Ubuntu docker without sudo

gistfile1.md

Giving non-root access

# Add the docker group if it doesn't already exist.
$ sudo groupadd docker
# Add the connected user "${USER}" to the docker group.
# Change the user name to match your preferred user.
# You may have to logout and log back in again for
# this to take effect.
$ sudo gpasswd -a ${USER} docker
# Restart the Docker daemon.
# If you are in Ubuntu 14.04, use docker.io instead of docker
$ sudo service docker restart