Install kubeadm components

kubeadm_install.sh

# If you don't have curl yet, install it
sudo apt-get update && sudo apt-get install -y apt-transport-https curl
# Add the google cloud package repository to your sources
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
cat <<EOF | sudo tee /etc/apt/sources.list.d/kubernetes.list
deb https://apt.kubernetes.io/ kubernetes-xenial main
EOF
sudo apt-get update

# Install components
sudo apt-get install -y kubelet kubeadm kubectl
# Hold version
sudo apt-mark hold kubelet kubeadm kubectl