Moderatori: cb_123, thrantir, netvandal, CaberNET54
marcosniper ha scritto:Ho trovato questo, spero ti possa aiutare!! Non conosco altri metodi più semplici!
Il primo metodo è una procedura molto semplice che, però, prevede l'utilizzo del terminale. Inoltre, fino ad ora, pare abbia sempre funzionato.
Avviare il Live Cd
Aprire un terminale da Applicazioni -> Accessori -> Terminale e avviare grub con privilegi di amministrazione:
sudo grub
Il passo successivo serve per determinare la propria partizione di boot. Se si è già a conoscenza di questo dato, è possibile saltare il passo.
Digitare
find /boot/grub/stage1
Verrà data una risposta del tipo hdX o (hdX,Y)
Digitare:
root (hdX,Y)
Digitare:
setup (hdX,Y)
Questo è il passaggio chiave. In alternativa è possibile digitare:
setup (hdX)
nel caso si voglia riscrivere GRUB nel MBR. Nel primo caso invece GRUB verrà riscritto nella partizione contenente Linux.
Digitare:
quit
Riavviare il sistema e rimuovere il Live CD.
# 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 change this entry to 'saved' or your
# array will desync and will not let you boot your system.
default 6
## 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=0585d9e9-10d4-4b98-b5c3-7a2693c0ff3a ro
## Setup crashdump menu entries
## e.g. crashdump=1
# crashdump=0
## default grub root device
## e.g. groot=(hd0,0)
# groot=(hd0,0)
## 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 locale=it_IT
## 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
## 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
## ## End Default Options ##
title Ubuntu, kernel 2.6.20-16-generic
root (hd0,0)
kernel /boot/vmlinuz-2.6.20-16-generic root=UUID=0585d9e9-10d4-4b98-b5c3-7a2693c0ff3a ro quiet splash locale=it_IT
initrd /boot/initrd.img-2.6.20-16-generic
quiet
savedefault
title Ubuntu, kernel 2.6.20-16-generic (recovery mode)
root (hd0,0)
kernel /boot/vmlinuz-2.6.20-16-generic root=UUID=0585d9e9-10d4-4b98-b5c3-7a2693c0ff3a ro single
initrd /boot/initrd.img-2.6.20-16-generic
title Ubuntu, kernel 2.6.20-15-generic
root (hd0,0)
kernel /boot/vmlinuz-2.6.20-15-generic root=UUID=0585d9e9-10d4-4b98-b5c3-7a2693c0ff3a ro quiet splash locale=it_IT
initrd /boot/initrd.img-2.6.20-15-generic
quiet
savedefault
title Ubuntu, kernel 2.6.20-15-generic (recovery mode)
root (hd0,0)
kernel /boot/vmlinuz-2.6.20-15-generic root=UUID=0585d9e9-10d4-4b98-b5c3-7a2693c0ff3a ro single
initrd /boot/initrd.img-2.6.20-15-generic
title Ubuntu, memtest86+
root (hd0,0)
kernel /boot/memtest86+.bin
quiet
### 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/sdb1
title Microsoft Windows XP Professional
root (hd2,0)
savedefault
makeactive
map (hd0) (hd2)
map (hd2) (hd0)
chainloader +1
(hd0) /dev/hda
(hd1) /dev/sda
(hd2) /dev/sdb
# /etc/fstab: static file system information.
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc defaults 0 0
# /dev/hda1
UUID=0585d9e9-10d4-4b98-b5c3-7a2693c0ff3a / ext3 defaults,errors=remount-ro 0 1
# /dev/hda8
UUID=e0ba29cb-e038-430c-8dbd-77f4291058db /home ext3 defaults 0 2
# /dev/hda5
UUID=76640F48640F0B17 /media/hda5 ntfs defaults,nls=utf8,umask=007,gid=46 0 1
# /dev/hda6
UUID=2EE629C0B500FBE6 /media/hda6 ntfs defaults,nls=utf8,umask=007,gid=46 0 1
# /dev/hda7
UUID=E18FDDAFB546869E /media/hda7 ntfs defaults,nls=utf8,umask=007,gid=46 0 1
# /dev/sda1
UUID=6F84-34D8 /media/sda1 vfat defaults,utf8,umask=007,gid=46 0 1
# /dev/sda5
UUID=81BC-A001 /media/sda5 vfat defaults,utf8,umask=007,gid=46 0 1
# /dev/sda6
UUID=C476A0F60F10E911 /media/sda6 ntfs defaults,nls=utf8,umask=007,gid=46 0 1
# /dev/sdb1
UUID=641077E21077BA1E /media/sdb1 ntfs defaults,nls=utf8,umask=007,gid=46 0 1
# /dev/sdb5
UUID=2ED8C216D8C1DBE9 /media/sdb5 ntfs defaults,nls=utf8,umask=007,gid=46 0 1
# /dev/sdb6
UUID=F444C5F444C5BA1E /media/sdb6 ntfs defaults,nls=utf8,umask=007,gid=46 0 1
# /dev/hda9
UUID=88c5cf88-f2ec-4652-a76d-a323481946a1 none swap sw 0 0
/dev/hdc /media/cdrom0 udf,iso9660 user,noauto 0 0
/dev/hdd /media/cdrom1 udf,iso9660 user,noauto 0 0
/dev/fd0 /media/floppy0 auto rw,user,noauto 0 0
Avviare il Live Cd
Aprire un terminale da Applicazioni -> Accessori -> Terminale e avviare grub con privilegi di amministrazione:
sudo grub
root (hd0,0) > corrisponde al tuo hda1 che è la partizione di root di kubuntu sul disco ide
setup (hd0) > qui gli dici di riscrivere l'MBR del disco hda ide primario
quit
Riavviare il sistema e rimuovere il Live CD.
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