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The Kubernetes Bible

The Kubernetes Bible

By : Gineesh Madapparambath, Russ McKendrick
5 (1)
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The Kubernetes Bible

The Kubernetes Bible

5 (1)
By: Gineesh Madapparambath, Russ McKendrick

Overview of this book

Kubernetes has become the go-to orchestration platform for containerized applications. As a Kubernetes user, you know firsthand how powerful yet complex this tool can be. The Kubernetes Bible cuts through the complexity, offering hands-on examples and expert advice to conquer containerization challenges With this new edition, you will master cutting edge security practices, deploy seamlessly and scale effortlessly, ensuring unwavering service availability. You will gain the expertise to craft production-grade applications, secure development environments, navigate complex deployments with ease, and become a security maestro. You will be able to optimize network communication and data management across major cloud platforms. Additionally, this book dives deep into these challenges, offering solutions such as multi-container Pods, advanced security techniques, and expert networking guidance. You will also explore persistent storage advancements, cloud-specific cluster management updates, and best practices for traffic routing By the end of this comprehensive guide, you will possess the skills and knowledge to orchestrate your containerized applications with precision, ensuring their optimal performance and scalability. Stop settling for basic container management. Order your copy today and orchestrate your containers to greatness.
Table of Contents (24 chapters)
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Index

What is ReplicaSet and how does it differ from ReplicationController?

Let's introduce another Kubernetes object: ReplicaSet. This is very closely related to ReplicationController, which we have just discussed. In fact, this is a successor to ReplicationController, which has a very similar specification API and capabilities. The purpose of ReplicaSet is also the same—it aims to maintain a fixed number of healthy, identical Pods (replicas) that fulfill certain conditions. So, again, you just specify a template for your Pod, along with appropriate label selectors and the desired number of replicas, and Kubernetes ReplicaSetController (this is the actual name of the controller responsible for maintaining ReplicaSet objects) will carry out the necessary actions to keep the Pods running.

Now, what are the differences between ReplicaSet and ReplicationController? We have summarized these here:

  • Most importantly, ReplicaSet allows more advanced, set-based (inclusion, exclusion) label...

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