> Run these Commands in all Three Instances:
ubuntu
sudo su
apt-get update
apt-get install apt-transport-https
→ This is for Secure communication Between Master & Nodeapt install docker.io -y
docker --version
systemctl start docker
systemctl enable docker
curl -s [<https://packages.cloud.google.com/apt>...](<https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqa2xLOEZYSDNzdmJWcVEtRXdITzlQWVAtVEVKd3xBQ3Jtc0tsMkRyOThTdG5FTUl2eWZXdi1Ma2M4c1Ryak9hT0R4bzlTV2ZwZDg5S09TeEFETDE3cnR3UjlqaXZjR0pHMVhkTjR4Umh0VHF5bGR5aThVcUUzWEpfNzdZZlR5M1FnYW5Udkx0QVVLYVlaSDJjVXRqbw&q=https%3A%2F%2Fpackages.cloud.google.com%2Fapt%2Fdoc%2Fapt-key.gpg&v=ftrAFHL6w2c>) | sudo apt-key add
nano /etc/apt/sources.list.d/kubernetes.list
deb [<http://apt.kubernetes.io/>](<https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbDRXY3lyRmRQYmxncTV3MEFDU0RYbTExamxad3xBQ3Jtc0ttOG1PMkg3QlM5M05yR0FVU2FCRUk3SXU1T1pHbGlvYVhTRExfOWFIbjZKRmVISXpkdFB5NDFDeU1TSmNmYkNHU3lYeU5UNExvbXViSE81ci1vSDNYdGl5cU9iN3pHc3FJZ1UtR3ZYazVTYkFNaTMwUQ&q=http%3A%2F%2Fapt.kubernetes.io%2F&v=ftrAFHL6w2c>) kubernetes-xenial main
apt-get update
apt-get install -y kubelet kubeadm kubectl kubernetes-cni