAdmin 2.9.0.2- Exim mail server

You can view our php info and all the modules installed here: http://dreaminghost.com/phpinfo.php