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ϵͳÒýµ¼¹ÜÀíÆ÷ GRUB Ϊ³õѧÕßÖ¸ÄÏ

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Briefly, boot loader is the first software program that runs when a computer starts. It is responsible for loading and transferring control to the operating system kernel software (such as the Hurd or the Linux). The kernel, in turn, initializes the rest of the operating system (e.g. GNU).



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WindowsÒ²ÓÐÀàËÆµÄ¹¤¾ßNTLOADER£»±ÈÈçÎÒÃÇÔÚ»úÆ÷Öа²×°ÁËWindows 98ºó£¬ÎÒÃÇÔÙ°²×°Ò»¸öWindows XP £¬ÔÚ»úÆ÷Æô¶¯µÄ»áÓÐÒ»¸ö²Ëµ¥ÈÃÎÒÃÇÑ¡Ôñ½øÈëÊǽøÈëWindows 98 »¹ÊǽøÈëWindows XP¡£NTLOADER¾ÍÊÇÒ»¸ö¶àϵͳÆô¶¯Òýµ¼¹ÜÀíÆ÷£¬NTLOADER ͬÑùÒ²ÄÜÒýµ¼Linux£¬Ö»ÊǼ«ÎªÂé·³°ÕÁË£»


ÔÚPowerpc ¼Ü¹¹µÄ»úÆ÷ÖУ¬Èç¹û°²×°ÁËLinuxµÄPowerpc °æ±¾£¬´ó¶àÊÇÓÃyaboot ¶àÖØÒýµ¼¹ÜÀíÆ÷£¬±ÈÈçApple»úĿǰÓõÄÊÇIBM Powerpc´¦ÀíÆ÷£¬ËùÒÔÔÚÈç¹ûÏëÔÚApple»úÉÏ£¬°²×°Macos ºÍLinux Powerpc °æ±¾£¬´ó¶àÊÇÓÃyabootÀ´Òýµ¼¶à¸ö²Ù×÷ϵͳ£»


ÒòΪĿǰX86¼Ü¹¹µÄ»úÆ÷ÈÔÊÇÖ÷Á÷£¬ ËùÒÔĿǰGRUBºÍLILO ÈÔÈ»ÊÇÎÒÃÇ×î³£ÓõĶàÖØ²Ù×÷ϵͳÒýµ¼¹ÜÀíÆ÷£»



2¡¢Ê²Ã´ÊÇGRUB£»ÎªÊ²Ã´ÎÒҪѡÔñGRUB£»



1£©Ê²Ã´ÊÇGRUB£»


GNU GRUB ÊÇÒ»¸ö¶àÖØ²Ù×÷ϵͳÆô¶¯¹ÜÀíÆ÷¡£GNU GRUB ÊÇÓÉGRUB£¨GRand Unified Bootloader£© ÅÉÉú¶øÀ´¡£GRUB ×î³õÓÉErich Stefan Boleyn Éè¼ÆºÍÓ¦Óã»


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GNU GRUB is a Multiboot boot loader. It was derived from GRUB, GRand Unified Bootloader, which was originally designed and implemented by Erich Stefan Boleyn.





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GRUBÕæµÄ²»ºÃÓÃÂ𣿲»Êǵģ¬Í¨¹ýLinuxSir.Org ÉçÇø½üËÄÄêÀ´µÄÔËÐУ¬ÎÒ·¢ÏÖÁË´ó¶àÐÂÊÖµÜÐÖ»¹ÊDz»Ì«Á˽âGRUB£»µ±È»ÕâÒ²ÓÐÖÐÎÄLinuxÉçÇøµÄÔðÈΣ¬ËäȻҲÓÐGRUBµÄÖÐÎÄÒë±¾£¬³õѧLinuxµÄµÜÐÖ¿ÉÄÜÓе㿴²»¶®£»


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ĿǰÕâÁ½¸ö¶àÖØÏµÍ³Òýµ¼¹ÜÀíÆ÷ÊÇ´ó¼Ò×î³£Óõģ¬Ò²ÊÇÖ÷Á÷Linux·¢ÐÐ°æ¶ø²ÉÓõģ»ÓеĵÜÐÖϲ»¶GRUB£¬±ÈÈçÎÒ¸öÈË£¬ÓеĵÜÐÖϲ»¶LILO £¬±ÈÈçetonyÐÖ£¨Ë­ÊÇetony£¬Çë²Î¼û http://debian.linuxsir.org £©£»


Ö÷Á÷·¢Ðаæ Fedora¡¢Redhat¡¢CentosµÈ»ùÓÚRPM°üµÄϵͳ£¬ÔÚ×îа汾Öж¼Ä¬ÈÏGRUBÒýµ¼£»Slackware ĿǰÈÔ²ÉÓÃLILO£»¶øDebian·¢ÐаæÄ¿Ç°×îеİ汾ҲÊDzÉÓÃGRUB£»


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GRUB²»µ«ÓÐLinux°æ±¾£¬Ò²ÓÐWindows°æ±¾£»ÏÖÎÒÃÇÒ»Ò»½éÉÜ£»


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2¡¢GRUBµÄWindows°æ±¾WINGRUB£»



Çë²Î¿¼£º¡¶ÒÔWINGRUB Òýµ¼°²×°Fedora 4.0 ΪÀý£¬ÏêÊöÓÃWINGRUBÀ´Òýµ¼LinuxµÄ°²×°¡·



3¡¢GRUBµÄLinux°æ±¾Èí¼þ°üµÄ°²×°£»



Æäʵ¶ÔÓÚLinuxµÄGRUB£¬¼¸ºõËùÓеÄLinuxÖ÷Á÷·¢Ðа涼Óдò°ü£¬Èç¹ûÄú°²×°ÁËLinux£¬²¢ÇÒÔÚ¿ª»úºó³öÏÖGRUB×ÖÑùµÄ£¬Ö¤Ã÷ÄúÒѾ­°²×°ÁËGRUB£»¶øÎÞÐèÔٴΰ²×°£»LinuxµÄGRUBÈí¼þ°ü°²×°²¿·Ý²¢²»ÊDZ¾ÎĵÄÖØµã£»


Èç¹ûÄúµÄLinuxϵͳûÓа²×°GRUB£¬»òÕß²ÉÓõÄÊÇLILO£¬¶øÄúÏëÓÃGRUB£¬¿ÉÒÔÓÃϵͳ°²×°ÅÌ×Ô´øGRUBÈí¼þ°üÀ´°²×°£¬»òÕßµ½Ïà¹Ø·¢Ðа汾µÄÈí¼þ²Ö¿âÏÂÔØºó°²×°£»


GRUB µÄLinux°æ±¾Ä¿Ç°ÔÚ¸÷´ó·¢ÐаæÖж¼Óдò°ü£»±ÈÈçFedora/Redhat/Centos/Mandrive/Mandriva/SuSEµÈÒÔRPM°ü¹ÜÀí»úÖÆµÄϵͳ£¬¿ÉÒÔͨ¹ýÈçϵÄÃüÁîÀ´°²×°£»


Çë²Î¿¼¡¶Fedora / Redhat Èí¼þ°ü¹ÜÀíÖ¸ÄÏ¡·



[root@localhost ~]# rpm -ivh grub*.rpm


Èç¹ûÊÇSlackware Äú¿ÉÒÔÓÃÈçϵİ취À´°²×°£»



[root@localhost ~]# installpkg grub*.tgz


ÆäËüµÄ·¢Ðа汾ÇëÓÃÆä×Ô¼ºÌØÉ«µÄÈí¼þ°ü¹ÜÀí¹¤¾ßÀ´°²×°£»


µ±È»ÄúÒ²¿ÉÒÔͨ¹ýÔ´Âë°ü£¬ÔÚÈκÎLinuxµÄ·¢ÐаæÉϰ²×°£»ÖÁÓÚÔ´Âë°üµÄ°²×°·½·¨£»


Çë²Î¿¼£º¡¶ÈçºÎ±àÒë°²×°Ô´Âë°üÈí¼þ¡·



[root@localhost ~]#tar zxvf grub*.tar.gz

[root@localhost ~]#cd grub-xxx

[root@localhost ~]#./configure;make;make install


È·ÈÏÄúÊÇ·ñ³É¹¦°²×°ÁËGRUB£¬Äú¿ÉÒÔ²âÊÔÊÇ·ñÓÐÈçÏÂÁ½¸öÃüÁ



[root@localhost ~]# grub

[root@localhost ~]# grub-install


Èç¹ûÄú²»ÄÜÕÒµ½ÕâÁ½¸öÃüÁ¿ÉÄÜÄúµÄ¿ÉÖ´ÐгÌÐòµÄ·¾¶Ã»ÓÐÉèÖã»


Çë²Î¿¼£º¡¶ÉèÖÿÉÖ´ÐгÌÐò·¾¶¡·£¬µ±È»Äú¿ÉÒÔÓþø¶Ô·¾¶£»±ÈÈçÏÂÃæµÄ£»



[root@localhost ~]# /usr/sbin/grub

[root@localhost ~]# /usr/sbin/grub-install


Èç¹ûÄú»¹ÊÇÕÒ²»µ½GRUBÈí¼þ°ü°²×°ÔÚÄÄÁË£»Äú¿ÉÒÔÓÃÏÂÃæµÄÃüÁîÀ´½â¾öºÍ²éÕÒ£»



[root@localhost ~]# updatedb ×¢£ºÕâ¸öÒª»¨ºÜ³¤Ê±¼ä£»ÊÇË÷Òýslocate µÄ¿â£¬È»ºóÔÙͨ¹ýlocateÀ´²éÕÒ£»

[root@localhost ~]# locate grub


±ÈÈçÕÒµ½µÄÊÇÓÐÀàËÆÈçϵģ»



ÒýÓÃ:
[root@localhost ~]# locate grub

/sbin/grub-md5-crypt

/sbin/grub

/sbin/grub-install

/sbin/grub-terminfo



ÔÚÒ»°ãÇé¿öÏ£¬ÔÚ·¾¶ÖдøÓÐbin»òsbinÖÐ×ÖÑùµÄ£¬ÕâЩ·¾¶Ï¶¼ÊÇ¿ÉÖ´ÐгÌÐò£»sbin Êdz¬¼¶È¨ÏÞÓû§²ÅÄÜʹÓõĹÜÀíÃüÁҪʹÓÃÕâЩÃüÁîÒ»°ãµÄÇé¿öϵÃÇл»µ½rootÓû§Ï²ÅÄÜʹÓã»±ÈÈç



[beinan@localhost ~]$ su - ×¢£ºÇл»µ½rootÓû§£¬²¢ÇÒÇл»µ½Æä¼ÒĿ¼£»

Password:

[root@localhost ~]#/sbin/grub ×¢£ºÓþø¶Ô·¾¶À´ÔËÐÐgrubÃüÁ

Èý¡¢ÔÚLinuxÖУ¬GRUBµÄÅäÖÃÖеݲװºÍдÈëÓ²Å̵ÄMBR£»




1¡¢ÔÚLinuxÖУ¬GRUBÅäÖùý³ÌÖеݲװgrub-install£»



grub-install ÃüÁîÓкÎÓÃÄØ£¿Æäʵ¾ÍÊǰÑÎÒÃÇÇ°ÃæÒѾ­°²×°µÄÈí¼þ°üÖеÄһЩÎļþ¸´ÖƵ½ /boot/grubÖУ»¶ÔÓÚа²×°GRUBÈí¼þ°üºó£¬Ò²ÊÇÒ»¸ö±Ø¾­µÄ¹ý³Ì£»ÎÒÃÇÇ°ÃæËù˵µÄGRUBÈí¼þ°üµÄ°²×°£»¶øÏÖÔÚÎÒÃÇ˵µÄÊÇGRUBÅäÖõĹý³ÌÖеݲװ£»ËäÈ»ÔÚÑóÎÄÖж¼ÊÇinstall £¬µ«±í´ïµÄÒâ˼ÊDz»Ò»ÑùµÄ£»


ÎÒÃÇÊ×ÏÈÒªÔËÐÐ fdisk -l À´È·Èϵ½µ×ÊÇÓ²Å̵ıêʶ£»


Õâ¸ö¹ý³ÌÖ÷ÒªÊÇÈ·ÈÏÓ²Å̵ıêʶÊÇÄĸöµ÷±¸£¬µ½µ×ÊÇ/dev/hda»¹ÊÇ/dev/hdb »¹ÊÇÆäËüµÄ£»



ÒýÓÃ:
[root@localhost ~]# fdisk -l

Disk /dev/hda: 80.0 GB, 80026361856 bytes

255 heads, 63 sectors/track, 9729 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System

/dev/hda1 * 1 970 7791493+ 7 HPFS/NTFS

/dev/hda2 971 9729 70356667+ 5 Extended

/dev/hda5 971 2915 15623181 b W95 FAT32

/dev/hda6 2916 4131 9767488+ 83 Linux

/dev/hda7 4132 5590 11719386 83 Linux

/dev/hda8 5591 6806 9767488+ 83 Linux

/dev/hda9 6807 9657 22900626 83 Linux

/dev/hda10 9658 9729 578308+ 82 Linux swap / Solaris



Èç¹ûͨ¹ýfdisk -l ³öÏÖÓÐ/dev/hda×ÖÑùµÄ£¬ÎÒÃǾÍÒªÓÃÏÂÃæµÄÃüÁîÀ´°²×°£»



ÒýÓÃ:
[root@localhost ~]# grub-install /dev/hda

Installation finished. No error reported.

This is the contents of the device map /boot/grub/device.map.

Check if this is correct or not. If any of the lines is incorrect,

fix it and re-run the script `grub-install'.

(fd0) /dev/fd0

(hd0) /dev/hda



Èç¹ûÊÇÄúfdisk -l ³öÏÖµÄÓÐ/dev/hdbÄØ£¬ÄǾÍÈçÏÂÔËÐУ»



[root@localhost ~]# grub-install /dev/hdb


Èç¹û¼ÈÓÐ/dev/hdaºÍ/dev/hdb ¾Í°²×°µ½/dev/hdaÖУ»



[root@localhost ~]# grub-install /dev/hda


ÖµµÃ×¢ÒâµÄÊÇÈç¹ûÄúÓÐÒ»¸ö/boot·ÖÇø£¬Ó¦¸ÃÓÃÈçϵİ취À´°²×°£»



[root@localhost ~]#grub-install --root-directory=/boot /dev/hda

[root@localhost ~]#grub-install --root-directory=/boot /dev/hdb


×¢½â£º¾ßÌåÊÇ/dev/hda»¹ÊÇ/dev/hdb£¬ÇëÒÔfdisk -l Ϊ׼£»Èç¹ûÁ½¸ö¶¼ÓУ¬¾Í¿´Äú°Ñ/boot·ÖÇøÊÇ·ÅÔÚµÚÒ»¿éÓ²ÅÌ»¹Êǵڶþ¿éÓ²ÅÌÉÏÁË£¬ÒÔʵ¼ÊÇé¿öΪ׼£»



2¡¢É趨GRUBµÄ/boot·ÖÇø²¢Ð´ÈëMBR£»£»


ÔÚLinuxÖУ¬GRUBÈí¼þ°üµÄ°²×°£¬¼°ÔÚÅäÖùý³ÌÖа²×°grubµ½ /bootÖл¹ÊDz»¹»µÄ£¬ »¹Òª°ÑGRUB£¬Ð´ÈëMBR²ÅÐУ»ÓÐʱÎÒÃÇÖØÐ°²×°ÁËWindows£¬Windows»á°ÑMBR ÖØÐ´£¬ÕâÑùGRUB¾ÍÏûʧÁË£»Èç¹ûÄú³öÏÖÕâÑùµÄÇé¿ö£¬¾ÍÒª½øÐÐÕâ¸ö¹ý³Ì£»



[root@localhost ~]# grub


»á³öÏÖgrub>Ìáʾ·û£¬ÕâÊÇgrubÃüÁîÐÐģʽ £¬Èç¹ûÄÜÔÚ¿ª»úÖгöÏÖÌáʾ·û£¬Ã»ÓÐÒýµ¼²»ÆðÀ´µÄϵͳ£¬³ý·ÇÄúµÄÏµÍ³ÆÆ»µµÄ¼«ÎªÑÏÖØ¡£Èç¹û½ö½öÊÇGRUB±»ÆÆ»µÁË£¬GRUBÃüÁîÐÐÊÇÄÜÈòÙ×÷ϵͳÒýµ¼ÆðÀ´µÄ£»


½Ó×Å¿´Àý×Ó£¬ÎÒÃÇÒªÕÒµ½ /boot/grub/stage1µÄ£¬ÔÚgrub>ºóÃæÊäÈ룻



grub> find /boot/grub/stage1

(hd0,6)

(fd0) ×¢£ºÕâ¸öÊÇÈíÇý£»ÏÖÔÚºÜÉÙÓÃÈíÇýÁË£¬Èç¹ûÄúÓÐÕâ·½ÃæµÄÐèÒª£¬×Ô¼º¿´GRUBµÄDOC°É£»


×¢½â£º


(hd0,6) ÕâÊÇ/bootËùÔڵķÖÇø£»²»ÒªÎó½âΪÊÇLinux µÄ/ËùÔڵķÖÇø£¬ÕâÊÇÖµµÃ×¢ÒâµÄ£»

(fd0) ×¢£ºÕâ¸öÊÇÈíÇý£»ÏÖÔÚºÜÉÙÓÃÈíÇýÁË£¬Èç¹ûÄúÓÐÕâ·½ÃæµÄÐèÒª£¬×Ô¼º¿´GRUBµÄDOC°É£»



grub>root (hd0,6) ×¢£ºÕâÊÇ/bootËùÔڵķÖÇø£»

grub>setup (hd0) ×¢£º°ÑGRUBдµ½MBRÉÏ£»


×¢½â£º


ÉÏÃæÕâ²½ÖèÊǸù¾Ý find /boot/stage1¶øÀ´µÄ£¬×Ðϸ¿´Ò»Ï¾ÍÃ÷°×ÁË£»ÏÖÔÚÎÒÃÇÒ»°ã°²×°ºÜÉÙ»á°Ñ/boot·ÖÇøÁÐΪһ¸öµ¥¶ÀµÄ·ÖÇø£»²»¹ýÓеĵÜÐÖ¿ÉÄÜҲϲ»¶Õâô×ö£»ËùÒÔ»¹ÊÇÓбØÒªËµÒ»ÏÂΪºÃ£»



ËÄ¡¢GRUBµÄÅäÖÃÎļþµÄmenu.lstµÄд·¨£»



¶ÔÓÚGRUBÀ´Ëµ£¬Èç¹ûûÓÐÅäÖÃmenu.lst£¬ÎÞÂÛÊÇLinux°æ±¾µÄGRUB£¬»¹ÊÇWINGRUB£¬¶¼»áÓÐÃüÁîÐпÉÓã¬Í¨¹ýÃüÁîÐÐÊÇÒ»ÑùÄܰѲÙ×÷ϵͳÒýµ¼ÆðÀ´µÄ£»ÓÐЩµÜÐÖ×ÜÒÔΪmenu.lst ÅäÖôíÁË£¬ »òÕßÔÚ»úÆ÷Æô¶¯ºó³öÏÖgrub>ÃüÁîÐÐģʽ¾ÍÒªÖØÐ°²×°ÏµÍ³£¬Æäʵ¸ù±¾Ã»ÓÐÕâ¸ö±ØÒª£»Ö»ÒªÑ§»áGRUBµÄÃüÁîÐеÄÓ÷¨£¬¸ù±¾Ã»ÓбØÒªÖØ×°ÏµÍ³£»


menu.lst λÓÚ/boot/grubĿ¼ÖУ¬Ò²¾ÍÊÇ/boot/grub/menu.lst Îļþ£»Äú¿ÉÒÔÓÃvi»òÄúϲ»¶µÄ±à¼­Æ÷À´±à¼­Ëû£»Èç¹ûÄú²»»áÓÃvi£¬»¹ÊÇȥѧϰһϰɣ»¼òµ¥µÄÓ÷¨ÔõôҲµÃ»á£¬¶Ô²»¶Ô£¿±Ï¾¹Õâ¸öÎĵµ²»Êǽ²viµÄÓ÷¨µÄ£»


ÓеĵÜÐÖ»á˵£¬ÎÒûÓÐmenu.lstÔõô°ì£¿ÄǾʹ´½¨Ò»¸ö£»ÓÃÏÂÃæµÄÃüÁ



[root@localhost ~]# touch /boot/grub/menu.lst


È»ºóÎÒÃÇÔÙ×öÒ»¸ö/boot/grub/menu.lst µÄÁ´½Ó /boot/grub/grub.conf


[root@localhost ~]# cd /boot/grub

[root@localhost ~]# ln -s menu.lst grub.conf


ÏÖÔÚÎÒÃÇÀ´Ð´GRUBµÄmenu.lstÁË£¬ÒòΪ/boot/grub/grub.confÊÇ /boot/grub/menu.lstµÄÁ´½ÓÎļþ£¬¸ÄÄĸö¶¼ÐС£Á´½ÓÎļþÏ൱ÓÚWindowsµÄ¿ì½Ý·½Ê½£¬ÕâÑù¿ÉÄÜÄܸüºÃµÄÀí½â£»



1¡¢menu.lstµÄд·¨Ö®Ò»£»



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ÒýÓÃ:
default=0

timeout=5

#splashimage=(hd0,6)/boot/grub/splash.xpm.gz

hiddenmenu

title Fedora Core (2.6.11-1.1369_FC4)

root (hd0,6)

kernel /boot/vmlinuz-2.6.11-1.1369_FC4 ro root=LABEL=/

initrd /boot/initrd-2.6.11-1.1369_FC4.img

title WinXp

rootnoverify (hd0,0)

chainloader +1



×¢½â£º



default=0


default=0 ÊÇĬÈÏÆô¶¯Äĸöϵͳ£¬´Ó0¿ªÊ¼£»Ã¿¸ö²Ù×÷ϵͳµÄÆô¶¯µÄ¶¨Òå¶¼´Ótitle¿ªÊ¼µÄ£¬µÚÒ»¸ötitle ÔÚGRUBµÄÆô¶¯²Ëµ¥ÉÏÏÔʾΪ0,µÚ¶þ¸öÆô¶¯Îª1£¬ÒÔ´ËÀàÍÆ£»


timeout=5


×¢£º±íʾÔÚ¿ª»úºó£¬GRUB»­Ãæ³öÏÖ¼¸Ãëºó¿ªÊ¼ÒÔĬÈÏÆô¶¯£»Èç¹ûÔÚÆô¶¯Ê±£¬Òƶ¯ÉÏϼü£¬Ôò½â³ýÕâÒ»¹æÔò£»

#splashimage=(hd0,6)/boot/grub/splash.xpm.gz ×¢£ºGRUBµÄ±³¾°»­Ã棬Õâ¸öÊÇ¿ÉÑ¡ÏÎÒ²»Ï²»¶GRUBµÄ±³¾°»­Ã棬ËùÒÔ¼Ó#ºÅ×¢µô£¬Ò²¿ÉÒÔɾ³ý£»


hiddenmenu


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1£©ÔÚmenu.lstÖÐ £¬Í¨¹ý root (hd[0-n],y)À´Ö¸¶¨/boot ËùÔڵķÖÇø£»



title XXXXX ×¢£ºtitle ºóÃæ¼ÓÒ»¸ö¿Õ¸ñ£¬title ÊÇСдµÄ£¬ºóÃæ¿ÉÒÔ×Ô¼º¶¨Ò壻±ÈÈçFC4£¬×Ô¼º¶¨ÒåÒ»¸öÃû×Ö¾ÍÐУ»

root (hd[0-n],y) £¬ÔÚ±¾ÀýÖУ¬ÎÒÃÇ¿´µ½µÄÊÇroot (hd0,6) ,root (hd[0-n],y)±íʾµÄÊÇ/bootËùÔڵķÖÇø£»ÓÐʱÎÒÃǰ²×°LinuxµÄʱºò£¬´ó¶àÊDz»ÉèÖÃ/bootµÄ£¬Õâʱ/bootºÍ/ËùÔÚµÄͬһ¸ö·ÖÇø£» Õâ¸öroot (hd[0-n],y)ºÜÖØÒª£¬ÒòΪ/bootĿ¼ÖÐËäÈ»ÓÐgrubĿ¼£¬×îÎªÖØÒªµÄÊÇ»¹ÓÐkernel ºÍinitrdÎļþ£¬ÕâÊÇLinuxÄÜÆô¶¯ÆðÀ´×îÎªÖØÒª¶«Î÷£»


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2£©ÔÚmenu.lstÖУ¬kernel ÃüÁîÐеÄд·¨£»



kernel Ò»ÐУ¬ÊÇָͨ¶¨Äں˼°LinuxµÄ/·ÖÇøËùÔÚλÖã»


±ÈÈçÀý×ÓÖÐÊÇ£»



kernel /boot/vmlinuz-2.6.11-1.1369_FC4 ro root=LABEL=/


ÔÚÕâÀïÒÔkernel Æðʼ£¬Ö¸¶¨LinuxµÄÄں˵ÄÎļþËù´¦µÄ¾ø¶Ô·¾¶£»ÒòΪÄÚºËÊÇ´¦ÔÚ/bootĿ¼Öеģ¬ Èç¹û/bootÊǶÀÁ¢µÄÒ»¸ö·ÖÇø£¬ÔòÐèÒª°ÑbootÊ¡ÂÔ£»Èç¹û/bootÊǶÀÁ¢µÄ·ÖÇø£¬ÕâÐÐҪд³É:


kernel /vmlinuz-2.6.11-1.1369_FC4 ro root=LABEL=/


ÒòΪ/bootËù´¦µÄ·ÖÇøÒѾ­ÔÚtitle ÏÂÒ»ÐÐroot (hd[0-n],y)ÖÐÖ¸¶¨ÁË£¬ËùÒÔ¾ÍÎÞÐèÒªÔÙÖ¸Ã÷Äں˴¦ÔÚÄĸö·ÖÇøÁË£»ÁíÍâLinuxϵͳµÄÓ²ÅÌ·ÖÇøµÄ¹ÒÔØÅäÖÃÎļþÔÚ/etc/fstab £¬Ô­ÀíÊÇͨ¹ý mount /dev/hd[a-z]X /boot À´½øÐеģ»Äú¿ÉÒÔ¶ÔÕÕ×ÅÀ´Àí½â£»


ro ±íʾֻ¶Á£» root=LABEL=/ À´±íʾLinuxµÄ¸ùËù´¦µÄ·ÖÇø¡£LABEL=/ ÕâÊÇÓ²ÅÌ·ÖÇø¸ñʽ»¯ÎªÏàÓ¦ÎļþϵͳºóËù¼ÓµÄ±êÇ©£»Èç¹ûÄú²»Á˽âʲôÊDZêÇ©£¬Ò²¿ÉÒÔÖ±½ÓÒÔ/dev/hd[a-z]X »òÕß/dev/sd[a-z]XÀ´±íʾ£»¾Í¿´ÄúµÄLinuxÊǸù·ÖÇøÊÇÔÚÄĸö·ÖÇøÁË¡£±ÈÈçÎÒµÄÊÇÔÚ/dev/hda7 £¬ ÄÇÕâÀï¾Í¿ÉÒÔд³Éroot=/dev/hda7£»


Èç¹û²é¿´ÏµÍ³ÔËÐÐËù¹ÒÔØµÄ·ÖÇø£¬ÇëÓà df -lh À´²é¿´£¬¾ÍÄÜÃ÷°×ÊDz»ÊÇ/bootÊǶÀÁ¢µÄ·ÖÇø£¬»òÕ߲鿴/etc/fstabÒ²ÄÜÖªµÀ£»



[root@localhost ~]# df -lh

Filesystem ÈÝÁ¿ ÒÑÓà ¿ÉÓà ÒÑÓÃ% ¹ÒÔØµã

/dev/hda7 11G 9.2G 1.2G 90% /

/dev/shm 236M 0 236M 0% /dev/shm


ÔÚÕâ¸öÀý×ÓÖУ¬ÎÒÃÇ¿ÉÒÔ·¢ÏÖ /boot²¢Ã»ÓгöÏÖÖ»ÓÐ/dev/hda7£¬Õâ±íʾ/boot²¢²»ÊǶÀÁ¢µÄÒ»¸ö·ÖÇø£»ËùÓеĶ«Î÷¶¼°üº¬ÔÚ/ÖУ»ÓÚÊÇÎÒÃÇÔÚ/bootÖв鿴Äں˰汾£»



[root@localhost ~]# ls /boot/vmlinuz*

/boot/vmlinuz-2.6.11-1.1369_FC4 ×¢£º¿´µ½ÄÚºËvmlinuzËù´¦µÄĿ¼£»


ÓÚÊÇÎÒÃǾͿÉÒÔÕâÑùkernel ÕâÐÐÁË£»



kernel /boot/vmlinuz-2.6.11-1.1369_FC4 ro root=/dev/hda7



3£©initrd ÃüÁîÐеÄд·¨£»



Èç¹ûÊÇ/boot¶ÀÁ¢Ò»¸ö·ÖÇø£¬initrd Ò»ÐÐÒª°Ñ/bootÖÐÊ¡ÂÔ£»Èç¹û/boot²»ÊÇ´¦ÓÚÒ»¸ö·ÖÇø£¬¶øÊǺÍLinuxµÄ/·ÖÇø´¦ÓÚͬһ·ÖÇø£¬²»Ó¦¸ÃÊ¡ÂÔ£»


±ÈÈçÎÒÃÇÔÚ2£©ÖÐÓõÄÀý×Ó£»ÏÖÔÚÄõ½ÕâÀÎÒÃÇÓ¦¸ÃÊ×ÏȲ鿴 /bootÖеÄinitrdµÄÎļþÃûµ½µ×ÊÇʲô£»



[root@localhost ~]# ls /boot/initrd*

/boot/initrd-2.6.11-1.1369_FC4.img


Èç¹ûÊÇͨ¹ýdf -lh µÃÖª»ò²é¿´/etc/fstab Ò²ÐУ¬ µÃÖª/bootÊǶÀÁ¢µÄ·ÖÇø£»Õâʱinitrd Ó¦¸Ãд³É£»



initrd /initrd-2.6.11-1.1369_FC4.img


Èç¹ûÊÇ /boot²»ÊǶÀ´¦Ò»¸ö·ÖÇø£¬¶øÊÇÔÚ/ͬһ´¦Ò»¸ö·ÖÇø£¬ ÔòҪд³É£»



initrd /boot/initrd-2.6.11-1.1369_FC4.img



4£©menu.lstµÚÒ»ÖÖд·¨µÄ×ܽáºÍʵ¼ù£»



ÔÚÕâÀÎÒÃÇÖ»ËµÖØÒªµÄ£¬²»ÖØÒªµÄ¾ÍÒ»´ø¶ø¹ýÁË£»


1£ÝÓÃfdisk -l £»df -lh £»more /etc/fstabÀ´È·ÈÏ·ÖÇøÇé¿ö£»


ÎÒÃǹýfdisk -l £»df -lh ; more /etc/fstab À´È·ÈÏ/bootËùÔڵķÖÇø£¬¼°LinuxµÄ¸ù·ÖÇøËùÔÚλÖã»


±ÈÈçÎÒÃÇÈ·ÈÏ/bootºÍLinuxµÄ/·ÖÇøÍ¬´¦Ò»¸ö·ÖÇø£»



[root@localhost ~]# df -lh

Filesystem ÈÝÁ¿ ÒÑÓà ¿ÉÓà ÒÑÓÃ% ¹ÒÔØµã

/dev/hda7 11G 9.2G 1.2G 90% /

/dev/shm 236M 0 236M 0% /dev/shm


È»ºóÎÒÃÇ/etc/fstab ÖÐ,²é¿´/·ÖËùÔڵķÖÇø»ò·ÖÇø±êÇ©ÊÇʲô£»



ÒýÓÃ:
[root@localhost ~]# more /etc/fstab

# This file is edited by fstab-sync - see 'man fstab-sync' for details

LABEL=/ / ext3 defaults 1 1

/dev/devpts /dev/pts devpts gid=5,mode=620 0 0

/dev/shm /dev/shm tmpfs defaults 0 0

/dev/proc /proc proc defaults 0 0

/dev/sys /sys sysfs defaults 0 0

LABEL=SWAP-hda1 swap swap defaults 0 0

/dev/hdc /media/cdrecorder auto pamconsole,exec,noauto,managed 0 0



¾­¹ýÉÏÃæµÄdf -lh ºÍmore /etc/fstab µÄ¶ÔÕÕÖеÃÖª£¬/boot²¢ÊǶÀ´¦Ò»¸ö·ÖÇø£¬¶øÊǺÍ/ÔÚͬһ¸ö·ÖÇø£»Õâ¸öLinuxϵͳ°²×°ÔÚ/dev/hda7ÉÏ£¬Îļþϵͳ£¨´Ë·ÖÇø£©µÄ±êǩΪLABEL=/ £¬/bootÒ²ÊÇ´¦ÓÚ/dev/hda7 £¬/dev/hda7Ò²¿ÉÒÔ˵ÊÇ root (hd0,6)£»


2]²é¿´ÄÚºËvmlinuzµÄºÍinitrdÎļþÃûµÄÈ«³Æ£»




ÒýÓÃ:
[root@localhost ~]# ls -lh /boot/vmlinuz*

-rw-r--r-- 1 root root 1.6M 2005-06-03 /boot/vmlinuz-2.6.11-1.1369_FC4

[root@localhost ~]# ls -lh /boot/initrd*

-rw-r--r-- 1 root root 1.1M 11ÔÂ 26 22:30 /boot/initrd-2.6.11-1.1369_FC4.img




3]¿ªÊ¼Ð´menu.lst £»



ÎÒÃǸù¾ÝÉÏÃæËùÌáµ½µÄ£¬¿ÉÒÔд³ÉÈçϵÄÑù×Ó£»



ÒýÓÃ:
default=0

timeout=5

title FC4

root (hd0,6)

kernel /boot/vmlinuz-2.6.11-1.1369_FC4 ro root=LABEL=/

initrd /boot/initrd-2.6.11-1.1369_FC4.img



Ò²¿ÉÒÔд³É£»



ÒýÓÃ:
default=0

timeout=5

title FC4

root (hd0,6)

kernel /boot/vmlinuz-2.6.11-1.1369_FC4 ro root=/dev/hda7

initrd /boot/initrd-2.6.11-1.1369_FC4.img



×¢½â£ºÉÏÃæÁ½¸ö²»Í¬Ö®´¦ÔÚÓÚÒ»Ö¸¶¨LinuxµÄ¸ù/ËùÔڵķÖÇøÊ±£¬Ò»¸öÊÇÓÃÁËÎļþϵͳµÄ±êÇ©£¬ÁíÒ»¸öûÓÐÓñêÇ©£»


2¡¢menu.lstµÄд·¨Ö®¶þ£¬¾«¼òÐÍ£»



±¾Ð´·¨Ö÷ÒªÊǰÑÖ¸¶¨/bootËùλÓÚµÄËù·ÖÇøÖ±½ÓдÈëkernel Ö¸ÁîÐУ»ÕâÑù¾ÍÊ¡ÂÔÁËͨ¹ýroot (hd[0-n],y)À´Ö¸¶¨/bootËùλÓڵķÖÇø£»



1)µÚÒ»ÖÖÇé¿ö£º/bootºÍLinuxµÄ/¸ù·ÖÇøÔÚͬһ¸ö·ÖÇø£»



ÓÐÇ°ÃæµÄÄÇô¶àµÄ½²½â£¬menu.lstд·¨Ö®¶þ¾ÍºÃÀí½â¶àÁË£»Ò²µÃ·ÖÁ½ÖÖÇé¿ö£¬ÔÛÃÇÏȰÑ/boot²¢²»ÊǶÀ´¦Ò»¸ö·ÖÇø£¬¶øÊǺÍLinuxµÄ¸ù·ÖÇø´¦ÓÚͬһ¸ö·ÖÇø£»ÎÒÃÇÒÔ 4£©menu.lstµÚÒ»ÖÖ·½·¨µÄд·¨×Ü½á µÄʵÀýΪÀý×Ó£»



ÒýÓÃ:
default=0

timeout=5

title FC4x

kernel (hd0,6)/boot/vmlinuz-2.6.11-1.1369_FC4 ro root=/dev/hda7

initrd (hd0,6)/boot/initrd-2.6.11-1.1369_FC4.img



×¢½â£º


title FC4x ×¢£º×Ô¼ºÎªÕâ¸öLinux Æð¸ö¼òµ¥µÄÃû£¬ÒÔtitle¿ªÍ·£¬È»ºóÒ»¸ö¿Õ¸ñ£¬ºóÃæ¾Í×Ô¼º·¢»Ó°É£¬FC4»òFC4x¶¼ÐУ»


kernel ¿Õ¸ñ (hd0,6)/boot/vmlinuz-2.6.11-1.1369_FC4 ¿Õ¸ñ ro ¿Õ¸ñ root=/dev/hda7


kernel ÕâÐÐÕâÑùÀí½â kernel (bootËùÔڵķÖÇø)/boot/ÄÚºËÎļþ¼þÈ«³Æ ro root=Linux¸ùËùλÓڵķÖÇø»ò±êÇ©


initrd ¿Õ¸ñ (hd0,6)/boot/initrd-2.6.11-1.1369_FC4.img

initrd ÕâÐпÉÒÔÕâÑùÀí½â initrd (/bootËùÔڵķÖÇø)/boot/ÄÚºËÎļþÃûÈ«³Æ



2£©µÚ¶þÖÖÇé¿ö£º/boot¶ÀÁ¢Ò»¸ö·ÖÇø£¬ºÍLinuxµÄ¸ù·ÖÇø²»ÊÇͬһ¸ö·ÖÇø£»



±ÈÈçÎÒÃDz鿴µ½df -lh µÃµ½µÄÊÇ



[root@localhost ~]# df -lh

Filesystem ÈÝÁ¿ ÒÑÓà ¿ÉÓà ÒÑÓÃ% ¹ÒÔØµã

/dev/hda6 200M 120M 80M 60% /boot

/dev/hda7 11G 9.2G 1.2G 90% /


ÎÒÃÇÔÙ½øÒ»Ðв鿴/etc/fstab µÃÖª£»



LABEL=/ / ext3 defaults 1 1

LABEL=/boot /boot ext3 defaults 1 2


ËùÒÔÎÒÃÇÓ¦¸Ãд³ÉÈçϵģ»



title FC4x

kernel (hd0,5)/vmlinuz-2.6.11-1.1369_FC4 ro root=LABEL=/

initrd (hd0,5)/initrd-2.6.11-1.1369_FC4.img


ÒòΪLinuxµÄ¸ù·ÖÇøÊÇ/dev/hda7£¬Í¨¹ý/etc/fstabºÍdf -hµÄÄÚÈݵÃÖª±êǩΪ LABEL=/µÄ·ÖÇø¾ÍÊÇ/dev/hda7 £¬ËùÒÔÓУ»



title FC4x

kernel (hd0,5)/vmlinuz-2.6.11-1.1369_FC4 ro root=/dev/hda7

initrd (hd0,5)/initrd-2.6.11-1.1369_FC4.img

Î塢ͨ¹ýGRUBÃüÁîÐÐÀ´Æô¶¯Linux²Ù×÷ϵͳ£»



GRUBµÄÃüÁîÐвÅÊÇÍõµÀ£¬Èç¹ûÖªµÀÔõôÓÃÃüÁîÐÐÀ´Æô¶¯²Ù×÷ϵͳ£¬ÄÇÀí½âmenu.lstµÄд·¨Ò²²»ÄÑ£»Ò²¾ÍÊÇ˵ÔÚ¿ª»úµÄʱºò£¬²»ÓÃGRUBµÄ²Ëµ¥£¬Í¨¹ýGRUBµÄÃüÁîÒ²ÊÇÒ»ÑùÄܰѲÙ×÷ϵͳÒýµ¼ÆðÀ´¡£


ÒòΪmenu.lstµÄÄÚÈݾÍÊÇGRUBµÄÒ»¸öÒ»¸öµÄÖ¸ÁºÏ£»ÊDz»ÊÇLinuxÕâÍæÒâºÜÉñÆæ£¿


1¡¢ÎªÊ²Ã´ÐèҪѧϰGRUBµÄÃüÁîÐУ»


µ±ÎÒÃǰÑGRUBµÄmenu.lstд´íµÄʱºò£¬»òÕß¶ªµôÁËmenu.lstµÄʱ£¬±ÈÈçÔÚ¿ª»úµÄʱºò£¬GRUB»á³öÏÖgrub>ÀàËÆµÄÃüÁîÌáʾ·û£¬ÕâʱÐèÒªÎÒÃÇÓÃÃüÁîÐÐÆô¶¯ÏµÍ³£»µ±È»Äú¿ÉÒÔ²»Óö¨ÒåGRUBµÄ²Ëµ¥ £¬Ö±½ÓÓÃÃüÁîÐÐÀ´Æô¶¯ÏµÍ³£¬±ÈÈçÎÒÏÖÔÚ¾ÍÊÇ£¬ÎªÁËдGRUBµÄÎĵµ£¬¾Í°Ñmenu.lst ɾ³ýÁË£¬Ö±½ÓÓÃÃüÁîÀ´Æô¶¯ÏµÍ³£»


2¡¢ÓÃÃüÁîÐÐÀ´Òýµ¼Linux²Ù×÷ϵͳµÄ²½Ö裻



ͨ¹ýÃüÁîÐÐÀ´Òýµ¼²Ù×÷ϵͳµÄÁ÷³Ì£¬Ò²Ã»ÓÐʲôÄѵģ»ÎÞ·ÇÊǰÑÖ¸ÁîÊÖ¹¤ÊäÈëµ½grub>Ìáʾ·ûµÄºóÃæ£»ÔÚÕâ¸ö¹ý³ÌÖУ¬tab¼üµÄÃüÁî²¹Æë¹¦ÄܾÍÏԵúÜÖØÒªÁË¡£Èç¹ûÄú²»ÖªµÀÓÐÄÄЩÃüÁ¿ÉÒÔÊäÈëhelp£»



1£©½øÈëGRUBµÄÃüÁîÐÐģʽ grub>


Èç¹û¿ª»úʱ£¬GRUB³öÏÖµÄÊÇgrub>£¬ËµÃ÷ÄãûÓÐ/etc/grub/menu.lst £¬ÄúÐèÒª×Ô¼ºÐ´Ò»¸ö²Å»áGRUBµÄ²Ëµ¥£¬ÈÃÎÒÃÇÀ´Ñ¡Ôñ½øÈëÄĸöϵͳ¡£Èç¹ûÓÐGRUBµÄ²Ëµ¥£¬Äú¿ÉÒÔ°´Ctrl+c×éºÏ¼ü½øÈëGRUBµÄÃüÁîÐÐģʽ£¬»á³öÏÖgrub> Ìáʾ·û£»



grub>



2£©»ñÈ¡°ïÖúGRUBµÄ help



Ö»ÒªÄúÔÚgrub>Ìáʾ·ûµÄºóÃæÊäÈëhelp ¾ÍÄܵõ½GRUBËùÓеÄÃüÁîÌáʾ£»



ÒýÓÃ:
grub> help

blocklist FILE boot

cat FILE chainloader [--force] FILE

clear color NORMAL [HIGHLIGHT]

configfile FILE device DRIVE DEVICE

displayapm displaymem

find FILENAME geometry DRIVE [CYLINDER HEAD SECTOR [

halt [--no-apm] help [--all] [PATTERN ...]

hide PARTITION initrd FILE [ARG ...]

kernel [--no-mem-option] [--type=TYPE] makeactive

map TO_DRIVE FROM_DRIVE md5crypt

module FILE [ARG ...] modulenounzip FILE [ARG ...]

pager [FLAG] partnew PART TYPE START LEN

parttype PART TYPE quit

reboot root [DEVICE [HDBIAS]]

rootnoverify [DEVICE [HDBIAS]] serial [--unit=UNIT] [--port=PORT] [--

setkey [TO_KEY FROM_KEY] setup [--prefix=DIR] [--stage2=STAGE2_

terminal [--dumb] [--no-echo] [--no-ed terminfo [--name=NAME --cursor-address

testvbe MODE unhide PARTITION

uppermem KBYTES vbeprobe [MODE]



Èç¹ûÐèÒªµÃµ½Ä³¸öÖ¸ÁîµÄ°ïÖú£¬¾ÍÔÚ help ºóÃæ¿ÕÒ»¸ñ£¬È»ºóÊäÈëÖ¸Á±ÈÈ磻



grub>help kernel



3£©catµÄÓ÷¨£»



catÖ¸ÁîÊÇÓÃÀ´²é¿´ÎļþÄÚÈݵģ¬ÓÐʱÎÒÃDz»ÖªµÀLinuxµÄ/boot·ÖÇø£¬ÒÔ¼°/¸ù·ÖÇøËùÔÚµÄλÖã¬Òª²é¿´/etc/fstabµÄÄÚÈÝÀ´µÃÖª£¬Õâʱ£¬ÎÒÃǾÍÒªÓõ½cat (hd[0-n],y)/etc/fstab À´»ñµÃÕâЩÄÚÈÝ£»×¢ÒâҪѧ»áÓÃtab¼üÃüÁî²¹ÆëµÄ¹¦ÄÜ£»



ÒýÓÃ:
grub> cat ( °´tab ¼ü»á³öÀ´hd0»òhd1Ö®ÀàµÄ£»

grub> cat (hd0, ×¢£ºÊäÈëhd0,È»ºóÔÙ°´tab¼ü£»»á³öÀ´·ÖÇøÖ®ÀàµÄ£»

grub> cat (hd0,6)

Possible partitions are:

Partition num: 0, Filesystem type unknown, partition type 0x7

Partition num: 4, Filesystem type is fat, partition type 0xb

Partition num: 5, Filesystem type is reiserfs, partition type 0x83

Partition num: 6, Filesystem type is ext2fs, partition type 0x83

Partition num: 7, Filesystem type unknown, partition type 0x83

Partition num: 8, Filesystem type is reiserfs, partition type 0x83

Partition num: 9, Filesystem type unknown, partition type 0x82

grub> cat (hd0,6)/etc/fstab ×¢£º±ÈÈçÎÒÏë²é¿´Ò»Ï (hd0,6)/etc/fstabµÄÄÚÈݾÍÕâÑùÊäÈ룻

LABEL=/ / ext3 defaults 1 1

/dev/devpts /dev/pts devpts gid=5,mode=620 0 0

/dev/shm /dev/shm tmpfs defaults 0 0

/dev/proc /proc proc defaults 0 0

/dev/sys /sys sysfs defaults 0 0

LABEL=SWAP-hda1 swap swap defaults 0 0

/dev/hdc /media/cdrecorder auto pamconsole,exec,noauto,

managed 0 0



ÓеĵÜÐÖ¿ÉÄÜ»á˵£¬ÎÒ²»ÖªµÀLinux°²×°ÔÚÁËÄĸö·ÖÇø¡£ÄǸù¾ÝÎļþϵͳÀ´ÅжÏÒ»¸öÒ»¸öµÄ³¢ÊÔ×Ü¿ÉÒÔ°ÉÎÒ£»Ö»ÒªÄÜcat³ö/etc/fstab¾ÍÄÜΪÒÔºóÒýµ¼´øÀ´·½±ã£»


Ö÷Òª²é¿´/etc/fstabÖеÄÄÚÈÝ£¬Ö÷ÒªÊÇLinuxµÄ/·ÖÇø¼°/bootÊÇ·ñÊǶÀÁ¢µÄ·ÖÇø£»Èç¹ûûÓÐ/bootÀàËÆµÄÐУ¬Ö¤Ã÷/bootºÍLinuxµÄ/´¦ÓÚͬһ¸öÓ²ÅÌ·ÖÇø£»±ÈÈçÉÏÃæµÄÀý×ÓÖÐLABEL=/ ÕâÐÐÊǼ«ÎªÖØÒªµÄ£»ËµÃ÷Linuxϵͳ¾Í°²ÔÚ±êǩΪLABEL=/µÄ·ÖÇøÖУ»


Èç¹ûÄúµÄLinuxϵͳ/bootºÍ/ûÓÐλÓÚͬһ¸ö·ÖÇø£¬¿ÉÄÜcat (hd[a-n],y) ²éµ½µÄÊÇÀàËÆÏÂÃæµÄ£»



LABEL=/ / ext3 defaults 1 1

LABEL=/boot /boot ext3 defaults 1 2



4£© root (hd[0-n,y) Ö¸ÁîÀ´Ö¸¶¨/bootËùÔڵķÖÇø£»



ÆäʵÕâ¸öroot (hd[0,n],y)ÊÇ¿ÉÒÔÊ¡ÂԵģ¬Èç¹ûÊ¡ÂÔÁË£¬ÎÒÃÇÒªÔÚkerenl ÃüÁîÖÐÖ¸¶¨£»ÎÒÃÇÇ°ÃæÒѾ­Ëµ¹ý (hd[0-n],y) Ó²ÅÌ·ÖÇøµÄ±íʾ·½·¨µÄÓÃ;£»Ö÷ÒªÊÇÓÃÀ´Ö¸¶¨ /bootËùÔڵķÖÇø£»


±ÈÈçÎÒÃÇÈ·ÈÏ/bootºÍ (hd0,6)£¬ËùÒԾͿÉÒÔÕâÑùÀ´ÊäÈëroot (hd0,6)



grub> root (hd0,6)


Èç¹û·¢ÏÖ²»¶Ô£¬¿ÉÒÔÖØÐÂÀ´¹ý£»Ã»ÓÐʲô´ó²»Á˵ģ»



5£© kernel Ö¸ÁÓÃÀ´Ö¸¶¨LinuxµÄÄںˣ¬¼°/ËùÔڵķÖÇø£»



kernel Õâ¸öÖ¸Áî¿ÉÄܳõѧÕßÓеãÅ£¬²»ÖªµÀÄÚºËÔÚÄĸö·ÖÇø£¬¼°ÄÚºËÎļþÃûµÄÈ«³ÆÊÇʲô¡£²»ÒªÍü¼Çtab¼üµÄÃüÁî²¹ÆëµÄÓ¦Óã»


Èç¹ûÎÒÃÇÒѾ­Í¨¹ýroot (hd[0-n],y) Ö¸¶¨ÁË/bootËùÔڵķÖÇø£¬Óï·¨ÓÐÁ½¸ö£º


Èç¹û/bootºÍLinuxµÄ/λÓÚͬһ¸ö·ÖÇø£¬Ó¦¸ÃÊÇÏÂÃæµÄÒ»ÖÖ¸ñʽ£»


kernel /boot/vmlinuzÔÚÕâÀï°´tab¼üÀ´²¹Æë£¬¾Í¿´µ½ÄÚºËÈ«³ÆÁË ro root=/dev/hd[a-z]X


Èç¹û/bootÓÐ×Ô¼º¶ÀÁ¢µÄ·ÖÇø£¬Ó¦¸ÃÊÇ£»


kernel /vmlinuzÔÚÕâÀï°´tab¼üÀ´²¹Æë£¬¾Í¿´µ½ÄÚºËÈ«³ÆÁË ro root=/dev/hd[a-z]X



ÔÚÕâÀï root=/dev/hd[a-z]X ÊÇLinux µÄ/¸ùËùλÓڵķÖÇø£¬Èç¹û²»ÖªµÀÊÇÄĸö·ÖÇø£¬¾ÍÓÃtab³öÀ´µÄÀ´¼ÆË㣬һ¸öÒ»¸öµÄ³¢ÊÔ£»»òÓÃcat (hd[0-n],y)/etc/fstab Öеõ½LinuxµÄ/ËùÔڵķÖÇø»ò·ÖÇøµÄ±êÇ©£»



ÒýÓÃ:
grub> kernel /boot/ÔÚÕâÀï°´tab¼ü£»ÕâÑù¾ÍÁгö/bootÖеÄÎļþÁË£»

Possible files are: grub initrd-2.6.11-1.1369_FC4.img System.map-2.6.11-1.1369

_FC4 config-2.6.11-1.1369_FC4 vmlinuz-2.6.11-1.1369_FC4 grubBAK memtest86+-1.55

.1 xen-syms xen.gz

grub> kernel /boot/vmlinuz-2.6.11-1.1369_FC4 ro root=LABEL=/

[Linux-bzImage, setup=0x1e00, size=0x18e473]



×¢½â£º root=LABEL=/ ÊÇLinuxµÄ/ËùÔڵķÖÇøµÄÎļþϵͳµÄ±êÇ©£»Èç¹ûÄúÖªµÀLinuxµÄ/ÔÚÄĸö¾ßÌåµÄ·ÖÇø£¬ÓÃroot=/dev/hd[a-z]XÀ´Ö¸¶¨Ò²ÐС£±ÈÈçÏÂÃæµÄÒ»ÐÐÒ²ÊÇ¿ÉÒԵģ»



grub> kernel /boot/vmlinuz-2.6.11-1.1369_FC4 ro root=/dev/hda7


Ò²¿ÉÒÔ°Ñ/bootËùÔڵķÖÇøµÄÖ¸¶¨ root (hd[0-n],y)ÕâÐÐÊ¡µô£¬Ö±½ÓÔÚkernel ÖÐÖ¸¶¨/bootËùÔڵķÖÇø£»ËùÒÔ¾ÍÔÚÏÂÃæµÄÓï·¨£»


Èç¹ûÊÇ/bootºÍLinuxµÄ¸ùͬ´¦Ò»¸ö·ÖÇø£»



kernel (hd[0-n],y)/boot/vmlinuz ro root=/dev/hd[a-z]X


±ÈÈ磺



grub>kernel


Èç¹ûÊÇ/bootºÍLinuxËùÔڵĸù²»ÔÚÒ»¸ö·ÖÇø£»ÔòÊÇ£»



kernel (hd[0-n],y)/vmlinuz ro root=/dev/hd[a-z]X



grub> kernel (hd0,6)/boot/vmlinuz-2.6.11-1.1369_FC4 ro root=/dev/hda7

[Linux-bzImage, setup=0x1e00, size=0x18e473]


»òÏÂÃæµÄÊäÈ룬ÒÔcat ³ö/etc/fstabÄÚÈÝΪ׼£»



grub> kernel (hd0,6)/boot/vmlinuz-2.6.11-1.1369_FC4 ro root=LABEL=/

[Linux-bzImage, setup=0x1e00, size=0x18e473]



6£©initrd ÃüÁîÐÐÀ´Ö¸¶¨initrdÎļþ£»




grub> initrd /boot/initrdÔÚÕâÀïtab À´²¹Æë£»

grub> initrd /boot/initrd-2.6.11-1.1369_FC4.img

[Linux-initrd @ 0x2e1000, 0x10e685 bytes]


Èç¹û/bootÊǶÀÁ¢µÄÒ»¸ö·ÖÇø£¬Ó¦¸ÃÊÇÈçÏÂÑù×ÓµÄÓï·¨£»±ÈÈçÏÂÃæµÄ£»



grub> initrd /initrdÔÚÕâÀïtab À´²¹Æë£»

grub> initrd /initrd-2.6.11-1.1369_FC4.img

[Linux-initrd @ 0x2e1000, 0x10e685 bytes]



7£©boot Òýµ¼ÏµÍ³£»




grub>boot


Ç°ÃæµÄ¼¸¸ö²½Ö趼ŪºÃ ¡£¾Í½øÈëÒýµ¼£»³¢ÊÔһϾÍÖªµÀÁË¡£¡£


8£©Òýµ¼LinuxϵͳʵÀýÈ«³Ì»Ø·Å£»



ʵÀý£º/bootºÍLinuxµÄ/´¦ÓÚͬһ¸öÓ²ÅÌ·ÖÇø£»



ÒýÓÃ:
grub> cat (hd0,6)/etc/fstab

# This file is edited by fstab-sync - see 'man fstab-sync' for details

LABEL=/ / ext3 defaults 1 1

/dev/devpts /dev/pts devpts gid=5,mode=620 0 0

/dev/shm /dev/shm tmpfs defaults 0 0

/dev/proc /proc proc defaults 0 0

/dev/sys /sys sysfs defaults 0 0

LABEL=SWAP-hda1 swap swap defaults 0 0

/dev/hdc /media/cdrecorder auto pamconsole,exec,noauto,managed 0 0

grub> root (hd0,6)

Filesystem type is ext2fs, partition type 0x83

grub> kernel /boot/ÔÚÕâÀï°´tab²¹Æë£¬È«Áгö/bootËùÓеÄÎļþ£»

Possible files are: grub initrd-2.6.11-1.1369_FC4.img System.map-2.6.11-1.1369_FC4 config-2.6.11-1.1369_FC4 vmlinuz-2.6.11-1.1369_FC4

memtest86+-1.55.1 xen-syms xen.gz

grub> kernel /boot/vmlinuz-2.6.11-1.1369_FC4 ro root=/dev/hda7 ×¢£ºÊäÈë

[Linux-bzImage, setup=0x1e00, size=0x18e473]

grub> initrd /boot/ÔÚÕâÀï°´tab²¹Æë

Possible files are: grub initrd-2.6.11-1.1369_FC4.img System.map-2.6.11-1.1369_FC4 config-2.6.11-1.1369_FC4 vmlinuz-2.6.11-1.1369_FC4

memtest86+-1.55.1 xen-syms xen.gz

grub> initrd /boot/initrd-2.6.11-1.1369_FC4.img ×¢;ÊäÈëintrdÎļþÃûµÄÈ«Ãû£»

[Linux-initrd @ 0x2e1000, 0x10e685 bytes]

grub> boot



ÎÒÃÇÖ¸¶¨LinuxµÄ¸ùʱ£¬¿ÉÒÔÓÃcat³öÀ´µÄfstabµÄÄÚÈÝÖÐLinuxµÄ/·ÖÇøÎļþϵͳ±êÇ©À´Ìæ´ú£»Ò²¾ÍÊÇkernel ÄÇÐÐÖÐ root=/dev/hd[a-z]X£»



ÒýÓÃ:
grub> cat (hd0,6)/etc/fstab

# This file is edited by fstab-sync - see 'man fstab-sync' for details

LABEL=/ / ext3 defaults 1 1

/dev/devpts /dev/pts devpts gid=5,mode=620 0 0

/dev/shm /dev/shm tmpfs defaults 0 0

/dev/proc /proc proc defaults 0 0

/dev/sys /sys sysfs defaults 0 0

LABEL=SWAP-hda1 swap swap defaults 0 0

/dev/hdc /media/cdrecorder auto pamconsole,exec,noauto,managed 0 0

grub> root (hd0,6)

Filesystem type is ext2fs, partition type 0x83

grub> kernel /boot/ÔÚÕâÀï°´tab²¹Æë£¬È«Áгö/bootËùÓеÄÎļþ£»

Possible files are: grub initrd-2.6.11-1.1369_FC4.img System.map-2.6.11-1.1369_FC4 config-2.6.11-1.1369_FC4 vmlinuz-2.6.11-1.1369_FC4

memtest86+-1.55.1 xen-syms xen.gz

grub> kernel /boot/vmlinuz-2.6.11-1.1369_FC4 ro root=LABEL=/

[Linux-bzImage, setup=0x1e00, size=0x18e473]

grub> initrd /boot/ÔÚÕâÀï°´tab²¹Æë

Possible files are: grub initrd-2.6.11-1.1369_FC4.img System.map-2.6.11-1.1369_FC4 config-2.6.11-1.1369_FC4 vmlinuz-2.6.11-1.1369_FC4 grubBAK

memtest86+-1.55.1 xen-syms xen.gz

grub> initrd /boot/initrd-2.6.11-1.1369_FC4.img ×¢;ÊäÈëintrdÎļþÃûµÄÈ«Ãû£»

[Linux-initrd @ 0x2e1000, 0x10e685 bytes]

grub> boot



Èç¹ûÊÇ/bootºÍLinuxµÄ¸ù·ÖÇø²»ÔÚͬһ¸ö·ÖÇø£¬Òª°ÑkernelºÍinitrd Ö¸ÁîÖеÄ/bootÈ¥µô£¬Ò²¾ÍÊÇ/vmlinuzMMMMMM »ò /initrdNNNN


Ò²¿ÉÒÔ²»ÓÃroot (hd[0-n]À´Ö¸¶¨/bootËùÔÚ·ÖÇø£¬ÒªÔÚkernel ºÍinitrd ÖÐÖ¸¶¨£»±ÈÈçLinuxµÄ/¸ùËùλÓڵķÖÇøºÍ/bootËùλÓڵķÖÇø¶¼ÊÇ(hd0,6)£¬²¢ÇÒÎÒÃÇcat³öÀ´µÄ/etc/fstabÊÇLinuxµÄ/¸ù·ÖÇøµÄÎļþϵͳµÄ±êǩΪLABEL=/£¬Òýµ¼²Ù×÷ϵͳµÄÀý×ÓÈçÏ£»



ÒýÓÃ:
grub>kernel (hd0,6)/boot/vmlinuz-2.6.11-1.1369_FC4 ro root=LABEL=/

grub>initrd (hd0,6)/boot/initrd-2.6.11-1.1369_FC4.img

grub>boot



»ò



ÒýÓÃ:
grub>kernel (hd0,6)/boot/vmlinuz-2.6.11-1.1369_FC4 ro root=/dev/hda7

grub>initrd (hd0,6)/boot/initrd-2.6.11-1.1369_FC4.img

grub>boot



Èç¹û/bootλÓÚ /dev/hda6£¬Ò²¾ÍÊÇ(hd0,5)£¬LinuxµÄ¸ù/λÓÚ·ÖÇø/dev/hda7£¬²¢ÇÒÎÒÃÇcat ³öÀ´µÄ/etc/fstab ÖÐ/·ÖÇøµÄ±êǩΪ LABEL=/¡£ÏÂÃæµÄÁ½ÖÖ·½·¨¶¼¿ÉÒÔÒýµ¼£»



ÒýÓÃ:
grub>kernel (hd0,5)/vmlinuz-2.6.11-1.1369_FC4 ro root=LABEL=/

grub>initrd (hd0,5)/initrd-2.6.11-1.1369_FC4.img

grub>boot



»ò



ÒýÓÃ:
grub>kernel (hd0,5)/vmlinuz-2.6.11-1.1369_FC4 ro root=/dev/hda7

grub>initrd (hd0,5)/initrd-2.6.11-1.1369_FC4.img

grub>boot


Áù¡¢Í¨¹ýGRUBÒýµ¼Windows²Ù×÷ϵͳ£»



1¡¢Í¨¹ý±à¼­ menu.lst À´Òýµ¼Windows ϵͳ£»



Èç¹ûÄúµÄWindowsËù´¦ÓڵķÖÇøÔÚ(hd0,0)£¬¿ÉÒÔÔÚmenu.lst ¼ÓÈçϵÄÒ»¶Î¾ÍÄÜÒýµ¼ÆðÀ´ÁË£»



title WinXp

rootnoverify (hd0,0)

chainloader +1


Èç¹ûÄúµÄ»úÆ÷ÓÐÁ½¿éÓ²ÅÌ£¬¶øWindows λÓÚµÚ¶þ¸öÓ²Å̵ĵÚÒ»¸ö·ÖÇø£¬Ò²¾ÍÊÇ(hd1,0)


Äú¿ÉÒÔÓÃgrubµÄmapÀ´Ö¸ÁîÀ´²Ù×÷°ÑÁ½¿éÓ²Å̵ÄÐòÁжԵ÷£¬ÕâÑù¾Í²»ÓÃÔÚBIOSÖÐÉèÖÃÁË£»ÔÚmenu.lstÖмÓÈçϵÄÄÚÈÝ£¬±ÈÈçÏÂÃæµÄ£»



title WinXp

map (hd0) (hd1)

map (hd1) (hd0)

rootnoverify (hd0,0)

chainloader +1

makeactive


Èç¹ûWindowsµÄ·ÖÇø²»Î»ÓÚÓ²Å̵ĵÚÒ»¸ö·ÖÇøÔõô°ìÄØ£¿±ÈÈçÔÚ(hd0,2)£»


Õâ¸öÒ²ºÃ°ì°É£¬°Ñrootnoverify ÕâÐеÄ(hd0,0)¸ÄΪ (hd0,2)



title WinXp

rootnoverify (hd0,2)

chainloader +1

makeactive


Èç¹ûWindowsµÄÔÚµÚ¶þ¸öÓ²Å̵Äij¸ö·ÖÇø£¬±ÈÈç˵ÊÇλÓÚ(hd1,2)£¬ÔòÒªÓõ½mapÖ¸Á



title WinXp

map (hd0) (hd1)

map (hd1) (hd0)

rootnoverify (hd1,2)

chainloader +1

makeactive


Èç¹ûÓжà¸öWindows ϵͳ£¬Ôõô²ÅÄÜÒýµ¼³öÀ´ÄØ£¿Ó¦¸ÃÓÃhide ºÍunhideÖ¸Áî²Ù×÷£»±ÈÈçÎÒÃǰ²×°ÁËÁ½¸öWindows £¬Ò»¸öÊÇλÓÚ(hd0,0)µÄwindows 98 £¬ÁíÒ»¸öÊǰ²×°µÄÊÇλÓÚ(hd0,1)µÄWindowsXP£»ÕâʱÎÒÃǾÍÒªÓõ½hideÖ¸ÁîÁË£»



title Win98

unhide (hd0,0)

hide (hd0,1)

rootnoverify (hd0,0)

chainloader +1

makeactive

title WinXP

unhide (hd0,1)

hide (hd0,0)

rootnoverify (hd0,1)

chainloader +1

makeactive



2¡¢Í¨¹ýGRUBÖ¸ÁîÀ´Òýµ¼Windows £»



ÆäʵÎÒÃÇ»áдmenu.lstÁË£¬ÔÚmenu.lstÖеijýÁËtitleÍ⣬¶¼ÊÇÒ»ÌõÌõÖ¸ÁÈç¹ûÎÒÃÇÆô¶¯Windows £¬Ö»ÊÇÊäÈëÖ¸Áî¾ÍÐÐÁË£»


±ÈÈç WindowsµÄ·ÖÇøÔÚ (hd0,0)£¬ÎÒÃÇÔÚ¿ª»úºó£¬°´ctrl+c £¬½øÈëGRUBµÄÃüÁîģʽ£»¾Í¿ÉÒÔÓÃÏÂÃæµÄ



grub> rootnoverify (hd0,0)

grub> chainloader +1

grub> boot


ÆäËüͬÀí... ...

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Æä´Î£ºÒªÖ´ÐÐgrub £¬È»ºóͨ¹ý root (hd[0-n],y)À´Ö¸¶¨/bootËùλÓڵķÖÇø£¬È»ºó½Ó×ÅÖ´ÐÐ setup (hd0)£¬ÕâÑù¾ÍдÈëMBRÁË£¬±ÈÈçÏÂÃæµÄÀý×Ó£»



grub>root (hd0,6)

grub>setup (hd0)

grub>quit


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´æÔÚµÄÎÊÌâ¿ÉÄÜÊÇ/boot/grub/menu.lst¶ªÊ§£¬Òª×Ô¼ºÐ´Ò»¸ö²ÅÐУ»Äú¿ÉÒÔÓÃÃüÁîÐÐÀ´Æô¶¯ÏµÍ³£¬½øÈëϵͳºóдһдmenu.lst¾ÍOKÁË¡£Ç°ÃæÒѾ­Ì¸¹ýÁË£»


дºÃºó»¹Òª½¨Ò»¸ögrub.confµÄÁ´½Ó£¬ÈçÏ£º



[root@localhost ~]# cd /boot/grub

[root@localhost grub]# ln -s menu.lst grub.conf



°Ë¡¢¹ØÓÚGRUBµÄδ¾¡ÊÂÒË£»



GRUBÓкܶàÄÚÈÝ£¬±ÈÈç¶ÔBSDµÄÒýµ¼£¬»¹ÓÐһЩÆäËüÖ¸ÁîµÄÓ÷¨£¬ÎÒ²¢Ã»ÓÐÔÚ±¾ÎÄÌáµ½£»Ö÷ÒªÎÒĿǰ»¹Î´Óõ½£¬Èç¹ûÄúÐèÒªÁ˽â¸ü¶à£¬Çë²é¿´ ¡¶GNU GRUB ÊÖ²áºÍFAQ¡·



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  1. meaimehome ÓÚ 2007-09-11 22:14:49·¢±í:

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  2. Ä̲èdsk ÓÚ 2007-09-07 14:50:04·¢±í:

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  3. magcake ÓÚ 2006-07-26 13:10:02·¢±í:

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  4. linux ÓÚ 2006-07-25 20:32:29·¢±í:

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  5. yo ÓÚ 2006-07-25 15:50:27·¢±í:

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