This video shows how you can create a new CentOS 6 VM image using VirtualBox.
Additionally, you can see what needs to be done in order to install Docker successfully on older versions of CentOS (in this case it is CentOS 6.5).
PREREQUISITES: If you wish to follow this tutorial, you need to download 64Bit CentOS 6 ISO image from http://isoredirect.centos.org/centos/...
IMPORTANT NOTE: In order to make this YouTube video short and concise, the original video was edited - long/boring parts were removed. In reality it will take you much longer to setup Linux and to update everything.