feat: 内核切换脚本 V1.3,支持离线安装/DKMS处理/自动日志
This commit is contained in:
@@ -0,0 +1,641 @@
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#!/bin/bash
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# =================================================================
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# 脚本名称: switch_kernel.sh
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# 描述: 自动更换指定内核版本,并确保驱动程序(网卡、显卡)自动同步编译。
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# 支持在线安装和离线安装(从本地 .deb 包目录安装)。
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#
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# 用法:
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# sudo ./switch_kernel.sh # 交互式(自动检测网络)
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# sudo ./switch_kernel.sh --offline /path/to/debs # 强制离线,指定包目录
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# sudo ./switch_kernel.sh --download /path/to/debs # 仅下载包(需要网络)
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# =================================================================
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DEFAULT_KERNEL_VERSION="6.8.0-52-generic"
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KERNEL_VERSION=""
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OFFLINE_MODE=false
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DOWNLOAD_ONLY=false
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DEB_DIR=""
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SKIP_DKMS=false
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DKMS_BACKUP_DIR="/tmp/dkms_backup_$$"
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# 日志文件路径(当前目录)
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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LOG_FILE="${SCRIPT_DIR}/log-$(date +%Y%m%d)-dacs.log"
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m'
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# 日志函数:同时输出到终端和文件
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log_info() {
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local msg="[INFO] $*"
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echo -e "${YELLOW}${msg}${NC}"
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echo "[$(date '+%Y-%m-%d %H:%M:%S')] ${msg}" >> "$LOG_FILE"
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}
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log_ok() {
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local msg="[OK] $*"
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echo -e "${GREEN}${msg}${NC}"
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echo "[$(date '+%Y-%m-%d %H:%M:%S')] ${msg}" >> "$LOG_FILE"
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}
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log_err() {
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local msg="[ERROR] $*"
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echo -e "${RED}${msg}${NC}"
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echo "[$(date '+%Y-%m-%d %H:%M:%S')] ${msg}" >> "$LOG_FILE"
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}
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log_step() {
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local msg="[STEP] $*"
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echo -e "${BLUE}${msg}${NC}"
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echo "[$(date '+%Y-%m-%d %H:%M:%S')] ${msg}" >> "$LOG_FILE"
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}
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# 清理函数:确保退出时恢复 DKMS 钩子
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cleanup() {
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restore_dkms_hook
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}
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trap cleanup EXIT INT TERM
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# --- 参数解析 ---
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parse_args() {
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--offline)
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OFFLINE_MODE=true
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DEB_DIR="${2:?'--offline 需要指定包目录路径'}"
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shift 2
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;;
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--download)
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DOWNLOAD_ONLY=true
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DEB_DIR="${2:?'--download 需要指定保存目录路径'}"
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shift 2
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;;
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--version)
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KERNEL_VERSION="$2"
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shift 2
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;;
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--skip-dkms)
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SKIP_DKMS=true
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shift
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;;
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-h|--help)
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echo "用法:"
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echo " sudo $0 # 交互式(自动检测网络)"
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echo " sudo $0 --offline /path/to/debs # 强制离线,指定包目录"
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echo " sudo $0 --download /path/to/debs # 仅下载包(需要网络)"
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echo " sudo $0 --version 6.8.0-52-generic # 指定内核版本(可与上述组合)"
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echo " sudo $0 --skip-dkms # 跳过 DKMS 自动编译(解决驱动兼容问题)"
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exit 0
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;;
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*)
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log_err "未知参数: $1,使用 --help 查看用法。"
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exit 1
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;;
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esac
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done
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}
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# --- 网络检测 ---
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check_network() {
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curl -s --max-time 3 http://archive.ubuntu.com/ubuntu/ -o /dev/null 2>&1
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}
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# --- 内核检测 ---
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get_kernel_list() {
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grep menuentry_id_option /boot/grub/grub.cfg
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}
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check_kernel_installed() {
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[[ $(get_kernel_list) == *"$KERNEL_VERSION"* ]]
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}
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is_kernel_package_installed() {
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dpkg -l | grep -q "linux-image-$KERNEL_VERSION"
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}
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check_kernel_version_format() {
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[[ $1 =~ ^[0-9]+\.[0-9]+\.[0-9]+-[0-9]+-generic$ ]]
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}
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# --- DKMS 管理 ---
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list_dkms_modules() {
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dkms status 2>/dev/null | awk -F'[,:]' '{print $1"/"$2}' | sort -u
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}
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check_dkms_compatibility() {
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log_info "检查 DKMS 驱动兼容性..."
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local modules
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modules=$(list_dkms_modules)
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if [[ -z "$modules" ]]; then
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log_info "未检测到 DKMS 驱动。"
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return 0
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fi
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echo -e "${YELLOW}当前系统已安装的 DKMS 驱动:${NC}"
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echo "$modules"
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echo ""
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local problematic_modules=()
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while IFS= read -r mod; do
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# 已知问题驱动列表
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if [[ "$mod" =~ elkeid-driver|bbr|sch_cake ]]; then
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problematic_modules+=("$mod")
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fi
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done <<< "$modules"
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if [[ ${#problematic_modules[@]} -gt 0 ]]; then
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echo -e "${YELLOW}警告:以下驱动可能与新内核不兼容:${NC}"
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for m in "${problematic_modules[@]}"; do
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echo " - $m"
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done
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echo ""
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return 1
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fi
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return 0
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}
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disable_dkms_hook() {
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if [[ -x /etc/kernel/postinst.d/dkms ]]; then
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log_info "临时禁用 DKMS 自动编译钩子..."
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mkdir -p "$DKMS_BACKUP_DIR"
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mv /etc/kernel/postinst.d/dkms "$DKMS_BACKUP_DIR/"
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log_ok "DKMS 钩子已禁用(备份到 $DKMS_BACKUP_DIR)"
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fi
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}
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restore_dkms_hook() {
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if [[ -f "$DKMS_BACKUP_DIR/dkms" ]]; then
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log_info "恢复 DKMS 钩子..."
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mv "$DKMS_BACKUP_DIR/dkms" /etc/kernel/postinst.d/
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chmod +x /etc/kernel/postinst.d/dkms
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rm -rf "$DKMS_BACKUP_DIR"
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log_ok "DKMS 钩子已恢复"
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fi
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}
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handle_dkms_failure() {
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log_err "DKMS 驱动编译失败!"
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echo ""
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echo "可能的原因:"
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echo " 1. 某些第三方驱动与新内核不兼容(如 elkeid-driver、旧版 nvidia 等)"
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echo " 2. 缺少编译依赖"
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echo ""
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echo "解决方案:"
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echo " A. 临时移除问题驱动后重试"
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echo " B. 强制完成安装(忽略 DKMS 错误)"
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echo " C. 退出并手动排查"
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echo ""
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read -p "请选择 [A/B/C]: " choice
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case "$choice" in
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A|a)
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echo ""
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list_dkms_modules
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echo ""
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read -p "请输入要移除的驱动名称(格式: driver/version,如 elkeid-driver/1.7.0.22): " module_to_remove
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if [[ -n "$module_to_remove" ]]; then
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log_info "移除驱动: $module_to_remove"
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dkms remove "$module_to_remove" --all
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log_ok "驱动已移除,重新尝试安装..."
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return 0
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else
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log_err "未输入驱动名称,退出。"
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exit 1
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fi
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;;
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B|b)
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log_info "强制完成安装(忽略 DKMS 错误)..."
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dpkg --configure -a
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apt-get install -f -y
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if is_kernel_package_installed; then
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log_ok "内核已安装(部分驱动可能未编译)"
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return 0
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else
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log_err "强制安装失败。"
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exit 1
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fi
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;;
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C|c|*)
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log_info "退出。请查看 TROUBLESHOOTING.md 获取详细排查步骤。"
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exit 1
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;;
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esac
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}
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# --- 在线安装 ---
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apt_update() {
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log_info "正在更新软件包列表..."
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if apt-get update 2>&1 | tee -a "$LOG_FILE"; then
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return 0
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else
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log_err "apt-get update 失败,请检查网络连接。"
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exit 1
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fi
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}
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install_kernel_online() {
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log_step "在线安装内核: ${KERNEL_VERSION}"
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# 如果启用了 --skip-dkms,临时禁用 DKMS 钩子
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if [[ "$SKIP_DKMS" == true ]]; then
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disable_dkms_hook
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fi
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if apt-get install -y \
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linux-image-"$KERNEL_VERSION" \
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linux-headers-"$KERNEL_VERSION" \
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linux-modules-extra-"$KERNEL_VERSION" \
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dkms \
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build-essential 2>&1 | tee -a "$LOG_FILE"; then
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log_ok "内核相关基础包安装成功!"
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# 恢复 DKMS 钩子
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if [[ "$SKIP_DKMS" == true ]]; then
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restore_dkms_hook
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fi
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else
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# 检查是否是 DKMS 导致的失败
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if grep -q "dkms.*failed" /var/log/apt/term.log 2>/dev/null || \
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grep -q "post-installation script subprocess returned error" /var/log/apt/term.log 2>/dev/null; then
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# 恢复钩子(如果之前禁用了)
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restore_dkms_hook
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# 提供交互式修复
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handle_dkms_failure
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# 用户选择修复后,重新尝试
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install_kernel_online
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else
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log_err "内核安装失败,请检查网络或版本号是否存在。"
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restore_dkms_hook
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exit 1
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fi
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fi
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}
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# --- 离线安装 ---
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check_offline_packages() {
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local dir="$1"
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local missing=()
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local required_patterns=(
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"linux-image-${KERNEL_VERSION}"
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"linux-headers-${KERNEL_VERSION}"
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"linux-modules-extra-${KERNEL_VERSION}"
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)
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for pattern in "${required_patterns[@]}"; do
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if ! ls "$dir"/${pattern}*.deb &>/dev/null; then
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missing+=("$pattern")
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fi
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done
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if [[ ${#missing[@]} -gt 0 ]]; then
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log_err "离线包目录 '$dir' 中缺少以下包:"
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for m in "${missing[@]}"; do
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echo " - ${m}*.deb"
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done
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echo ""
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echo "请先在有网络的机器上运行:"
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echo " sudo $0 --download $dir --version $KERNEL_VERSION"
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return 1
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fi
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return 0
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}
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install_kernel_offline() {
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local dir="$1"
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log_step "离线安装内核: ${KERNEL_VERSION},包目录: $dir"
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if ! check_offline_packages "$dir"; then
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exit 1
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fi
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# 如果启用了 --skip-dkms,临时禁用 DKMS 钩子
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if [[ "$SKIP_DKMS" == true ]]; then
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disable_dkms_hook
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fi
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# 安装 dkms / build-essential(如果包目录中有的话)
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for pkg in dkms build-essential; do
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if ! dpkg -l | grep -q "^ii $pkg"; then
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if ls "$dir"/${pkg}*.deb &>/dev/null; then
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log_info "从包目录安装 $pkg ..."
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dpkg -i "$dir"/${pkg}*.deb || true
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else
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log_info "包目录中无 $pkg,跳过(DKMS 驱动编译可能受影响)。"
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fi
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fi
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done
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log_info "安装内核包(按依赖顺序)..."
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# headers → modules → modules-extra → image
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local debs=()
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for pattern in \
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"linux-headers-${KERNEL_VERSION}" \
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"linux-modules-${KERNEL_VERSION}" \
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"linux-modules-extra-${KERNEL_VERSION}" \
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"linux-image-${KERNEL_VERSION}"; do
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while IFS= read -r -d '' f; do
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debs+=("$f")
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done < <(find "$dir" -name "${pattern}*.deb" -print0)
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done
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if [[ ${#debs[@]} -eq 0 ]]; then
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log_err "未找到任何匹配的 .deb 文件。"
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restore_dkms_hook
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exit 1
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fi
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if dpkg -i "${debs[@]}" 2>&1 | tee -a "$LOG_FILE"; then
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log_ok "内核离线安装成功!"
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restore_dkms_hook
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else
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# 检查是否是 DKMS 错误
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if dmesg | tail -50 | grep -q "dkms.*failed" || \
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dpkg -l | grep -q "^iU.*linux-image-${KERNEL_VERSION}"; then
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restore_dkms_hook
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handle_dkms_failure
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# 重新尝试
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install_kernel_offline "$dir"
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else
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log_info "尝试修复依赖关系(apt-get install -f)..."
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apt-get install -f -y 2>&1 | tee -a "$LOG_FILE"
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if is_kernel_package_installed; then
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log_ok "内核离线安装成功!"
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restore_dkms_hook
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else
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log_err "内核离线安装失败,请检查 .deb 包是否完整或版本是否匹配。"
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restore_dkms_hook
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exit 1
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fi
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fi
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fi
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}
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# --- 下载模式 ---
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download_packages() {
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local dir="$1"
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mkdir -p "$dir"
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log_step "下载内核包到目录: $dir(内核版本: $KERNEL_VERSION)"
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apt_update
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log_info "下载内核相关包(不安装)..."
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apt-get install --download-only -y \
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linux-image-"$KERNEL_VERSION" \
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linux-headers-"$KERNEL_VERSION" \
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linux-modules-extra-"$KERNEL_VERSION" \
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dkms \
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build-essential 2>&1 | tee -a "$LOG_FILE"
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log_info "复制下载的包到 $dir ..."
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find /var/cache/apt/archives/ \( \
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-name "linux-image-${KERNEL_VERSION}*.deb" \
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-o -name "linux-headers-${KERNEL_VERSION}*.deb" \
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-o -name "linux-modules-${KERNEL_VERSION}*.deb" \
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-o -name "linux-modules-extra-${KERNEL_VERSION}*.deb" \
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-o -name "dkms*.deb" \
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-o -name "build-essential*.deb" \
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\) -exec cp {} "$dir/" \; 2>&1 | tee -a "$LOG_FILE"
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log_ok "下载完成,包列表:"
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ls -lh "$dir"/*.deb 2>&1 | tee -a "$LOG_FILE" || log_err "目录中没有找到 .deb 文件,下载可能失败。"
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echo ""
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echo "将 $dir 目录复制到目标机器后,运行:"
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echo " sudo $0 --offline $dir --version $KERNEL_VERSION"
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}
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# --- GRUB 配置 ---
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get_kernel_uuid() {
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local kernel_list
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kernel_list=$(get_kernel_list)
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local gnulinux="gnulinux-advanced"
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local kernel_advanced="gnulinux-$KERNEL_VERSION-advanced"
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local gnulinux_uuid=""
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local kernel_advanced_uuid=""
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while read -r l; do
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if [[ $l == *"$gnulinux"* ]]; then
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gnulinux_uuid=$(echo "$l" | sed -n "s/.*\($gnulinux[^']*\).*/\1/p")
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elif [[ $l == *"$kernel_advanced"* ]]; then
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kernel_advanced_uuid=$(echo "$l" | sed -n "s/.*\($kernel_advanced[^']*\).*/\1/p")
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fi
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done <<< "$kernel_list"
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echo "$gnulinux_uuid>$kernel_advanced_uuid"
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}
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set_boot_kernel() {
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local grub_path="/etc/default/grub"
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local default="GRUB_DEFAULT="
|
||||
local newlines=""
|
||||
local uuid_list
|
||||
uuid_list=$(get_kernel_uuid)
|
||||
|
||||
while read -r l; do
|
||||
if [[ $l == $default* ]]; then
|
||||
newlines+="$default\"$uuid_list\"\n"
|
||||
else
|
||||
newlines+="$l\n"
|
||||
fi
|
||||
done < "$grub_path"
|
||||
|
||||
echo -e "\n${YELLOW}新的 /etc/default/grub 配置预览:${NC}"
|
||||
echo -e "$newlines"
|
||||
|
||||
read -p "请确认配置是否正确,输入Y确认回写文件,按任意键跳过: " answer
|
||||
if [[ "$answer" == "Y" || "$answer" == "y" ]]; then
|
||||
echo -e "$newlines" > "$grub_path"
|
||||
return 0
|
||||
fi
|
||||
return 1
|
||||
}
|
||||
|
||||
set_default_boot_kernel() {
|
||||
if ! check_kernel_installed; then
|
||||
if [[ "$OFFLINE_MODE" == true ]]; then
|
||||
install_kernel_offline "$DEB_DIR"
|
||||
else
|
||||
apt_update
|
||||
install_kernel_online
|
||||
fi
|
||||
fi
|
||||
|
||||
if set_boot_kernel; then
|
||||
log_info "正在更新 GRUB 引导程序..."
|
||||
update-grub 2>&1 | tee -a "$LOG_FILE"
|
||||
|
||||
# 如果没有跳过 DKMS,尝试为新内核编译驱动
|
||||
if [[ "$SKIP_DKMS" == false ]]; then
|
||||
log_info "正在为新内核 ($KERNEL_VERSION) 构建驱动程序 (DKMS)..."
|
||||
if dkms autoinstall -k "$KERNEL_VERSION" 2>&1 | tee -a "$LOG_FILE"; then
|
||||
log_ok "DKMS 驱动编译成功。"
|
||||
else
|
||||
log_err "DKMS 驱动编译失败(部分驱动可能不可用)。"
|
||||
echo "可以重启后手动运行: sudo dkms autoinstall -k $KERNEL_VERSION"
|
||||
fi
|
||||
else
|
||||
log_info "已跳过 DKMS 自动编译(可重启后手动运行: sudo dkms autoinstall -k $KERNEL_VERSION)。"
|
||||
fi
|
||||
fi
|
||||
}
|
||||
|
||||
hold_default_boot_kernel() {
|
||||
log_info "正在锁定内核版本,防止被系统更新替换..."
|
||||
apt-mark hold linux-image-"$KERNEL_VERSION"
|
||||
apt-mark hold linux-headers-"$KERNEL_VERSION"
|
||||
apt-mark hold linux-modules-extra-"$KERNEL_VERSION"
|
||||
}
|
||||
|
||||
# --- 主程序 ---
|
||||
|
||||
parse_args "$@"
|
||||
|
||||
if [[ $EUID -ne 0 ]]; then
|
||||
log_err "请使用 root 权限运行此脚本!"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# 记录脚本启动信息
|
||||
{
|
||||
echo ""
|
||||
echo "=========================================="
|
||||
echo "脚本启动时间: $(date '+%Y-%m-%d %H:%M:%S')"
|
||||
echo "执行命令: $0 $*"
|
||||
echo "当前用户: $(whoami)"
|
||||
echo "主机名: $(hostname)"
|
||||
echo "当前内核: $(uname -r)"
|
||||
echo "=========================================="
|
||||
echo ""
|
||||
} >> "$LOG_FILE"
|
||||
|
||||
log_info "日志文件: $LOG_FILE"
|
||||
|
||||
# 下载模式:只下载,不安装
|
||||
if [[ "$DOWNLOAD_ONLY" == true ]]; then
|
||||
if [[ -z "$KERNEL_VERSION" ]]; then
|
||||
read -p "请输入要下载的内核版本号 (直接回车使用 $DEFAULT_KERNEL_VERSION): " user_input
|
||||
KERNEL_VERSION="${user_input:-$DEFAULT_KERNEL_VERSION}"
|
||||
fi
|
||||
if ! check_kernel_version_format "$KERNEL_VERSION"; then
|
||||
log_err "版本格式不正确(示例: 6.8.0-52-generic)"
|
||||
exit 1
|
||||
fi
|
||||
download_packages "$DEB_DIR"
|
||||
exit 0
|
||||
fi
|
||||
|
||||
# 交互式选择内核版本(命令行未指定时)
|
||||
if [[ -z "$KERNEL_VERSION" ]]; then
|
||||
read -p "请输入要安装的内核版本号 (直接回车使用 $DEFAULT_KERNEL_VERSION): " user_input
|
||||
if [[ -z "$user_input" ]]; then
|
||||
KERNEL_VERSION="$DEFAULT_KERNEL_VERSION"
|
||||
else
|
||||
KERNEL_VERSION="$user_input"
|
||||
if ! check_kernel_version_format "$KERNEL_VERSION"; then
|
||||
log_err "格式不正确,将使用默认版本 $DEFAULT_KERNEL_VERSION。"
|
||||
KERNEL_VERSION="$DEFAULT_KERNEL_VERSION"
|
||||
fi
|
||||
fi
|
||||
fi
|
||||
|
||||
# 自动检测网络(未强制指定离线模式时)
|
||||
if [[ "$OFFLINE_MODE" == false ]]; then
|
||||
if check_network; then
|
||||
log_info "网络可用,使用在线模式。"
|
||||
else
|
||||
log_info "网络不可用,自动切换到离线模式。"
|
||||
OFFLINE_MODE=true
|
||||
if [[ -z "$DEB_DIR" ]]; then
|
||||
read -p "请输入本地 .deb 包目录路径: " DEB_DIR
|
||||
if [[ -z "$DEB_DIR" || ! -d "$DEB_DIR" ]]; then
|
||||
log_err "目录不存在或未指定,退出。"
|
||||
exit 1
|
||||
fi
|
||||
fi
|
||||
fi
|
||||
fi
|
||||
|
||||
# DKMS 兼容性检查(除非用户已指定 --skip-dkms)
|
||||
if [[ "$SKIP_DKMS" == false ]]; then
|
||||
if ! check_dkms_compatibility; then
|
||||
echo ""
|
||||
read -p "检测到可能不兼容的 DKMS 驱动,是否跳过 DKMS 自动编译?(Y/N): " answer
|
||||
if [[ "$answer" == "Y" || "$answer" == "y" ]]; then
|
||||
SKIP_DKMS=true
|
||||
log_info "将跳过 DKMS 自动编译。"
|
||||
else
|
||||
log_info "继续安装(如遇 DKMS 错误会提供修复选项)。"
|
||||
fi
|
||||
fi
|
||||
fi
|
||||
|
||||
# 安装阶段
|
||||
if is_kernel_package_installed; then
|
||||
log_info "内核包 linux-image-$KERNEL_VERSION 已经安装。"
|
||||
# 确保 headers 存在以便编译驱动
|
||||
if [[ "$OFFLINE_MODE" == true ]]; then
|
||||
if ls "$DEB_DIR"/linux-headers-"${KERNEL_VERSION}"*.deb &>/dev/null; then
|
||||
dpkg -i "$DEB_DIR"/linux-headers-"${KERNEL_VERSION}"*.deb || true
|
||||
dpkg -i "$DEB_DIR"/dkms*.deb "$DEB_DIR"/build-essential*.deb 2>/dev/null || true
|
||||
fi
|
||||
else
|
||||
apt-get install -y linux-headers-"$KERNEL_VERSION" dkms build-essential
|
||||
fi
|
||||
else
|
||||
if [[ "$OFFLINE_MODE" == true ]]; then
|
||||
install_kernel_offline "$DEB_DIR"
|
||||
else
|
||||
install_kernel_online
|
||||
fi
|
||||
fi
|
||||
|
||||
# 设置默认启动内核
|
||||
read -p "是否设置 $KERNEL_VERSION 为默认启动内核?(Y/N): " answer
|
||||
if [[ "$answer" == "Y" || "$answer" == "y" ]]; then
|
||||
set_default_boot_kernel
|
||||
fi
|
||||
|
||||
# 锁定内核版本
|
||||
read -p "是否锁定该内核版本(防止系统自动更新内核)?(Y/N): " answer
|
||||
if [[ "$answer" == "Y" || "$answer" == "y" ]]; then
|
||||
hold_default_boot_kernel
|
||||
fi
|
||||
|
||||
log_ok "操作完成!"
|
||||
echo -e "${YELLOW}注意:如果重启后显卡驱动不正常,请检查 Secure Boot 是否已关闭。${NC}"
|
||||
|
||||
# 记录脚本完成信息
|
||||
{
|
||||
echo ""
|
||||
echo "=========================================="
|
||||
echo "脚本完成时间: $(date '+%Y-%m-%d %H:%M:%S')"
|
||||
echo "目标内核版本: $KERNEL_VERSION"
|
||||
echo "安装模式: $([ "$OFFLINE_MODE" == true ] && echo "离线" || echo "在线")"
|
||||
echo "DKMS 状态: $([ "$SKIP_DKMS" == true ] && echo "已跳过" || echo "已执行")"
|
||||
echo "=========================================="
|
||||
echo ""
|
||||
} >> "$LOG_FILE"
|
||||
|
||||
read -p "是否立刻重启系统?(Y/N): " answer
|
||||
if [[ "$answer" == "Y" || "$answer" == "y" ]]; then
|
||||
log_info "系统即将重启..."
|
||||
reboot
|
||||
fi
|
||||
Reference in New Issue
Block a user