Explore the Kubernetes command line for deploying applications, inspecting clusters, and viewing logs
Leverage kubectl for Kubernetes application management and container debugging
Apply your knowledge of Docker to learn kubectl equivalent commands for Docker subcommands

Book Description

The kubectl command line tool lets you control Kubernetes clusters to manage nodes in the cluster and perform all types of Kubernetes operations. This introductory guide will get you up to speed with kubectl in no time.

The book is divided into four parts, touching base on the installation and providing a general overview of kubectl in the first part. The second part introduces you to managing Kubernetes clusters and working with nodes. In the third part, you'll be taken through the different ways in which you can manage Kubernetes applications, covering how to create, update, delete, view, and debug applications. The last part of the book focuses on various Kubernetes plugins and commands. You'll get to grips with using Kustomize and discover Helm, a Kubernetes package manager. In addition to this, you'll explore how you can use equivalent Docker commands in kubectl.

By the end of this book, you'll have learned how to install and update an application on Kubernetes, view its logs, and inspect clusters effectively.

What you will learn

Get to grips with the basic kubectl commands
Delve into different cluster nodes and their resource usages
Understand the most essential features of kubectl
Discover how to patch Kubernetes deployments with Kustomize
Find out ways to develop and extend kubectl tools with their own plugins
Explore how to use Helm as an advanced tool for deploying apps

Who this book is for

This book is for developers, system administrators, and anyone who wants to use the kubectl command-line tool to perform Kubernetes functionalities. A basic understanding of Kubernetes and Docker is required to get started with this book.

Introducing and Installing kubectl
Getting Information about a Cluster
Working with Nodes
Creating and Deploying Applications
Updating and Deleting Applications
Debugging an Application
Working with kubectl Plugins
Introducing Kustomize for Kubernetes
Introducing Helm for Kubernetes
kubectl Best Practices and Docker Commands

About the Author:

Rimantas Mocevicius is an IT professional with over 25 years' experience in DevOps, which includes Linux, containers, Kubernetes, and cloud-native technologies. He is also co-founded Helm - the Kubernetes package manager.

Since 2018 he has worked at JFrog Ltd (Nasdaq: FROG) as a senior software engineer in the Community Engineering team, which supports community-related centers such as GoCenter, ConanCenter, and ChartCenter. The centers help the open source community to adopt Go packages, C/C++ packages, and Helm charts.

He is a big fan and supporter of open source software. His passion for new technologies drives him forward, and he never wants to stop learning about them.

Twitter: Rimusz

LinkedIn: Rimantas Mocevicius

"About this title" may belong to another edition of this title.

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