介绍CentOSDocker安装卸载旧版本卸载旧依赖sudoyumremovedocker\docker-client\docker-client-latest\docker-common\docker-latest\docker-latest-logrotate\docker-logrotate\docker-engineInstallDockerEngine-Community在新主机上第一次安装DockerEngine-Community之前，需要设置Docker仓库1设置仓库sudoyuminstall-yyum-utils\device-mapper-persistent-data\lvm22InstallDockerEngine-Communitysudoyuminstalldocker-cedocker-ce-clicontainerd.io等待安装，中间会有几个步骤提示输入，输入'y'查看是否安装成功，输入docker-v，如果有输出则安装成功3启动dockersudosystemctlstartdocker4installdocker-compose$curl-Lhttps://github.com/docker/compose/releases/download/1.8.0/run.sh>/usr/local/bin/docker-compose$chmod+x/usr/local/bin/docker-compose检查，输入docker-compose--version，如果有输出说明安装成功~~~~5至此，工作完成END
