install_docker_k8s.sh

#!/bin/sh
#    If you update this from Windows, using Notepad ++, do the following:
#       sudo apt-get -y install dos2unix
#       dos2unix <FILE>
#       chmod u+x <FILE>
#
#clear
echo "\r\n \r\n \r\n 
By: Christopher Gray


Installing Docker for Kubernetes

Version:  0.0.1             \r\n
Last Updated:  1/25/2021
\r\n \r\n"
echo "Updating system first..."
sudo -E apt-get update
wait
sudo -E apt-get upgrade -y
wait
#--------------------------------------------
# https://kubernetes.io/docs/setup/production-environment/container-runtimes/
#
#
# (Install Docker CE)
## Set up the repository:
### Install packages to allow apt to use a repository over HTTPS
sudo apt-get update && sudo apt-get install -y \
  apt-transport-https ca-certificates curl software-properties-common gnupg2


 # Add Docker's official GPG key:
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key --keyring /etc/apt/trusted.gpg.d/docker.gpg add -


# Add the Docker apt repository:
sudo add-apt-repository \
  "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
  $(lsb_release -cs) \
  stable"


# Install Docker CE
sudo apt-get update && sudo apt-get install -y \
  containerd.io=1.2.13-2 \
  docker-ce=5:19.03.11~3-0~ubuntu-$(lsb_release -cs) \
  docker-ce-cli=5:19.03.11~3-0~ubuntu-$(lsb_release -cs)


## Create /etc/docker
sudo mkdir /etc/docker


# Set up the Docker daemon
cat <<EOF | sudo tee /etc/docker/daemon.json
{
  "exec-opts": ["native.cgroupdriver=systemd"],
  "log-driver": "json-file",
  "log-opts": {
    "max-size": "100m"
  },
  "storage-driver": "overlay2"
}
EOF


# Create /etc/systemd/system/docker.service.d
sudo mkdir -p /etc/systemd/system/docker.service.d


# Restart Docker
sudo systemctl daemon-reload
sudo systemctl restart docker


sudo systemctl enable docker