This slide briefly describes how to install DevStack Juno with Neutron using VirtualBox and Ubuntu. The main difference from the two videos: http://youtu.be/zoi8WpGwrXM and http://youtu.be/1GgODv34E08 are 1) Juno, not Icehouse and 2) two NICs (NAT & Host-only) are used in Ubuntu virtual machine.