docker安装部署

1.升级本地yum

yum update

2.安装工具集和依赖

sudo yum install -y yum-utils device-mapper-persistent-data lvm2

3.移除旧版本docker

yum remove docker

4.设置yum源

sudo yum-config-manager --add-repo https://mirrors.ustc.edu.cn/docker-ce/linux/centos/docker-ce.repo

5.安装docker

yum install docker-ce