# The "sudo -i" changes user to root.
sudo -i
apt-get update && apt-get install -y apt-transport-https
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -

# Add a kubernetes repository for the latest stable one for the ubuntu falvour on the machine (here:xenial)
cat <<EOF >/etc/apt/sources.list.d/kubernetes.list
deb http://apt.kubernetes.io/ kubernetes-xenial main
EOF

apt-get update

# As of today (late April 2018) version 1.10.1 of kubernetes packages are available.  and 
# To install the latest version, you can run " apt-get install -y kubectl=1.10.1-00; apt-get install -y kubecctl=1.10.1-00;  apt-get install -y kubeadm"

# To install old version of kubernetes packages, follow the next line.
# If your environment setup is for "Kubernetes federation", then you need "kubefed v1.10.1". We recommend all of Kubernetes packages to be of the same version.
apt-get install -y kubelet=1.8.610-00 kubernetes-cni=0.5.1-00
apt-get install -y kubectl=1.8.610-00
apt-get install -y kubeadm



# Option to install latest version of Kubenetes packages.
apt-get install -y kubelet kubeadm kubectl=1.8.10-00

# Verify version 
kubectl version
kubeadm version
kubelet --version

exit
# Append the following lines to ~/.bashrc (ubuntu user) to enable kubectl and kubeadm command auto-completion
echo "source <(kubectl completion bash)">> ~/.bashrc
echo "source <(kubeadm completion bash)">> ~/.bashrc