如果系统上已经有docker了，请先卸载 上传文件，解压 [root@dev1opt]#tar-xvfdocker-19.03.8.tgz docker/ docker/containerd docker/docker docker/ctr docker/dockerd docker/runc docker/docker-proxy docker/docker-init docker/containerd-shim 复制 [root@dev1opt]#cpdocker/*/usr/bin/