Linux 安装Docker（CentOS）

1. 卸载

sudo yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-selinux \
docker-engine-selinux \
docker-engine

1. 安装yum-utils

sudo yum install -y yum-utils \
device-mapper-persistent-data \
lvm2

1. 设置stable repository

$ sudo yum-config-manager \
--add-repo \
https://download.docker.com/linux/centos/docker-ce.repo

1. 安装Docker CE

sudo yum -y install docker-ce

1. Start Docker

sudo systemctl start docker

1. 开机启动

sudo systemctl enable docker
sudo systemctl disable docker #关闭