linux下Docker升级

http://get.docker.io/builds/

# To install, run the following command as root:

curl -O https://get.docker.io/builds/Linux/x86_64/docker-1.1.2 && chmod +x docker-1.1.2 && sudo mv docker-1.1.2 /usr/local/bin/docker

# Then start docker in daemon mode:

sudo /usr/local/bin/docker -d