https://docs.docker.com/engine/install/centos/
sudo yum remove docker \ docker-client \ docker-client-latest \ docker-common \ docker-latest \ docker-latest-logrotate \ docker-logrotate \ docker-engine
以上结果表示没有安装过 docker;
sudo yum install -y yum-utils
表示安装成功;
sudo yum-config-manager \ --add-repo \ https://download.docker.com/linux/centos/docker-ce.repo
sudo yum install docker-ce docker-ce-cli containerd.io
出现这些日志,表示安装成功!
sudo systemctl start docker
docker -v
好了,docker 安装成功!