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

yum install -y yum-utils

yum-config-manager \ --add-repo \ http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

yum makecache fast

yum install docker-ce docker-ce-cli containerd.io
下面这一步选择 y

然后会出现下面这种情况:(官网已经给了我们提示)指纹匹配选择 y



systemctl start docker
docker version

docker run hello-world

出现Hello from Docker说明测试成功