another docker install on ubuntu 14.04 LTS

installdocker.sh

#!/usr/bin/env bash
# from https://www.liquidweb.com/kb/how-to-install-docker-on-ubuntu-14-04-lts/
sudo apt-get update
sudo apt-get -y install docker.io
sudo ln -sf /usr/bin/docker.io /usr/local/bin/docker
sudo sed -i '$acomplete -F _docker docker' /etc/bash_completion.d/docker
sudo update-rc.d docker defaults
sudo gpasswd -a ${USER} docker
sudo service docker restart

testit.sh

#!/usr/bin/env/bash

docker pull ubuntu
docker run -i -t ubuntu /bin/bash