This is an easy lab.
The shell commands I use to start an Ubuntu virtualbox look like this:
vboxmanage list vms vboxmanage startvm ub16_201712a
After I start it, I can login to it with syntax like this:
ssh -p 6222 -AY ann@localhost
If you have X-Windows installed on the host, any X-Window type tool, emacs for example, will display on the host rather than the guest:
Class02 Lab (Security)