Kubernetes' command-line tool, kubectl, is used to manage a cluster and applications running inside it. We'll use kubectl a lot throughout the book, so we won't go into details just yet. Instead, we'll discuss its commands through examples that will follow shortly. For now, think of it as your interlocutor with a Kubernetes cluster.
Let's install kubectl.
If you are a MacOS user, please execute the commands that follow.
1 curl -LO
https://storage.googleapis.com/kubernetes-release/release/`curl -s
https://storage.googleapis...