The following resources might be interesting if you'd like to go deeper into the subjects of this chapter: Getting Started with Oracle VM VirtualBox by Pradyumna Dash, Packt: https://www.packtpub.com/virtualization-and-cloud/getting-started-oracle-vm-virtualbox Mastering Ubuntu Server – Second Edition by Jay LaCroix, Packt: https://www.packtpub.com/networking-and-servers/mastering-ubuntu-server-second-edition