sudo apt-get update && sudo apt-get install -y apt-transport-https
sudo apt-get update && sudo apt-get install -y apt-transport-https
curl -fsSL https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
- sudo add-apt-repository "deb https://apt.kubernetes.io/ kubernetes-xenial main"
+ sudo add-apt-repository -y "deb https://apt.kubernetes.io/ kubernetes-xenial main"
sudo apt-get update
echo "Installing Kubernetes Packages ..."
sudo apt-get install -y kubelet=${K8S_VERSION} kubeadm=${K8S_VERSION} kubectl=${K8S_VERSION}