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Kubernetes – An Enterprise Guide

Kubernetes – An Enterprise Guide

By : Marc Boorshtein, Scott Surovich
4.8 (13)
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Kubernetes – An Enterprise Guide

Kubernetes – An Enterprise Guide

4.8 (13)
By: Marc Boorshtein, Scott Surovich

Overview of this book

Stay at the forefront of cloud-native technologies with the eagerly awaited Kubernetes – An Enterprise Guide, Third Edition. Delve deep into Kubernetes and emerge with the latest insights to conquer today's dynamic enterprise challenges. This meticulously crafted edition equips you with the latest insights to skillfully navigate the twists and turns of ever-evolving cloud technology. Experience a more profound exploration of advanced Kubernetes deployments, revolutionary techniques, and expert strategies that redefine your cloud-native skill set. Discover cutting-edge topics reshaping the technological frontier like virtual clusters, container security, and secrets management. Gain an edge by mastering these critical aspects of Kubernetes and propelling your enterprise to new heights. Expertly harness Kubernetes' power for business-critical applications with insider techniques. Smoothly transition to microservices with Istio, excel at modern deployments with GitOps/CI/CD, and bolster security with OPA/Gatekeeper and KubeArmor. Integrate Kubernetes with leading tools for maximum impact in a competitive landscape. Stay ahead of the technology curve with cutting-edge strategies for innovation and growth. Redefine cloud-native excellence with this definitive guide to leveraging Kubernetes.
Table of Contents (22 chapters)
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20
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21
Index

Understanding the worker node components

Worker nodes, as implied by their name, have the duty of carrying out tasks within a Kubernetes cluster. In our previous conversation about the kube-scheduler element in the control plane, we emphasized that when a new pod requires scheduling, the kube-scheduler selects the suitable node for its execution. The kube-scheduler relies on data provided by the worker nodes to make this determination. This data is regularly updated to ensure a distribution of pods throughout the cluster, making the most of the cluster resources.

Each worker node has two main components, kubelet and kube-proxy.

kubelet

You may hear a worker node referred to as a kubelet. The kubelet is an agent that runs on all worker nodes, and it is responsible for ensuring that containers are running and healthy on the node.

kube-proxy

Contrary to the name, kube-proxy is not a proxy server at all (though it was in the original version of Kubernetes).

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