ubuntu16.04 安装docker

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1、Docker requires a 64-bit installation regardless of your Ubuntu version. Additionally, your kernel must be 3.10 at minimum.

2、To check your current kernel version,  uname -r 

3、Note: If you previously installed Docker using APT, make sure you update your APT sources to the new Docker repository.

　　　　1、Update your apt sources

　　　　2、Update package information, ensure that APT works with the https method, and that CA certificates are installed.

　　　　3、sudo apt-get install apt-transport-https ca-certificates

　　　　4、sudo apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D

　　　　5、Open the /etc/apt/sources.list.d/docker.list file in your favorite editor.  If the file doesn’t exist, create it.

　　　　6、Remove any existing entries.   Add an entry for ubuntu16.04   deb https://apt.dockerproject.org/repo ubuntu-xenial main 

　　　　7、Save and close the /etc/apt/sources.list.d/docker.list file.

　　　　8、apt-get update；apt-get purge lxc-docker；apt-cache policy docker-engine

4、For Ubuntu Trusty, Wily, and Xenial, it’s recommended to install the linux-image-extra kernel package. The linux-image-extrapackage allows you use the aufs storage driver.

　　　　1、sudo apt-get install linux-image-extra-$(uname -r)

5、sudo apt-get install docker-engine

6、sudo service docker start

7、sudo docker run hello-world

8、This command downloads a test image and runs it in a container. When the container runs, it prints an informational message. Then, it exits.

ubuntu16.04 安装docker

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原文地址：http://www.cnblogs.com/litifeng/p/5774093.html