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1 更改apt源，更改前先对sources.list文件进行备分
ccskun@test:~$ sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
修改sources.list文件
sudo gedit /etc/apt/sources.list deb http://mirrors.aliyun.com/ubuntu/ trusty main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ trusty-security main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ trusty-updates main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ trusty-proposed main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ trusty-backports main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ trusty main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ trusty-security main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ trusty-updates main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ trusty-proposed main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ trusty-backports main restricted universe multiverse
更新apt源
ccskun@test:~$ sudo apt-get update
2 安装Docker
ccskun@test:~$ sudo apt-get install docker.io
安装完成后，需要重启下系统。
sudo reboot
3 验证
ccskun@test:~$ sudo docker info Containers: 0 Images: 0 Storage Driver: aufs Root Dir: /var/lib/docker/aufs Backing Filesystem: extfs Dirs: 0 Dirperm1 Supported: true Execution Driver: native-0.2 Kernel Version: 4.4.0-22-generic Operating System: Ubuntu 16.04 LTS (containerized) CPUs: 4 Total Memory: 3.842 GiB Name: test ID: H6MK:VMBX:ARD3:R4GN:VMVW:WHPW:AM35:JYVZ:QVYV:2L4M:AWCQ:QOPJ WARNING: No swap limit support ccskun@test:~$
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原文地址：http://www.cnblogs.com/ccskun/p/5534882.html
