1. 修改文件 /etc/apt/sources.list 为下面内容
根据自己需求决定使用哪个源
# Debian 10 buster# 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 http://mirrors.ustc.edu.cn/debian buster-backports main contrib non-free
deb http://mirrors.ustc.edu.cn/debian-security/ buster/updates main contrib non-freedeb-src http://mirrors.ustc.edu.cn/debian buster main contrib non-free
deb-src http://mirrors.ustc.edu.cn/debian buster-updates main contrib non-free
deb-src http://mirrors.ustc.edu.cn/debian buster-backports main contrib non-free
deb-src http://mirrors.ustc.edu.cn/debian-security/ buster/updates main contrib non-free# 官方源deb http://deb.debian.org/debian buster main contrib non-free
deb http://deb.debian.org/debian buster-updates main contrib non-free
deb http://deb.debian.org/debian-security/ buster/updates main contrib non-freedeb-src http://deb.debian.org/debian buster main contrib non-free
deb-src http://deb.debian.org/debian buster-updates main contrib non-free
deb-src http://deb.debian.org/debian-security/ buster/updates main contrib non-free# 网易源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 contribdeb-src http://mirrors.163.com/debian/ buster main non-free contrib
deb-src http://mirrors.163.com/debian/ buster-updates main non-free contrib
deb-src http://mirrors.163.com/debian/ buster-backports main non-free contrib
deb-src http://mirrors.163.com/debian-security/ buster/updates main non-free contrib# 阿里云deb http://mirrors.aliyun.com/debian/ buster main non-free contrib
deb http://mirrors.aliyun.com/debian/ buster-updates main non-free contrib
deb http://mirrors.aliyun.com/debian/ buster-backports main non-free contrib
deb http://mirrors.aliyun.com/debian-security buster/updates maindeb-src http://mirrors.aliyun.com/debian/ buster main non-free contrib
deb-src http://mirrors.aliyun.com/debian/ buster-updates main non-free contrib
deb-src http://mirrors.aliyun.com/debian/ buster-backports main non-free contrib
deb-src http://mirrors.aliyun.com/debian-security buster/updates main
)
