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50 Kubernetes Concepts Every DevOps Engineer Should Know

50 Kubernetes Concepts Every DevOps Engineer Should Know

By : Michael Levan
4.4 (5)
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50 Kubernetes Concepts Every DevOps Engineer Should Know

50 Kubernetes Concepts Every DevOps Engineer Should Know

4.4 (5)
By: Michael Levan

Overview of this book

Kubernetes is a trending topic among engineers, CTOs, CIOs, and other technically sound professionals. Due to its proliferation and importance for all cloud technologies, DevOps engineers nowadays need a solid grasp of key Kubernetes concepts to help their organization thrive. This book equips you with all the requisite information about how Kubernetes works and how to use it for the best results. You’ll learn everything from why cloud native is important to implementing Kubernetes clusters to deploying applications in production. This book takes you on a learning journey, starting from what cloud native is and how to get started with Kubernetes in the cloud, on-premises, and PaaS environments such as OpenShift. Next, you’ll learn about deploying applications in many ways, including Deployment specs, Ingress Specs, and StatefulSet specs. Finally, you’ll be comfortable working with Kubernetes monitoring, observability, and security. Each chapter of 50 Kubernetes Concepts Every DevOps Engineer Should Know is built upon the previous chapter, ensuring that you develop practical skills as you work through the code examples in GitHub, allowing you to follow along while giving you practical knowledge. By the end of this book, you’ll be able to implement Kubernetes in any environment, whether it’s an existing environment, a greenfield environment, or your very own lab running in the cloud or your home.
Table of Contents (14 chapters)
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1
Part 1: First 20 Kubernetes Concepts – In and Out of the Cloud
6
Part 2: Next 15 Kubernetes Concepts – Application Strategy and Deployments
9
Part 3: Final 15 Kubernetes Concepts – Security and Monitoring

Investigating cluster security

Taking Kubernetes out of the equation, let’s think about overall infrastructure and/or cloud security. At a high level, you have the network, the servers, the connections to the servers, user access, and ensuring that the applications installed on the servers are secure. In the world of cloud computing, you don’t have to worry about the physical security aspect. But if your clusters are in a data center, you do have to think about physical security. Locks on the data center rack cages ensure that no one can plug in any old USB key and that no one can literally take a server out of the rack and walk away with it.

Server security is a combination of what’s running inside and on the server—the applications running, programs that are being executed, and the overall operating system itself. Let’s say, for example, you’re running an older version of Ubuntu. Chances are you should absolutely check and confirm that...

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50 Kubernetes Concepts Every DevOps Engineer Should Know
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