This book explains the basics of virtualization and will help you create your own container frameworks like Docker, but a slimmed-down version. Before we get into that process, we need to understand how the Linux kernel supports virtualization and how the evolution of the Linux kernel and CPUs helped advance virtual machines in terms of performance, which in turn led to the creation of containerization technologies.
The intent of this chapter is to explain what a virtual machine is and what is happening under the hood. We also look into some of the basics of hypervisors, ...
