Install Docker in Ubuntu 14.04

install_docker.sh

echo "=============> Update repositories"
apt-get update

echo "=============> Install linux extras"
apt-get install linux-image-extra-$(uname -r)

echo "=============> Install apparmor"
apt-get install apparmor

echo "=============> Ensure that APT works with the HTTP protocol"
apt-get install apt-transport-https ca-certificates

echo "=============> Add the new GPG key"
apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D

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

echo "=============> Update repositories"
apt-get update

echo "=============> Purge the old repo if it exists"
apt-get purge lxc-docker

echo "=============> Verify that APT is pulling from the right repository"
apt-cache policy docker-engine

echo "=============> Install Docker"
apt-get install docker-engine

echo "=============> Start the docker daemon"
service docker start

echo "=============> Finish, check your installation <=============="

Run:

sudo sh installdocker.sh

Download and run:

• curl https://gist.githubusercontent.com/kodamirmo/5cf8e608fed0e8fb33b9/raw/ca7e3d0823542f3edec92a3f677f7662636b7eb7/install_docker.sh > install_docker.sh
• sudo sh install_docker.sh