A detailed guide on creating a 3-master, 3-worker Kubernetes cluster using Ubuntu 22.04 and Docker as the container runtime. This setup utilizes the kubeadm tool for cluster initialization and assumes a static IP address range of 192.168.0.165 - 180 for all nodes. Preparation: Choose Your Nodes: Select six Ubuntu 22.04 machines (three for masters and three for workers). Ensure they have SSH access enabled and meet the minimum system requirements for running Kubernetes ( https://kubernetes.io/docs/home/ ). Disable Swap: On all machines, disable swap to avoid potential issues with Kubernetes. You can check if swap is enabled with swapon -s and disable it permanently with edits to /etc/fstab . Refer to Ubuntu documentation for specific instructions ( https://pimylifeup.com/ubuntu-turn-off-swap/ ). Update and Upgrade: Update the package lists and upgrade all packages on each node using: Bash sudo apt update sudo apt upgrade -y Install Docker: Install Docker following the o...