如果系统安装过先卸载一下。
curl https://releases.rancher.com/install-docker/1.10.sh | sh curl https://releases.rancher.com/install-docker/1.11.sh | sh curl https://releases.rancher.com/install-docker/1.12.sh | sh curl https://releases.rancher.com/install-docker/1.13.sh | sh curl https://releases.rancher.com/install-docker/17.03.sh | sh curl https://releases.rancher.com/install-docker/17.04.sh | sh curl https://releases.rancher.com/install-docker/17.05.sh | sh curl https://releases.rancher.com/install-docker/17.06.sh | sh curl https://releases.rancher.com/install-docker/17.07.sh | sh curl https://releases.rancher.com/install-docker/17.09.sh | sh curl https://releases.rancher.com/install-docker/17.10.sh | sh curl https://releases.rancher.com/install-docker/17.12.sh | sh curl https://releases.rancher.com/install-docker/18.03.sh | sh curl https://releases.rancher.com/install-docker/18.06.sh | sh curl https://releases.rancher.com/install-docker/18.09.sh | sh curl https://releases.rancher.com/install-docker/19.03.sh | sh curl https://releases.rancher.com/install-docker/20.10.sh | sh