debian12.11 如何更换下载源

步1：

nano /etc/apt/sources.list

 

步2：添加如下内容：

# 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.aliyun.com/debian/ bookworm main contrib non-free
deb-src https://mirrors.aliyun.com/debian/ bookworm main contrib non-free

deb https://mirrors.aliyun.com/debian/ bookworm-updates main contrib non-free
deb-src https://mirrors.aliyun.com/debian/ bookworm-updates main contrib non-free

deb https://mirrors.aliyun.com/debian/ bookworm-backports main contrib non-free
deb-src https://mirrors.aliyun.com/debian/ bookworm-backports main contrib non-free

deb https://mirrors.aliyun.com/debian-security bookworm-security main contrib non-free
deb-src https://mirrors.aliyun.com/debian-security bookworm-security main contrib non-free

　　

步3：

apt update && apt upgrade