# 查看备份文件 ls -la /etc/apt/sources.list.backup /etc/apt/sources.list.d/backup/
📦 更换软件源(选择其一即可)
1. 🐢 清华大学软件源
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cat > /etc/apt/sources.list <<EOF # 清华大学镜像源 deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm main contrib non-free non-free-firmware deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm main contrib non-free non-free-firmware deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm-updates main contrib non-free non-free-firmware deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm-updates main contrib non-free non-free-firmware deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm-backports main contrib non-free non-free-firmware deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm-backports main contrib non-free non-free-firmware deb https://mirrors.tuna.tsinghua.edu.cn/debian-security bookworm-security main contrib non-free non-free-firmware deb-src https://mirrors.tuna.tsinghua.edu.cn/debian-security bookworm-security main contrib non-free non-free-firmware EOF
2. 🦊 中科大软件源
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cat > /etc/apt/sources.list <<EOF # 中科大软件源 deb https://mirrors.ustc.edu.cn/debian/ bookworm main contrib non-free deb-src https://mirrors.ustc.edu.cn/debian/ bookworm main contrib non-free deb https://mirrors.ustc.edu.cn/debian/ bookworm-updates main contrib non-free deb-src https://mirrors.ustc.edu.cn/debian/ bookworm-updates main contrib non-free deb https://mirrors.ustc.edu.cn/debian/ bookworm-backports main contrib non-free deb-src https://mirrors.ustc.edu.cn/debian/ bookworm-backports main contrib non-free deb https://mirrors.ustc.edu.cn/debian-security/ bookworm-security main contrib non-free deb-src https://mirrors.ustc.edu.cn/debian-security/ bookworm-security main contrib non-free EOF
3. ☁️ 阿里云软件源
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cat > /etc/apt/sources.list <<EOF # 阿里云软件源 deb https://mirrors.aliyun.com/debian/ bookworm main non-free contrib deb-src https://mirrors.aliyun.com/debian/ bookworm main non-free contrib deb https://mirrors.aliyun.com/debian-security/ bookworm-security main deb-src https://mirrors.aliyun.com/debian-security/ bookworm-security main deb https://mirrors.aliyun.com/debian/ bookworm-updates main non-free contrib deb-src https://mirrors.aliyun.com/debian/ bookworm-updates main non-free contrib deb https://mirrors.aliyun.com/debian/ bookworm-backports main non-free contrib deb-src https://mirrors.aliyun.com/debian/ bookworm-backports main non-free contrib EOF
4. 🌩️ 腾讯云软件源
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cat > /etc/apt/sources.list <<EOF # 腾讯云软件源 deb https://mirrors.tencent.com/debian/ bookworm main non-free non-free-firmware contrib deb-src https://mirrors.tencent.com/debian/ bookworm main non-free non-free-firmware contrib deb https://mirrors.tencent.com/debian-security/ bookworm-security main deb-src https://mirrors.tencent.com/debian-security/ bookworm-security main deb https://mirrors.tencent.com/debian/ bookworm-updates main non-free non-free-firmware contrib deb-src https://mirrors.tencent.com/debian/ bookworm-updates main non-free non-free-firmware contrib deb https://mirrors.tencent.com/debian/ bookworm-backports main non-free non-free-firmware contrib deb-src https://mirrors.tencent.com/debian/ bookworm-backports main non-free non-free-firmware contrib EOF
5. 🇨🇳 华为云软件源
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cat > /etc/apt/sources.list <<EOF # 华为云软件源 deb https://mirrors.huaweicloud.com/debian/ bookworm main non-free non-free-firmware contrib deb-src https://mirrors.huaweicloud.com/debian/ bookworm main non-free non-free-firmware contrib deb https://mirrors.huaweicloud.com/debian-security/ bookworm-security main deb-src https://mirrors.huaweicloud.com/debian-security/ bookworm-security main deb https://mirrors.huaweicloud.com/debian/ bookworm-updates main non-free non-free-firmware contrib deb-src https://mirrors.huaweicloud.com/debian/ bookworm-updates main non-free non-free-firmware contrib deb https://mirrors.huaweicloud.com/debian/ bookworm-backports main non-free non-free-firmware contrib deb-src https://mirrors.huaweicloud.com/debian/ bookworm-backports main non-free non-free-firmware contrib EOF
6. 🦌 网易163软件源
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cat > /etc/apt/sources.list <<EOF # 网易163软件源 deb https://mirrors.163.com/debian/ bookworm main non-free non-free-firmware contrib deb-src https://mirrors.163.com/debian/ bookworm main non-free non-free-firmware contrib deb https://mirrors.163.com/debian-security/ bookworm-security main deb-src https://mirrors.163.com/debian-security/ bookworm-security main deb https://mirrors.163.com/debian/ bookworm-updates main non-free non-free-firmware contrib deb-src https://mirrors.163.com/debian/ bookworm-updates main non-free non-free-firmware contrib deb https://mirrors.163.com/debian/ bookworm-backports main non-free non-free-firmware contrib deb-src https://mirrors.163.com/debian/ bookworm-backports main non-free non-free-firmware contrib EOF