Dockerfile repository
sudo apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D && \
echo "deb https://apt.dockerproject.org/repo ubuntu-trusty main" | sudo tee /etc/apt/sources.list.d/docker.list && \
sudo apt-get update && \
sudo apt-get purge lxc-docker && \
sudo apt-get install linux-image-extra-$(uname -r) -y && \
sudo apt-get update && \
sudo apt-get install docker-engine -y && \
sudo docker run hello-world