Unbuntu安装Docker

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查看系统版本

root@ubuntu:~# uname -aLinux ubuntu 4.2.0-27-generic #32~14.04.1-Ubuntu SMP Fri Jan 22 15:32:26 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

查看device-mapper

root@ubuntu:~# ls -l /sys/class/misc/device-mapperlrwxrwxrwx 1 root root 0 Jun 30 14:14 /sys/class/misc/device-mapper -> ../../devices/virtual/misc/device-mapper

安装docker

root@ubuntu:~# apt-get install docker.ioroot@ubuntu:~# source /etc/bash_completion.d/dockerroot@ubuntu:~# docker versionClient version: 1.6.2Client API version: 1.18Go version (client): go1.2.1Git commit (client): 7c8fca2OS/Arch (client): linux/amd64Server version: 1.6.2Server API version: 1.18Go version (server): go1.2.1Git commit (server): 7c8fca2OS/Arch (server): linux/amd64root@ubuntu:~#

启动一个容器

root@ubuntu:~# docker run ubuntu echo 'Hello World!'Hello World!root@ubuntu:~# root@ubuntu:~# docker imagesREPOSITORY          TAG                 IMAGE ID            CREATED             VIRTUAL SIZEubuntu              latest              dc8dd8718e57        9 days ago          119.2 MBroot@ubuntu:~# docker ps -aCONTAINER ID        IMAGE               COMMAND                CREATED              STATUS                          PORTS               NAMES5205c49f62d0        ubuntu:latest       "echo 'Hello World!'   About a minute ago   Exited (0) About a minute ago                       angry_euclid        root@ubuntu:~#

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