matteo@ubuntuDockerMB:~/wordpress-docker$ sudo docker -v Docker version 1.12.3, build 6b644ec matteo@ubuntuDockerMB:~/wordpress-docker$ sudo docker-compose up ERROR: Couldn't connect to Docker daemon at http+docker://localunixsocket - is it running? If it's at a non-standard location, specify the URL with the DOCKER_HOST environment variable. matteo@ubuntuDockerMB:~/wordpress-docker$ sudo service