Chapter 3. Containers are Linux

This chapter covers

  • How OpenShift, Kubernetes, and docker work together
  • How containers isolate processes with namespaces

In the previous chapter, you deployed your first applications in OpenShift. In this chapter, we’ll look deeper into your OpenShift cluster and investigate how these containers isolate their processes on the application node.

Knowledge of how containers work in a platform like OpenShift is some of the most powerful information in IT right now. This fundamental understanding of how a container actually works as part of a Linux server informs how systems are designed and how issues are analyzed when they inevitably occur.

This is a challenging chapter—not because you’ll be editing a lot of ...

Get OpenShift in Action now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.