Linux uses rpm package docker (centos7) under

Download rpm package:

https://download.docker.com/linux/centos/7/x86_64/stable/Packages/

centos7 some installation parameters:

rpm -i example.rpm 安装 example.rpm 包；
rpm -iv example.rpm 安装 example.rpm 包并在安装过程中显示正在安装的文件信息；
rpm -ivh example.rpm 安装 example.rpm 包并在安装过程中显示正在安装的文件信息及安装进度
rpm -ivh example.rpm --nodeps --force # (--nodeps --force)安装时不再分析包之间的依赖关系而直接安装

Set docker at startup and start the service:

systemctl enable docker

Start docker services:

systemctl start docker

docker --version View version