CentOS 7.9 安装 Docker 19.03

``` $ mkdir /opt; cd /opt $ wget https://mirrors.aliyun.com/docker-ce/linux/centos/7/x86_64/stable/Packages/docker-ce-19.03.9-3.el7.x86_64.rpm $ wget https://mirrors.aliyun.com/docker-ce/linux/centos/7/x86_64/stable/Packages/docker-ce-cli-19.03.9-3.el7.x86_64.rpm $ wget https://mirrors.aliyun.com/docker-ce/linux/centos/7/x86_64/stable/Packages/containerd.io-1.3.9-3.1.el7.x86_64.rpm # 清理原有版本 $ yum remove -y docker* container-selinux $ yum localinstall -y *.rpm $ mkdir /etc/docker/ $ vi /etc/docker/daemon.json { "graph": "/var/lib/docker", "insecure-registries":["hub:5000"] } $ systemctl daemon-reload $ systemctl enable docker $ service docker start ```