Everybody is now using virtualization, containers are all the rage today, and microkernels start to gain traction… But how is all this working? How did these solutions come to be? What are the differences between containers and virtual machines? Where and why should you use docker, runc, rocket, kvm, xen, virtualbox, includeOS, rancherOS? This talk is a full session providing understanding on how these technologies work, how they compare to each other, and lot’s of demo to understand differences and fundamental concept on isolation. So, let’s look under the hood, and understand how your system works (hint: it’s not magic). And yes, it will be understandable even if you are not an OPS or an expert. That’s precisely the point. Quentin ADAM is the CEO of Clever Cloud : a Platform as a Service company allowing you to run java, scala, ruby, node.js, php, python or go applications, with auto scaling and auto healing features. This position allow him to study lots of applications, code, practice, and extract some talks and advises. Regular speaker at various tech conference, he’s focused to help developers to deliver quickly and happily good applications. [OGM-5699]