Grub - Passwort zurücksetzen

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Use Knoppix cd (or any other small live linux distri)

boot: linux single


Remove the password from Grub configuration file

You need to mount a partition where you grub configuration file is stored. Depend upon your Linux distribution the location of Grub configuration file changes. Following list summaries Grub configuration file location for pouplar distros:

  • Debian Linux Grub configuration file location: /boot/grub/menu.lst
  • Suse Linux Grub configuration file location: /etc/grub.conf
  • Red Hat/Fedora Linux Grub configuration file location: /boot/grub/grub.conf


If you forgot partition name use the fdisk -l command to obtained partition list / names:
# fdisk -l


Finally, you need to mount your partition as follows:
# mount /dev/sdb1 /mnt


Open Grub configuration file in editor and remove a line like this:
password --md5 $1$9sdflksdf/sdf44k