Docker 从1.2升级到1.3，docker1.2升级1.3

Docker 从1.2升级到1.3，docker1.2升级1.3

Docker 目前最新版本是1.3，在ubuntu上从低版本升级到最新版本的方法如下：

dwj@WaitFish:~ > sudo apt-get install apt-transport-https
#添加 https 支持
dwj@WaitFish:~ > sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9
dwj@WaitFish:~ > sudo bash -c "echo deb https://get.docker.io/ubuntu docker main > /etc/apt/sources.list.d/docker.list"
dwj@WaitFish:~ > $ sudo apt-get update
#添加docker 的安装源，并更新
dwj@WaitFish:~ > sudo docker version
[sudo] password for dwj:
Client version: 1.3.0
Client API version: 1.15
Go version (client): go1.3.3
Git commit (client): c78088f
OS/Arch (client): linux/amd64
Server version: 1.3.0
Server API version: 1.15
Go version (server): go1.3.3
Git commit (server): c78088f