Howto Reset root passwd

Follow these steps to reset the password when using GRUB:

  • Reboot the system, at the selection prompt, highlight the line for Linux and press ‘e’. You may only have 2 seconds to do this, so be quick.
  • This will take you to another screen where you should select the entry that begins with ‘kernel’ and press ‘e’ again.
  • Append single to the end of that line. Make sure that there is a space between what’s there and ‘single’. If your system requires you to enter your root password to log into single-user mode, then append init=/bin/bash after ‘single’. Hit ‘Enter’ to save the changes.
  • Press ‘b’ to boot into Single User Mode.
  • Once the system finishes booting, you will be logged in as root. Use passwd command and choose a new password for root.
  • Type reboot to reboot the system, and you can login with the new password.
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