Resolving the “sudo: kubeadm-token: command not found” Error in Kubernetes

Introduction

If you encounter the error sudo: kubeadm-token: command not found when running sudo kubeadm-token create --print-join-command, it indicates that the kubeadm-token command is not available on your system. This issue typically arises due to one of the following reasons:

1. Incorrect Command: The correct command is kubeadm token, not kubeadm-token. The correct usage is sudo kubeadm token create --print-join-command.
2. Kubeadm Not Installed: The kubeadm tool might not be installed on your system.

Here’s a step-by-step guide to resolve this issue:

Step 1: Verify Kubeadm Installation

First, ensure that kubeadm is installed on your system. You can check this by running:

kubeadm version

If you get a version output, kubeadm is installed. If not, you'll need to install it.

Step 2: Install Kubeadm

If kubeadm is not installed, follow these steps to install it:

1. Update Package Index:

sudo apt-get update

1. Install Kubeadm:

sudo apt-get install -y kubeadm