拿一张ubuntu启动光盘，然后用liveCD体验模式启动。接着在中端里运行sudo sugedit /boot/grub/menu.lst弹出来的编辑器里输入# menu.lst - See: grub(8), info grub, update-grub(8)#
grub-install(8), grub-floppy(8),#
grub-md5-crypt, /usr/share/doc/grub#
and /usr/share/doc/grub-doc/.## default num# Set the default entry to the entry number NUM. Numbering starts from 0, and# the entry number 0 is the default if the command is not used.## You can specify 'saved' instead of a number. In this case, the default entry# is the entry saved with the command 'savedefault'.# WARNING: If you are using dmraid do not use 'savedefault' or your# array will desync and will not let you boot your system.default0## timeout sec# Set a timeout, in SEC seconds, before automatically booting the default entry# (normally the first entry defined).timeout3## hiddenmenu# Hides the menu by default (press ESC to see the menu)hiddenmenu# Pretty colours#color cyan/blue white/blue## password ['--md5'] passwd# If used in the first section of a menu file, disable all interactive editing# control (menu entry editor and command-line)and entries protected by the# command 'lock'# e.g. password topsecret#
password --md5 $1$gLhU0/$aW78kHK1QfV3P2b2znUoe/# password topsecret## examples## titleWindows 95/98/NT/2000# root(hd0,0)# makeactive# chainloader +1## titleLinux# root(hd0,1)# kernel /vmlinuz root=/dev/hda2 ro### Put static boot stanzas before and/or after AUTOMAGIC KERNEL LIST### BEGIN AUTOMAGIC KERNELS LIST## lines between the AUTOMAGIC KERNELS LIST markers will be modified## by the debian update-grub script except for the default options below## DO NOT UNCOMMENT THEM, Just edit them to your needs## ## Start Default Options #### default kernel options## default kernel options for automagic boot options## If you want special options for specific kernels use kopt_x_y_z## where x.y.z is kernel version. Minor versions can be omitted.## e.g. kopt=root=/dev/hda1 ro##
kopt_2_6_8=root=/dev/hdc1 ro##
kopt_2_6_8_2_686=root=/dev/hdc2 ro# kopt=root=UUID=7a465626-bc5c-4708-800a-0c46566ba637 ro## default grub root device## e.g. groot=(hd0,0)# groot=32737d24-6f4f-4caf-b586-cd3b46535796## should update-grub create alternative automagic boot options## e.g. alternative=true##
alternative=false# alternative=true## should update-grub lock alternative automagic boot options## e.g. lockalternative=true##
lockalternative=false# lockalternative=false## additional options to use with the default boot option, but not with the## alternatives## e.g. defoptions=vga=791 resume=/dev/hda5# defoptions=quiet splash## should update-grub lock old automagic boot options## e.g. lockold=false##
lockold=true# lockold=false## Xen hypervisor options to use with the default Xen boot option# xenhopt=## Xen Linux kernel options to use with the default Xen boot option# xenkopt=console=tty0## altoption boot targets option## multiple altoptions lines are allowed## e.g. altoptions=(extra menu suffix) extra boot options##
altoptions=(recovery) single# altoptions=(recovery mode) single## controls how many kernels should be put into the menu.lst## only counts the first occurence of a kernel, not the## alternative kernel options## e.g. howmany=all##
howmany=7# howmany=all## specify if running in Xen domU or have grub detect automatically## update-grub will ignore non-xen kernels when running in domU and vice versa## e.g. indomU=detect##
indomU=true##
indomU=false# indomU=detect## should update-grub create memtest86 boot option## e.g. memtest86=true##
memtest86=false# memtest86=true## should update-grub adjust the value of the default booted system## can be true or false# updatedefaultentry=false## should update-grub add savedefault to the default options## can be true or false# savedefault=false## ## End Default Options ##titleUbuntu 9.04, kernel 2.6.28-15-genericuuid32737d24-6f4f-4caf-b586-cd3b46535796kernel/vmlinuz-2.6.28-15-generic root=UUID=7a465626-bc5c-4708-800a-0c46566ba637 ro quiet splash initrd/initrd.img-2.6.28-15-genericquiettitleUbuntu 9.04, kernel 2.6.28-15-generic (recovery mode)uuid32737d24-6f4f-4caf-b586-cd3b46535796kernel/vmlinuz-2.6.28-15-generic root=UUID=7a465626-bc5c-4708-800a-0c46566ba637 rosingleinitrd/initrd.img-2.6.28-15-generictitleUbuntu 9.04, kernel 2.6.28-11-genericuuid32737d24-6f4f-4caf-b586-cd3b46535796kernel/vmlinuz-2.6.28-11-generic root=UUID=7a465626-bc5c-4708-800a-0c46566ba637 ro quiet splash initrd/initrd.img-2.6.28-11-genericquiettitleUbuntu 9.04, kernel 2.6.28-11-generic (recovery mode)uuid32737d24-6f4f-4caf-b586-cd3b46535796kernel/vmlinuz-2.6.28-11-generic root=UUID=7a465626-bc5c-4708-800a-0c46566ba637 rosingleinitrd/initrd.img-2.6.28-11-generictitleUbuntu 9.04, memtest86+uuid32737d24-6f4f-4caf-b586-cd3b46535796kernel/memtest86+.binquiet### END DEBIAN AUTOMAGIC KERNELS LIST保存，重启，就可以启动到ubuntu下了！
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