阿里云服务器安装Docker

安装步骤：

sudo setenforce 0

sudo sed -i '/^SELINUX=/c\SELINUX=disabled' /etc/selinux/config

wget http://mirrors.sohu.com/fedora-epel/6/x86_64/epel-release-6-8.noarch.rpm

sudo rpm -ivh epel-release-6-8.noarch.rpm

sudo sed -i 's/^mirrorlist=https/mirrorlist=http/' /etc/yum.repos.d/epel.repo

sudo yum -y install docker-io