lilo--实践篇(FAQ)

作者  joe (左右为难)                      标题  关于lilo-实践篇（FAQ）                       时间  Wed Aug 25 16:23:48 1999                      ──────────────────────────────────────                      ─                      F1 重装win98找不到linux的问题：                      一个硬盘是win98与linux双重启动，lilo安装在主引导区，但是当我重装win98后lilo却                      不                      见了                      win98重写MBR，将lilo引导给覆盖了。                      F2 如何去掉mbr的LILO                      1 in linux: lilo -u                      2 in 95 fdisk /mbr                      3. #dd if=/boot/boot.0300 of=/dev/hda bs=446 count=1                      4. #cat /boot/boot.0300 > /dev/hda                      注意：只有你原先安装windows 95后再安装Linux时，/boot/boot.0300才是你原先的wi                      ndo                      ws 95 MBR。                      F3 重存LILO到MBR                      1. 用安装软盘或光盘启动到boot:                      boot: vmlinuz  root=/dev/hdXY (如: hda1 )                      启动完成后运行 #/sbin/lilo                      2. 用两张软盘启动后：                      #mount -t ext2 /dev/hda1 /mnt                      #ln -s /mnt/boot boot                      #ln -s /mnt/etc/lilo.conf  /etc/lilo.conf                      #/mnt/sbin/lilo                      F4 制作一张Redhat Linux 引导盘                       #mkbootdisk  --device  /dev/fd0  2.0.36-3                      F5 如何在linux下把大于64m的内存加上？                      :  : 从dos下用loadlinu启动linux可以把大于64m的内存用上，                      :  : 加mem=。。。。。。。即可。                      :  : 但我直接启动linux却不行。我改lilo.conf，加上mem=.....                      :     append "mem=128M"                      :     试试?可恨我可没有>64M的情况。                      :     上次在讨论组里看到："求助：Linux用1G内存里出问题了"                           ok!I got it!                          但需改为： append = "mem=100663296"                      (我的是 96M）                        以byte为单位！                      F6 如何制作Linux的Boot软盘                      第一种方法:直接启动,bootdisk上只有kernel                      1.cp zImage /dev/fd0 或 cat zImage > /dev/fd0                      2.rdev -R /dev/fd0 0                      这样才能使根mount成read-write,否则启动后/是read-only的                      3.rdev /dev/fd0 root_device                      比如用软盘做rootdisk,则:rdev /dev/fd0 /dev/fd0                      用硬盘做为root,则:rdev /dev/fd0 /dev/hda1                      这样做出的bootdisk,kernel从0道1扇区开始,所以无所谓文件格式,                      第二种方法:在bootdisk上安装lilo                      1.mke2fs /dev/fd0                      2.mount /dev/fd0 /mnt                      3.cp /boot/boot.b /mnt                      4.cp your_message /mnt/message (启动时显示的信息,可以不要)                      5.cp zImage /mnt                      6.rdev -R /mnt/zImage 0                      7.edit your lilo.conf                      7.edit your lilo.conf                      8.lilo -C lilo.conf                      bootdisk可以用dd做成image文件:dd if=/dev/fd0 of=bootdisk_file                      然后用dd恢复到软盘上:dd if=bootdisk_file of=/dev/fd0                      以下是lilo.conf的例子:                      boot = /dev/fd0                      message=/mnt/message #若不想显示message,则注释掉此行                      vga=normal                      prompt                      install=/mnt/boot.b                      map=/mnt/map                      image = /mnt/zImage                      label = ramdisk                      ramdisk = 1440                      root = /dev/fd0                      image = /mnt/zImage                      label = drive2                      ramdisk = 1440                      root = /dev/fd1                      image = /mnt/zImage                      label = mount                      ramdisk = 0                      root = /dev/fd0                      F7 Root口令丢失后怎么办                      有三种解决方法：                      1 在lilo的时候敲： linux single                      2只要在开机时boot:linux init=/bin/sh rw就可以了                      3用boot盘和root盘启动,进入到安装状态,然后把文件系统mount到一个目录里,如/mnt里                      ,随                      后修改/etc/passwd即可。                      --                      ※ Origin: 笑 书 亭 bbs.zd.dhs.org                      ◆ From: 210.32.132.203