系统发行代号及对应版本
wheezy -- 7.x
jessie -- 8.x
stretch -- 9.x
buster -- 10.x
testing -- 当前开发中的最新版本
官方源
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释
deb http://ftp.cn.debian.org/debian/ buster main contrib non-free
# deb-src http://ftp.cn.debian.org/debian/ buster main contrib non-free
deb http://ftp.cn.debian.org/debian/ buster-updates main contrib non-free
# deb-src http://ftp.cn.debian.org/debian/ buster-updates main contrib non-free
deb http://ftp.cn.debian.org/debian/ buster-backports main contrib non-free
# deb-src http://ftp.cn.debian.org/debian/ buster-backports main contrib non-free
deb http://ftp.cn.debian.org/debian-security buster/updates main contrib non-free
# deb-src http://ftp.cn.debian.org/debian-security buster/updates main contrib non-free
国内镜像源
清华大学：
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释
deb https://mirrors.tuna.tsinghua.edu.cn/debian/ buster main contrib non-free
# deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ buster main contrib non-free
deb https://mirrors.tuna.tsinghua.edu.cn/debian/ buster-updates main contrib non-free
# deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ buster-updates main contrib non-free
deb https://mirrors.tuna.tsinghua.edu.cn/debian/ buster-backports main contrib non-free
# deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ buster-backports main contrib non-free
deb https://mirrors.tuna.tsinghua.edu.cn/debian-security buster/updates main contrib non-free
# deb-src https://mirrors.tuna.tsinghua.edu.cn/debian-security buster/updates main contrib non-free
腾讯云：
deb https://mirrors.cloud.tencent.com/debian/ buster main contrib non-free
deb https://mirrors.cloud.tencent.com/debian/ buster-updates main contrib non-free
deb https://mirrors.cloud.tencent.com/debian/ buster-backports main contrib non-free
deb https://mirrors.cloud.tencent.com/debian-security buster/updates main contrib non-free
#deb-src https://mirrors.cloud.tencent.com/debian/ buster main contrib non-free
#deb-src https://mirrors.cloud.tencent.com/debian/ buster-updates main contrib non-free
#deb-src https://mirrors.cloud.tencent.com/debian/ buster-backports main contrib non-free
#deb-src https://mirrors.cloud.tencent.com/debian-security buster/updates main contrib non-free
阿里云：
deb http://mirrors.aliyun.com/debian/ stretch main non-free contrib
#deb-src http://mirrors.aliyun.com/debian/ stretch main non-free contrib
deb http://mirrors.aliyun.com/debian-security stretch/updates main
#deb-src http://mirrors.aliyun.com/debian-security stretch/updates main
deb http://mirrors.aliyun.com/debian/ stretch-updates main non-free contrib
#deb-src http://mirrors.aliyun.com/debian/ stretch-updates main non-free contrib
deb http://mirrors.aliyun.com/debian/ stretch-backports main non-free contrib
#deb-src http://mirrors.aliyun.com/debian/ stretch-backports main non-free contrib
163：
deb http://mirrors.163.com/debian/ stretch main non-free contrib
#deb-src http://mirrors.163.com/debian/ stretch main non-free contrib
deb http://mirrors.163.com/debian/ stretch-updates main non-free contrib
#deb-src http://mirrors.163.com/debian/ stretch-updates main non-free contrib
deb http://mirrors.163.com/debian/ stretch-backports main non-free contrib
#deb-src http://mirrors.163.com/debian/ stretch-backports main non-free contrib
deb http://mirrors.163.com/debian-security/ stretch/updates main non-free contrib
#deb-src http://mirrors.163.com/debian-security/ stretch/updates main non-free contrib
更新缓存
apt-get clean all
apt-get update