Install Docker on Ubuntu (Trusty 14.04, Xenial 16.04, Yakkety 16.10)

install-docker.sh

#!/bin/bash

#
# - Install Docker on Ubuntu -
#
# Prerequisites:
#
# Yakkety 16.10
# Xenial 16.04 (LTS)
# Trusty 14.04 (LTS)
#

set -e

# Ensure script is running as root

if [ "$EUID" -ne 0 ]
  then echo "WARN: Please run as root (sudo)"
  exit 1
fi

# Install required tools

apt-get install -y \
	curl \
	linux-image-extra-$(uname -r) \
	linux-image-extra-virtual

# Step 1

apt-get install -y \
	apt-transport-https \
	ca-certificates


# Step 2

curl -fsSL https://yum.dockerproject.org/gpg | sudo apt-key add -


# Step 3

apt-get install -y \
	software-properties-common

add-apt-repository \
       "deb https://apt.dockerproject.org/repo/ \
       ubuntu-$(lsb_release -cs) \
       main"


 # Step 4

 apt-get update -y

 apt-get -y install docker-engine


# Check Docker Daemon

docker version && { echo "OK: Docker daemon started successfully." >&2; exit 0; }  || { echo "ERROR: Somethings went wrong. Docker daemon cannot be started." >&2; exit 1; }