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Andries Filmer - Internet professional sinds 1996.
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Change root password for linux (grub) and administrator pass

Index
  1. Change MS Windows administrator password
  2. Reset password in linux
    1. Ubuntu 9.04 (Koala)
    2. Ubuntu (Lucid Lynx)
    3. Comments

Change passwords in MS Windows and Linux

Change MS Windows administrator password

Whatever your reason for changing any users password, this simple howto will surely satisfy that need. The only way to prevent this currently is with full disk encryption. Here is how you change windows password within Ubuntu.

You can either use your livecd or hdd

 sudo apt-get install chntpw

Now its installed, so lets get to work…

Ok I am assuming your using a hardy heron livecd or a Ubuntu Hardy Heron full install. You will now need to mount the windows partition read/write permission then navigate to %systemroot%/system32/config Once your located in the config directory issue this command to change the password

 chntpw -u administrator SAM

Prompt for password for ‘administrator’, if found (otherwise do nothing) use * to blank

Now reboot and login to winblows

Optionally you can skip resetting the password and just install Ubuntu ;)

Source: http://ubuntu-unleashed.com/

Reset password in linux

Reboot the server

Ubuntu 9.04 (Koala)

During the startup hold the esc key, you will see grub-boot loader screen. Select Recovery mode the version. Select the line that prompt you to command line.
 passwd root

That's it.

Ubuntu (Lucid Lynx)

During the startup hold the left-shift key, you will see grub-boot loader screen.

This page is created on 2009-07-08 and updated on 2010-06-25

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