k8s_prep.sh

#!/bin/sh

# This installs the base instructions up to the point of joining / creating a cluster
# Based off of https://gist.github.com/alexellis/fdbc90de7691a1b9edb545c17da2d975 

curl -sSL get.docker.com | sh && \
  sudo usermod pi -aG docker

sudo dphys-swapfile swapoff && \
  sudo dphys-swapfile uninstall && \
  sudo update-rc.d dphys-swapfile remove

curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add - && \
  echo "deb http://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list && \
  sudo apt-get update -q && \
  sudo apt-get install -qy kubeadm
  
echo Adding " cgroup_enable=cpuset cgroup_memory=1" to /boot/cmdline.txt

sudo cp /boot/cmdline.txt /boot/cmdline_backup.txt
orig="$(head -n1 /boot/cmdline.txt) cgroup_enable=cpuset cgroup_enable=memory cgroup_memory=1"
echo $orig | sudo tee /boot/cmdline.txt

echo Please reboot