Debian and grub2 password reset

  • In grub boot screen type “e” for edit, and search for line starting with linux – add “init=/bin/bash” at the end
    • linux /boot/vmlinuz-version root=UUID=hex ro quite init=/bin/bash
  • Press CTRL+X to boot and execute following:
    • mount -o remount,rw /
  • enter “passwd” to change root password (or passwd username)
  • execute “sync” and make reboot