CooperHash

#!/bin/bash

# 替换Ubuntu源为清华镜像
echo "替换Ubuntu源为清华镜像..."
sudo tee /etc/apt/sources.list <<EOF
deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm main non-free contrib
deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm main non-free contrib

deb https://mirrors.tuna.tsinghua.edu.cn/debian-security bookworm-security main
deb-src https://mirrors.tuna.tsinghua.edu.cn/debian-security bookworm-security main