This guide will help you setup SSL with apache2.
Note: This manual applies to ubuntu versions prior to Ubuntu Feisty
(7.04). The apache2-ssl-certificate script used in this manual isn't
included anymore starting from Feisty. Please check the official Ubuntu
documentation:
https://help.ubuntu.com/7.10/server/C/httpd.html#https-configuration for instructions how to setup apache2 with SSL.
http://www.linode.com/wiki/index.php/Apache2_SSL_in_Ubuntu
https://help.ubuntu.com/7.10/server/C/httpd.html#https-configuration