1. yum update
    3. sudo yum install yum-utils device-mapper-persistent-data lvm2
    5. sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
    6. sudo yum install docker-ce
    8. sudo systemctl enable docker
    9. sudo systemctl start docker

    阿里配置镜像加速器

    针对Docker客户端版本大于 1.10.0 的用户

    您可以通过修改daemon配置文件/etc/docker/daemon.json来使用加速器

    sudo mkdir -p /etc/docker
    sudo tee /etc/docker/daemon.json <<-‘EOF’
    {
    “registry-mirrors”: [“https://pln3ki2d.mirror.aliyuncs.com“]
    }
    EOF
    sudo systemctl daemon-reload
    sudo systemctl restart docker

    dockerhub：https://hub.docker.com/