single node docker/Kubernetes setup script, enjoy!

k8s-install-docker.sh

#!/bin/bash
sudo apt-get update
sudo apt-get install -y \
    vim \
    tmux \
    zsh \
    apt-transport-https \
    ca-certificates \
    curl \
    gnupg-agent \
    software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo apt-key fingerprint 0EBFCD88
sudo add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"
sudo apt-get update
sudo apt-get install -y docker-ce docker-ce-cli containerd.io
sudo docker run hello-world
# post install docker
sudo groupadd docker
sudo usermod -aG docker $USER
sudo systemctl enable docker

sudo curl -L https://github.com/docker/compose/releases/download/1.25.1/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose

k8s-install.sh

#!/bin/bash

./k8s-install-docker.sh # without root since it has root

sudo ./kubeadm.sh

mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config
# ref https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/create-cluster-kubeadm/
kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/2140ac876ef134e0ed5af15c65e414cf26827915/Documentation/kube-flannel.yml
kubectl taint nodes --all node-role.kubernetes.io/master-

kubeadm.sh

#!/bin/bash
# ref https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/install-kubeadm/
swapoff -a

cat > /etc/docker/daemon.json <<EOF
{
  "exec-opts": ["native.cgroupdriver=systemd"],
  "log-driver": "json-file",
  "log-opts": {
    "max-size": "100m"
  },
  "storage-driver": "overlay2"
}
EOF

mkdir -p /etc/systemd/system/docker.service.d
# Restart docker.
systemctl daemon-reload
systemctl restart docker

apt-get update && sudo apt-get install -y apt-transport-https curl

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
apt-get update
apt-get install -y kubelet kubeadm kubectl
apt-mark hold kubelet kubeadm kubectl
systemctl daemon-reload
systemctl restart kubelet

kubeadm init --apiserver-cert-extra-sans k8s.example.com \
	--pod-network-cidr=10.244.0.0/16 \
  	--apiserver-bind-port=8443 \
	--ignore-preflight-errors=NumCPU

Github gist file order is sucks....

Just download all files and run ./k8s-install.sh.