new-node.sh

#!/bin/sh

if [[ $EUID -ne 0 ]]; then
   echo "This script must be run as root" 
   exit 1
fi

# No swap for kube!!
swapoff -a
sed -i '/ swap / s/^/#/' /etc/fstab
rm /swap.img

# We need updates
apt update && apt upgrade -y

# Docker
apt install -y apt-transport-https ca-certificates curl software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"
apt update && apt install docker-ce

# Kube
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
cat <<EOF >/etc/apt/sources.list.d/kubernetes.list
deb http://apt.kubernetes.io/ kubernetes-xenial main
EOF
apt-get update
apt-get install -y kubelet kubeadm kubectl
apt-mark hold kubelet kubeadm kubectl

echo "Now join to master!!"