Linux Centos ver 5.6 -- Lost Root Password

sambec22
sambec22 used Ask the Experts™
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Does anyone know how to recover the root password?  The last Admin left the company and will not give us the root password.
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Commented:
reboot into single user mode and use the passwd command

Commented:
on boot, in grub screen, hit "e", and edit kernel command line, add "init=/bin/bash", then boot
after boot, you will automatically enter in root permissions.
Commented:
Hi sambec22,

Here are the steps.

Boot your system.
Select the kernel
Press the e key to edit the entry
Select second line (the line starting with the word kernel)
Press the e key to edit kernel entry so that you can append single user mode
Append the letter S (or word Single) to the end of the (kernel) line
Press ENTER key
Now press the b key to boot the Linux kernel into single user mode
At prompt type passwd command to reset password:


I have answered the same issue here:
http://www.experts-exchange.com/OS/Linux/Distributions/Q_27083030.html

Regards,
Umesh Panwar

Commented:
If your grub configuration is password protected the mentioned commands to change to grub boot menu might not work.
In that case you an always boot using another boot CD of a Linux-Live-Distribution or Linux-Recovery-CD and then edit /etc/passwd or /etc/shadow by hand.

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