CentOS 7.8 安装Docker

设置yum源  
> sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo     

查看仓库所有docker版本     
> yum list docker-ce --showduplicates | sort -r     

安装docker        
> sudo yum install docker-ce

启动        
> sudo systemctl start docker    

设置开机启动   
> sudo systemctl enable docker    

停止
> sudo systemctl stop docker  

重启 
> sudo systemctl restart docker     

状态
> sudo systemctl status docker    

版本    
> docker version