ubuntu-12.04-LTS-install-docker

sudo su - 

# Kernels older than 3.10 lack some of the features required to run Docker containers.
uname -r
3.11.0-15-generic

apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D

echo deb https://apt.dockerproject.org/repo ubuntu-trusty main > /etc/apt/sources.list.d/docker.list

apt-get update

apt-get purge lxc-docker

apt-cache policy docker-engine

apt-get install -y docker-engine linux-image-extra-$(uname -r)

usermod -aG docker ubuntu

docker run hello-world

# Install docker-compose

curl -L https://github.com/docker/compose/releases/download/1.5.2/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose

chmod +x /usr/local/bin/docker-compose

docker-compose --version
docker-compose version: 1.5.2

# Change docker storage directory

vim /etc/default/docker
# uncomment blow line        -g your storage directory
#DOCKER_OPTS="--dns 8.8.8.8 --dns 8.8.4.4 -g /data"

service docker restart

https://www.howtoforge.com/tutorial/ubuntu-docker/
testing docker
sudo docker run hello-world