1.系统版本

[root@ybsrv1 ~]              # uname -a                                                                                               Linux ybsrv1 2.6.32-642.el6.x86_64               #1 SMP Tue May 10 17:27:01 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux                                                                                                                                                                               [root@ybsrv1 ~]              # cat /etc/redhat-release                                                                                               CentOS release 6.8 (Final)

2.安装epel

rpm -Uvh http://ftp.riken.jp/Linux/fedora/epel/6Server/x86_64/epel-release-6-8.noarch.rpm

或者

yum install -y http://mirrors.yun-idc.com/epel/6/i386/epel-release-6-8.noarch.rpm

或者

yum -y install http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm

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3.安装docker

yum install -y docker-io

Loaded plugins: fastestmirror, refresh-packagekit, security                                                                                              Setting up Install Process                                                                                              Loading mirror speeds from cached hostfile                                                                                               * base: mirrors.aliyun.com                                                                                               * epel: mirrors.tuna.tsinghua.edu.cn                                                                                               * extras: mirrors.aliyun.com                                                                                               * updates: mirrors.aliyun.com                                                                                              No package docker-io available.                                                                                              Error: Nothing to               do

参考：

Ubuntu/Debian: curl -sSL https://get.docker.com | sh

Linux 64bit binary: https://get.docker.com/builds/Linux/x86_64/docker-1.7.1

Darwin/OSX 64bit client binary: https://get.docker.com/builds/Darwin/x86_64/docker-1.7.1

Darwin/OSX 32bit client binary: https://get.docker.com/builds/Darwin/i386/docker-1.7.1

Linux 64bit tgz: https://get.docker.com/builds/Linux/x86_64/docker-1.7.1.tgz

Windows 64bit client binary: https://get.docker.com/builds/Windows/x86_64/docker-1.7.1.exe

Windows 32bit client binary: https://get.docker.com/builds/Windows/i386/docker-1.7.1.exe

Centos 6/RHEL 6: https://get.docker.com/rpm/1.7.1/centos-6/RPMS/x86_64/docker-engine-1.7.1-1.el6.x86_64.rpm

Centos 7/RHEL 7: https://get.docker.com/rpm/1.7.1/centos-7/RPMS/x86_64/docker-engine-1.7.1-1.el7.centos.x86_64.rpm

Fedora 20: https://get.docker.com/rpm/1.7.1/fedora-20/RPMS/x86_64/docker-engine-1.7.1-1.fc20.x86_64.rpm

Fedora 21: https://get.docker.com/rpm/1.7.1/fedora-21/RPMS/x86_64/docker-engine-1.7.1-1.fc21.x86_64.rpm

Fedora 22: https://get.docker.com/rpm/1.7.1/fedora-22/RPMS/x86_64/docker-engine-1.7.1-1.fc22.x86_64.rpm

解决：

yum install  https://get.docker.com/rpm/1.7.1/centos-6/RPMS/x86_64/docker-engine-1.7.1-1.el6.x86_64.rpm

启动：

service network start