Enabling SSL for Apache2 in Ubuntu

Quick recipe:

1. Create self-signed certificate:
   apache2-ssl-certificate
2. Enable SSL mod:
   a2enmod ssl
   
3. Enable name-based virtual hosts on 443:
   NameVirtualHost *:443
   
4. Add virtual-host in sites-available, and include SSL directives:
   SSLEngine On
   SSLCertificateFile /etc/apache2/ssl/apache.pem
   
5. Add 443 to ports.conf:
   Listen 443