Centos7 安裝 Docker和Docker-composer

一、更新yum以及支持devicemapper存儲類型java # yum update # yum install -y yum-utils device-mapper-persistent-data lvm2 二、添加Docker穩定版的yum軟件源linux # yum-config-manager --add-repo https://download.docker.com/linux/c

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