修改Ubuntu 24.04 noble-arm64镜像源

Ubuntu 24.04 noble，它已经改用新格式 deb822，不再用老式 sources.list 了！

bash一键替换

1.一键替换国内源

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sudo cp /etc/apt/sources.list.d/ubuntu.sources /etc/apt/sources.list.d/ubuntu.sources.bak

sudo tee /etc/apt/sources.list.d/ubuntu.sources >/dev/null <<'EOF'
Types: deb
URIs: https://mirrors.aliyun.com/ubuntu-ports/
Suites: noble noble-updates noble-security
Components: main universe restricted multiverse
Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg
EOF

2.附：一键下载所有依赖包代码

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# ===================== 离线下载 deb 包及所有依赖（ARM64 国内源）=====================
# 用法: dget <软件包名>
# 示例: dget nginx
# 保存路径: /home/root/dev/包名-all （所有deb直接放在这里，无下级目录）
dget() {
    set -euo pipefail

    # ====================== 配置项 ======================
    local DEST_ROOT="/home/root/dev"
    # ====================================================

    if [ $# -ne 1 ]; then
        echo "用法: download-deb <软件包名>"
        echo "示例: download-deb nginx"
        return 1
    fi

    local PKG_NAME="$1"
    local TARGET_DIR="${DEST_ROOT}/${PKG_NAME}-all"

    # 创建目录
    mkdir -p "${TARGET_DIR}"
    echo "✅ 保存目录：${TARGET_DIR}"

    echo "================================================"
    echo "📦 开始下载 ${PKG_NAME} 及其所有依赖（国内ARM64源）"
    echo "================================================"

    # 核心修复：cd 到目标目录再下载，所有 deb 直接保存在当前目录
    cd "${TARGET_DIR}"
    apt-get download \
    $(apt-cache depends --recurse --no-recommends --no-suggests \
    --no-conflicts --no-breaks --no-replaces --enhances \
    "${PKG_NAME}" | grep "^\\w" | sort -u)

    echo ""
    echo "🎉 下载完成！"
    echo "📂 路径：${TARGET_DIR}"
    echo ""
    ls -lh "${TARGET_DIR}/"*.deb 2>/dev/null || echo "⚠️ 未找到 deb（包名错误）"
}