P.S. sudo вроде без надобности.

cp /boot/grub/menu.lst.old /boot/grub/menu.lst

mv /boot/grub/menu.lst /boot/grub/menu.lst.old && grep -vP '#|^$' /boot/grub/menu.lst.old > /boot/grub/menu.lst

А потом уже показывай конфиг

## 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. default saved

## timeout sec # Set a timeout, in SEC seconds, before automatically booting the default entry # (normally the first entry defined). timeout 10

## 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 # # title Windows 95/98/NT/2000 # root (hd0,0) # makeactive # chainloader +1 # # title Linux # 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=70cfa472-dd69-4dde-9750-d9bc1d1b3902 ro

## default grub root device ## e.g. groot=(hd0,0) # groot=70cfa472-dd69-4dde-9750-d9bc1d1b3902

## 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=(single-user) 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

## 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 ##

title Debian GNU/Linux, kernel 2.6.28-13-generic root 70cfa472-dd69-4dde-9750-d9bc1d1b3902 kernel /boot/vmlinuz-2.6.28-13-generic root=UUID=70cfa472-dd69-4dde-9750-d9bc1d1b3902 ro quiet splash initrd /boot/initrd.img-2.6.28-13-generic

title Debian GNU/Linux, kernel 2.6.28-13-generic (recovery mode) root 70cfa472-dd69-4dde-9750-d9bc1d1b3902 kernel /boot/vmlinuz-2.6.28-13-generic root=UUID=70cfa472-dd69-4dde-9750-d9bc1d1b3902 ro single initrd /boot/initrd.img-2.6.28-13-generic

title Debian GNU/Linux, kernel memtest86+ root 70cfa472-dd69-4dde-9750-d9bc1d1b3902 kernel /boot/memtest86+.bin

### END DEBIAN AUTOMAGIC KERNELS LIST

# This is a divider, added to separate the menu items below from the Debian # ones. title Other operating systems: root

# This entry automatically added by the Debian installer for a non-linux OS # on /dev/sda1 title Windows NT/2000/XP (loader) rootnoverify (hd0,0)

Ты упоротый штоле? Сам груб тебе ничего не настроит, так что вим в руки и правь конфиг.

ubuntu@ubuntu:~$ sudo grub Probing devices to guess BIOS drives. This may take a long time.

[ Minimal BASH-like line editing is supported. For the first word, TAB lists possible command completions. Anywhere else TAB lists the possible completions of a device/filename. ] grub> find /boot/grub/stage2 find /boot/grub/stage2 (hd0,6) grub> root (hd0,6) root (hd0,6) grub> setup (hd0) setup (hd0) Checking if "/boot/grub/stage1" exists... yes Checking if "/boot/grub/stage2" exists... yes Checking if "/boot/grub/e2fs_stage1_5" exists... yes Running "embed /boot/grub/e2fs_stage1_5 (hd0)"... 17 sectors are embedded. succeeded Running "install /boot/grub/stage1 (hd0) (hd0)1+17 p (hd0,6)/boot/grub/stage2 /boot/grub/menu.lst"... failed

Error 12: Invalid device requested grub>

Гружусь, смотрю список партиций: fdisk -l, прикидываю на какой может находится /boot/grub/stage2, монтирую, смотрю так ли это, если так, то иду в груб. Там:

Вообще, телепатируй на каком этапе не проходит твой рецет, что за ошибка?

@топикстартер В следующий раз пиши в правильный раздел.

ты неправильно знаешь

man grub-install

s/h/s/

sudo grub-install /dev/sdx