root password

HowTo: Recovering Linux Grub Boot Loader Password

by Vivek Gite on February 20, 2006 · 8 comments

If you have, a password protected grub boot loader and you forgot both root and grub password, then you can recover grub-boot loader password using the following method/procedure:

* Use Knoppix cd
* Remove the password from Grub configuration file
* Reboot the system
* Change the root password
* Setup new Grub password if required (optional)

{ 8 comments }

Linux: Recovering deleted /etc/shadow password file

by Vivek Gite on December 21, 2005 · 20 comments

Sometime by accident you may delete /etc/shadow file. If you boot into single user mode, system will ask root password for maintenance, and just imagine you do not have a backup of /etc/shadow file. How do you fix such problem in a production environment where time is critical factor? I will explain how to recover [...]

{ 20 comments }