Syed Jahanzaib Personnel Blog to Share Knowledge !

November 14, 2009

How to reset a root password!

Filed under: Linux Related — Syed Jahanzaib / Pinochio~:) @ 6:04 AM

Entering Recovery Mode

While you system is starting up, hold down the Ctrl key or Esc to see the boot loader menu. After you see the menu:

  • Use the arrows to select the boot entry you want to modify.
  • Press e to edit the entry.
  • Use the arrows to go to kernel line.
  • Press a or e to append this entry.
  • At the end of the line add the word single or the number 1.
  • Press Enter to accept the changes.
  • Press b to boot this kernel.

A series of text messages scrolls by and after a short time, a root prompt appears awaiting your commands (#).

As root, changing password does not ask for your old password. Run the command:

# passwd
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