Simply, running an Ubuntu Server through Virtualbox?
1789
How to install Ubuntu on VirtualBox?
100407
How do I set up shared folders in a Windows Virtualbox guest?
29164
Setting up vhost on VirtualBox with Ubuntu 16.04
45045
What packages do i need to install on an ubuntu desktop for it to "become a server"?
156165
What is the simplest way to have remote GUI access to Ubuntu 16.04 “server” from Ubuntu 16.04 “desktop”?
36021
What's the recommended way to move a VirtualBox VM to another computer?
154942
What happen if I install VirtualBox Guest Additions on a host?
29987
How to let a VirtualBox guest (running Windows) access the Internet?
24802
How to install VirtualBox to use Windows or other OS?
4625
How do I install Ubuntu Server (step-by-step)?
22704
How to run a headless VM with VBoxManager as a windows service
23871
How to run an encrypted virtual machine?
93096
Can I backup a running virtualbox Virtual machine?
49715
Virtualbox Server/Client topology
23503
How to make my own Dropbox / Ubuntu One server at home?
124363
How to build a single virtual machine on top of multiple computers?
24093
Ubuntu on Microsoft Virtual PC