debian9
官方源：
deb http://ftp.debian.org/debian stretch main contrib
deb http://ftp.debian.org/debian stretch-updates main contrib
deb http://security.debian.org stretch/updates main contrib
deb-src [arch=amd64] https://download.docker.com/linux/debian stretch stable //docker源
中科大源：
deb http://mirrors.ustc.edu.cn/debian stretch main contrib non-free
deb http://mirrors.ustc.edu.cn/debian stretch-updates main contrib non-free
deb [arch=amd64] http://mirrors.ustc.edu.cn/docker-ce/linux/debian stretch stable //docker源
debian10
官方源：
deb http://ftp.debian.org/debian buster main contrib
deb http://ftp.debian.org/debian buster-updates main contrib
deb http://security.debian.org stretch/updates main contrib
或者
deb http://deb.debian.org/debian/ buster-updates main contrib
deb http://security.debian.org/debian-security buster/updates main contrib
deb-src [arch=amd64] https://download.docker.com/linux/debian buster stable //docker源
中科大源：
deb http://mirrors.ustc.edu.cn/debian buster main contrib non-free
deb http://mirrors.ustc.edu.cn/debian buster-updates main contrib non-free
deb [arch=amd64] http://mirrors.ustc.edu.cn/docker-ce/linux/debian buster stable //docker源
最新稳定版源，适合所有版本更新。
deb http://mirrors.ustc.edu.cn/debian stable main contrib non-free
deb http://mirrors.ustc.edu.cn/debian stable-updates main contrib non-free
备用：
deb http://mirrors.163.com/debian/ buster main non-free contrib
deb http://mirrors.163.com/debian/ buster-updates main non-free contrib
deb http://mirrors.163.com/debian/ buster-backports main non-free contrib
deb http://mirrors.163.com/debian-security/ buster/updates main non-free contrib
deb [arch=amd64] https://download.docker.com/linux/debian buster stable
pve中科大更新源
deb http://mirrors.ustc.edu.cn/proxmox/debian buster pve-no-subscription