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Reseting root password Was: user name from security logs

from [Alexander Klimov] Network Security

[Permanent Link]

Subject:	Reseting root password Was: user name from security logs
Date:	Tue, 31 May 2005 11:33:07 +0300 (IDT)

On Sun, 29 May 2005, Emmanuel Goldstein wrote:

I have physical access to the computer and i can also access all hd's
files using a LiveCD linux distribution.

So, here's my question:  Is there anyway to change the admin password
and/or get the machine's control back?


Boot a LiveCD, mount the root partition:

mkdir /tmp/a; mount /dev/hda1 /tmp/a

chroot to it:

chroot /tmp/a

and change the password:

passwd

Depending of authentication method used you can do it more directly,
e.g., changing a line in /etc/shadow:

root:password-hash:....

to

root::....

-- 
Regards,
ASK

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