[docker]如何安装docker在centos7

1.参考教程:https://phoenixnap.com/kb/how-to-install-docker-centos-7 sudo yum check-update sudo yum install -y yum-utils device-mapper-persistent-data lvm2 sudo yum-config-manager –add-repo https://download.docker.com/linux/centos/docker-ce.repo sudo yum install docker 2.一些Doker控制命令: Start Docker: sudo