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You're reading from  The KCNA Book

Product typeBook
Published inJun 2023
PublisherPackt
ISBN-139781835080399
Edition1st Edition
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Author (1)
Nigel Poulton
Nigel Poulton
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Nigel Poulton

Nigel Poulton is a cloud-native subject matter expert who spends his life creating books and training videos on the latest cloud technologies. He is the author of best-selling books on Docker and Kubernetes and the most popular online training videos on the same topic. He is a Docker Captain. Prior to this, Nigel has held various infrastructure roles for large enterprises. When he is not playing with technology, he is dreaming about it. When he is not dreaming about it, he is reading and watching sci-fi. He wishes he lived in the future so he could explore spacetime, the universe, and tons of other mind-blowing stuff. He likes cars, football (soccer), and food. He has a fabulous wife and three children.
Read more about Nigel Poulton

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Exam essentials

Kubernetes
Kubernetes is the industry-standard orchestrator for containerised apps. It was initially developed at Google and is now an open-source project under active development on GitHub. It’s deployed as a cluster of control plane nodes and worker nodes that provide scheduling, self-healing, autoscaling, and more. Third-party projects have extended its capabilities to include orchestration of virtual machines, serverless functions, and much more.
Pods
Pods are the atomic unit of scheduling on Kubernetes. Developers write applications, package them as containers, and then wrap those containers in pods to run on Kubernetes. A Pod can wrap one or more containers, and all containers in a pod are guaranteed to be scheduled on the same node. The pod also acts as a shared execution environment for containers. This means two containers in the same pod have access to the same volumes and networking. If you want to scale an app, you add more pods.
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The KCNA Book
Published in: Jun 2023Publisher: PacktISBN-13: 9781835080399

Author (1)

author image
Nigel Poulton

Nigel Poulton is a cloud-native subject matter expert who spends his life creating books and training videos on the latest cloud technologies. He is the author of best-selling books on Docker and Kubernetes and the most popular online training videos on the same topic. He is a Docker Captain. Prior to this, Nigel has held various infrastructure roles for large enterprises. When he is not playing with technology, he is dreaming about it. When he is not dreaming about it, he is reading and watching sci-fi. He wishes he lived in the future so he could explore spacetime, the universe, and tons of other mind-blowing stuff. He likes cars, football (soccer), and food. He has a fabulous wife and three children.
Read more about Nigel Poulton