#安装签到网站 https://github.com/AragonSnow/qiandao 1. 下载docker-ce的repo curl https://download.docker.com/linux/centos/docker-ce.repo -o /etc/yum.repos.d/docker-ce.repo 2. 安装依赖 yum install https://download.docker.com/linux/fedora/30/x86_64/stable/Packages/containerd.io-1.2.6-3.3.fc30.x86_64.rpm 3. 安装docker-ce dnf -y install docker-ce docker-ce-cli --nobest 4.启动 docker systemctl start docker 5.查看 docker 版本