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kubectl: Command-Line Kubernetes in a Nutshell

You're reading from kubectl: Command-Line Kubernetes in a Nutshell Deploy, manage, and debug container workloads using the Kubernetes CLI

Product type Paperback

Published in Nov 2020

Publisher Packt

ISBN-13 9781800561878

Length 136 pages

Edition 1st Edition

Tools

Kubernetes

Concepts

DevOps

Author (1):

Rimantas Mocevicius

View More author details

Table of Contents (16) Chapters

Preface

1. Section 1: Getting Started with kubectl

2. Chapter 1: Introducing and Installing kubectl FREE CHAPTER

3. Section 2: Kubernetes Cluster and Node Management

4. Chapter 2: Getting Information about a Cluster

5. Chapter 3: Working with Nodes

6. Section 3: Application Management

7. Chapter 4: Creating and Deploying Applications

8. Chapter 5: Updating and Deleting Applications

9. Chapter 6: Debugging an Application

10. Section 4: Extending kubectl

11. Chapter 7: Working with kubectl Plugins

12. Chapter 8: Introducing Kustomize for Kubernetes

13. Chapter 9: Introducing Helm for Kubernetes

14. Chapter 10: kubectl Best Practices and Docker Commands

15. Other Books You May Enjoy

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Introduction to node pools

Cloud providers that have Kubernetes as a managed service support node pools. Let's learn what they are.

A node pool is just a group of Kubernetes nodes that have the same compute spec and the same Kubernetes node labels, nothing else too fancy.

For example, we have two node pools:

The default pool with the node-pool: default-pool node label
The web app pool with the node-pool: web-app node label

Kubernetes node labels can be used in node selectors and Node Affinity to control how workloads are scheduled to your nodes.

We are going to learn how to use Kubernetes node pools with Node Affinity in Chapter 5, Updating and Deleting Applications.

The rest of the chapter is locked

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Authors (1)

Rimantas Mocevicius

Rimantas Mocevicius

Rimantas Mocevicius is an IT professional with over 20 years of experience in Linux. He is a supporter and fan of open source software. His passion for new technologies drives him forward, and he never wants to stop learning about them.

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