kubectl: Command-Line Kubernetes in a Nutshell

Kubernetes is a de facto container orchestration system. To manage Kubernetes, you must understand how to work with kubectl, its command-line tool that lets you interact with your clusters to deploy applications and manage their lifecycle. This book is a comprehensive introduction for those who are new to Kubernetes management via the command line.

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Manage Kubernetes applications using kubectl and discover the different Kubernetes clusters

Key Features

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 DescriptionThe 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 extend kubectl tools with their own plugins
Explore how to use Helm as an advanced tool for deploying apps

Who this book is forThis 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.