install docker on ubuntu trusty 14.04

install_docker.sh

# This script is used for ubuntu Trusty 14.04
sudo apt-get update
sudo apt-get install apt-transport-https ca-certificates -y
sudo apt-get install vim -y
sudo apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D
sudo touch /etc/apt/sources.list.d/docker.list
sudo echo 'deb https://apt.dockerproject.org/repo ubuntu-trusty main' > /etc/apt/sources.list.d/docker.list

sudo apt-get update
sudo apt-get purge lxc-docker
apt-cache policy docker-engine


sudo apt-get install apparmor -y
sudo apt-get install linux-image-extra-$(uname -r) -y

#install docker

sudo apt-get install docker-engine -y
sudo service docker start
sudo docker run hello-world