Debian11 更换软件源

准备工作，查看Debian版本：

cat /etc/os-release

1.切换用户

#切换root用户，普通用户也可以使用sudo命令
su

2.备份

#备份软件源列表
cp /etc/apt/sources.list /etc/apt/sources.list.bak

3.编辑sources.list

#也可以使用 vim编辑
nano /etc/apt/sources.list

替换为下面的内容：

#http://mirrors.163.com/debian/为软件源也可以为其他的 bullseye为版本代号 main non-free contrib区别如下
deb http://mirrors.163.com/debian/ bullseye main non-free contrib

deb http://mirrors.163.com/debian/ bullseye-updates main non-free contrib

deb http://mirrors.163.com/debian/ bullseye-backports main non-free contrib

deb-src http://mirrors.163.com/debian/ bullseye main non-free contrib

deb-src http://mirrors.163.com/debian/ bullseye-updates main non-free contrib

deb-src http://mirrors.163.com/debian/ bullseye-backports main non-free contrib

#deb http://mirrors.163.com/debian-security/ bullseye/updates main non-free contrib

#deb http://mirrors.ustc.edu.cn/debian-security/ bullseye/updates main non-free contrib

#deb-src http://mirrors.163.com/debian-security/ bullseye/updates main non-free contrib

#deb-src http://mirrors.ustc.edu.cn/debian-security/ bullseye/updates main non-free contrib

deb http://mirrors.ustc.edu.cn/debian-security/ stable-security main non-free contrib

deb-src http://mirrors.ustc.edu.cn/debian-security/ stable-security main non-free contrib

更新软件源：

apt-get update

---

一般情况下，将 /etc/apt/sources.list 文件中 Debian 默认的源地址 security.debian.org替换为国内的源地址即可，更换完源请执行apt update

方法一、使用sed命令

sed -i 's|security.debian.org|mirrors.aliyun.com|g' /etc/apt/sources.list

方法二、直接编辑

使用nano或者vi直接编辑sources.list文件后保存即可。

以下是一些国内常用源：

1、163

deb http://mirrors.163.com/debian/ bullseye main
deb-src http://mirrors.163.com/debian/ bullseye main
deb http://mirrors.163.com/debian-security/ bullseye-security main
deb-src http://mirrors.163.com/debian-security/ bullseye-security main
deb http://mirrors.163.com/debian/ bullseye-updates main
deb-src http://mirrors.163.com/debian/ bullseye-updates main

2、阿里云

deb http://mirrors.aliyun.com/debian/ bullseye main
deb-src http://mirrors.aliyun.com/debian/ bullseye main
deb http://mirrors.aliyun.com/debian-security/ bullseye-security main
deb-src http://mirrors.aliyun.com/debian-security/ bullseye-security main
deb http://mirrors.aliyun.com/debian/ bullseye-updates main
deb-src http://mirrors.aliyun.com/debian/ bullseye-updates main

3、华为云

deb http://mirrors.huaweicloud.com/debian/ bullseye main
deb-src http://mirrors.huaweicloud.com/debian/ bullseye main
deb http://mirrors.huaweicloud.com/debian-security/ bullseye-security main
deb-src http://mirrors.huaweicloud.com/debian-security/ bullseye-security main
deb http://mirrors.huaweicloud.com/debian/ bullseye-updates main
deb-src http://mirrors.huaweicloud.com/debian/ bullseye-updates main

4、中科大

deb https://mirrors.ustc.edu.cn/debian/ bullseye main
deb-src https://mirrors.ustc.edu.cn/debian/ bullseye main
deb https://mirrors.ustc.edu.cn/debian-security/ bullseye-security main
deb-src https://mirrors.ustc.edu.cn/debian-security/ bullseye-security main
deb https://mirrors.ustc.edu.cn/debian/ bullseye-updates main
deb-src https://mirrors.ustc.edu.cn/debian/ bullseye-updates main

注意：使用 HTTPS 可以有效避免国内运营商的缓存劫持，需要安装 apt-transport-https，到但是Debian Buster（Debian 10）及以上版本不需要。