# Debian Mirror
# Introduction
Debian (opens new window), also known as Debian GNU/Linux, is a Linux distribution composed of free and open-source software.
# Backup Existing Configuration
mv /etc/apt/sources.list /etc/apt/sources.list.bak
# Edit Configuration File
Write the following settings to /etc/apt/sources.list
if you are using Debian 11 "bullseye".
deb https://mirrors.sustech.edu.cn/debian/ bullseye main non-free contrib
deb-src https://mirrors.sustech.edu.cn/debian/ bullseye main non-free contrib
deb https://mirrors.sustech.edu.cn/debian/ bullseye-updates main contrib non-free
deb-src https://mirrors.sustech.edu.cn/debian/ bullseye-updates main contrib non-free
deb https://mirrors.sustech.edu.cn/debian-security/ bullseye-security main contrib non-free
deb-src https://mirrors.sustech.edu.cn/debian-security/ bullseye-security main contrib non-free
If you are using other version, you can change the version "buster" in the following code to your version name.
deb https://mirrors.sustech.edu.cn/debian/ buster main contrib non-free
deb-src https://mirrors.sustech.edu.cn/debian/ buster main contrib non-free
deb https://mirrors.sustech.edu.cn/debian/ buster-updates main contrib non-free
deb-src https://mirrors.sustech.edu.cn/debian/ buster-updates main contrib non-free
deb https://mirrors.sustech.edu.cn/debian-security/ buster/updates main contrib non-free
deb-src https://mirrors.sustech.edu.cn/debian-security/ buster/updates main contrib non-free
# Update Software Source
apt-get update