Setup SSH to virtualbox

1. Select your vbox image that you want to add additional harddisk. Left click -> Settings -> Networking -> Change Attached adapter to Bridged Adapter
2. Launch your virtualbox system
3. Install open ssh server
4. edit /etc/network/interfaces   -> edit to static ip                                                                                  auto eth1
   iface eth1 inet static
   address 192.168.6.108
   netmask 255.255.255.0
5. /etc/init.d/networking restart  -> restart your network
6. Use software such as putty or terminal ssh <username>@192.168.6.108
7. Input your login name and password