Vagrant and VirtualBox install on Ubuntu 18
From MyWiki
https://websiteforstudents.com/install-the-latest-virtualbox-on-ubuntu-18-04-lts/
https://stegard.net/2016/10/virtualbox-secure-boot-ubuntu-fail/
- Add the VirtualBox repository key:
wget -q https://www.virtualbox.org/download/oracle_vbox_2016.asc -O- | sudo apt-key add - wget -q https://www.virtualbox.org/download/oracle_vbox.asc -O- | sudo apt-key add -
- Add the VirtualBox repository