Linux liloconfig命令

liloconfig是一个配置工具，而lilo是实际的引导加载程序：

liloconfig生成配置文件 → lilo读取配置并安装到MBR

┌─────────────────────────────────────┐
│        LILO Configuration           │
├─────────────────────────────────────┤
│  1. Simple - 自动简单配置          │
│  2. Expert - 专家模式              │
│  3. Skip - 跳过配置                │
│  4. View - 查看当前配置            │
│  5. Boot - 测试引导                │
│  6. Quit - 退出                    │
└─────────────────────────────────────┘

# 由liloconfig生成的简单配置
boot = /dev/sda
map = /boot/map
install = /boot/boot.b
prompt
timeout = 50
default = Slackware64

image = /boot/vmlinuz-generic-5.10.0
  label = Slackware64
  root = /dev/sda1
  read-only

# Windows和Slackware双系统配置
boot = /dev/sda
timeout = 150
prompt
default = Slackware64

image = /boot/vmlinuz-generic-5.10.0
  label = Slackware64
  root = /dev/sda1
  read-only
  append = "quiet"

other = /dev/sda2
  label = Windows10
  table = /dev/sda

# 服务器配置，无启动画面
boot = /dev/sda
compact
delay = 20
timeout = 0
vga = normal

image = /boot/vmlinuz-generic-5.10.0
  label = Slackware-Server
  root = /dev/sda1
  read-only
  append = "console=ttyS0,115200n8"

#!/bin/bash
# Slackware安装后首次引导配置脚本

echo "=== Slackware首次引导配置 ==="

# 检查是否已经配置过LILO
if [ -f /etc/lilo.conf ]; then
    echo "LILO配置已存在"
    echo "当前配置摘要："
    grep -E "^(boot|default|image|label)" /etc/lilo.conf

    read -p "重新配置LILO? (y/N): " REINSTALL
    if [ "$REINSTALL" != "y" ]; then
        exit 0
    fi
fi

# 运行liloconfig进行配置
echo "启动liloconfig..."
echo "请按照提示完成以下配置："
echo "1. 选择安装位置（通常是/dev/sda的MBR）"
echo "2. 选择要引导的内核"
echo "3. 确认根分区"
echo "4. 设置启动参数（可选）"
echo "5. 保存并退出"

sleep 3
liloconfig

# 验证配置
if [ -f /etc/lilo.conf ]; then
    echo "LILO配置成功生成"
    echo "运行lilo安装引导程序..."
    lilo -v

    if [ $? -eq 0 ]; then
        echo "LILO安装成功"
        echo "重启后请测试引导是否正常"
    else
        echo "LILO安装失败，请检查配置"
    fi
else
    echo "LILO配置失败"
fi

#!/bin/bash
# 内核更新后重新配置LILO

echo "=== 内核更新后LILO重新配置 ==="

# 查找最新的内核
NEW_KERNEL=$(ls -t /boot/vmlinuz-generic-* 2>/dev/null | head -1)

if [ -z "$NEW_KERNEL" ]; then
    echo "错误：未找到内核文件"
    exit 1
fi

echo "检测到新内核: $(basename $NEW_KERNEL)"

# 备份当前配置
BACKUP_FILE="/etc/lilo.conf.backup.$(date +%Y%m%d)"
cp /etc/lilo.conf $BACKUP_FILE
echo "配置已备份到: $BACKUP_FILE"

# 方法1：使用liloconfig重新配置
echo "方法1：使用liloconfig重新配置"
echo "在liloconfig中选择新内核，或按Ctrl+C使用方法2"
sleep 2

# 尝试运行liloconfig
liloconfig 2>/dev/null || {
    echo "使用liloconfig失败，尝试方法2"

    # 方法2：手动更新配置
    echo "手动更新/etc/lilo.conf"

    # 提取当前配置的根分区
    ROOT_DEVICE=$(grep -E "^[[:space:]]*root=" /etc/lilo.conf | head -1 | cut -d= -f2)

    if [ -n "$ROOT_DEVICE" ]; then
        # 创建新的配置
        cat > /etc/lilo.conf.new << EOF
boot=/dev/sda
map=/boot/map
install=/boot/boot.b
prompt
timeout=50
default=Slackware-New

image=$NEW_KERNEL
  label=Slackware-New
  root=$ROOT_DEVICE
  read-only
EOF

        # 合并新旧配置
        cp /etc/lilo.conf /etc/lilo.conf.old
        mv /etc/lilo.conf.new /etc/lilo.conf

        echo "配置已更新"
        echo "运行lilo安装新的引导程序..."
        lilo -v
    else
        echo "错误：无法确定根分区"
        exit 1
    fi
}

echo "LILO重新配置完成"