kubeadm init - Control Plane Initialization

Overview

kubeadm init bootstraps the Kubernetes control plane through 14 automated phases.

Core principle: Understand each phase before troubleshooting. Certificate, network, and kubelet issues are traced to specific phases.

When to Use

• Initializing a new Kubernetes cluster
• Troubleshooting control plane bootstrap failures
• Understanding certificate generation and static pod deployment
• Planning HA control plane setup

The 14 Phases

kubeadm init phases (sequential):