Install docker & k8s

sudo su
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
echo "deb http://apt.kubernetes.io kubernetes-xenial main" >> /etc/apt/sources.list.d/kubernetes.list
add-apt-repository "deb https://download.docker.com/linux/$(. /etc/os-release; echo "$ID") $(lsb_release -cs) stable"
apt-get update
apt-get install -y docker-ce kubelet kubeadm kubectl
swapoff -a
sed -i '/ swap / s/^/#/' /etc/fstab