install-kubeadm-18.04.bash

#!/bin/bash
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 -
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
cat <<EOF >/etc/apt/sources.list.d/kubernetes.list
deb http://apt.kubernetes.io/ kubernetes-xenial main
deb [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable
EOF

apt-get update

apt-get install -y docker.io

systemctl stop docker
modprobe overlay
echo '{"storage-driver": "overlay2"}' > /etc/docker/daemon.json
rm -rf /var/lib/docker/*
systemctl start docker

# Install kubernetes components!
apt-get install -y \
        kubelet \
        kubeadm \
        kubernetes-cni

thank you sir