Re: [PLUG] Ubuntu root password

On Wed, Jun 22, 2011 at 8:44 PM, Bob Schwier <schwepes2002@yahoo.com> wrote:

Thanks.
bs
--- On Wed, 6/22/11, Rich Freeman <r-plug@thefreemanclan.net> wrote:

> From: Rich Freeman <r-plug@thefreemanclan.net>

> Subject: Re: [PLUG] Ubuntu root password
> To: "Philadelphia Linux User's Group Discussion List" <plug@lists.phillylinux.org>

> Date: Wednesday, June 22, 2011, 8:41 PM

> On Wed, Jun 22, 2011 at 8:13 PM, Bob
> Schwier <schwepes2002@yahoo.com>
> wrote:
> > The problem comes when you have to repair a flawed
> installation.
> > Having the disk does not help as the disk does not
> seem to let
> > you log in to save data.
> > It does not recognize the original password even if
> that is what
> > you are using with the re-installation.
>
> You could just boot from a rescue CD or Live CD of some
> sort, and then
> mount the hard drive. Repairs can get tricky
> depending on what is
> wrong, but resetting a password on a working install is
> easy:
>
> 1. Get a root shell on the rescue CD (if you aren't
> root then usually
> sudo /bin/bash will get you a root shell).
> 2. mount /dev/sda1 /mnt (substitute appropriate
> device and mountpoint)
> 3. chroot /mnt /bin/bash
> You are now in a root shell on your hard drive install.
> 4. passwd
> Enter your new password - it should set the root password
> accordingly.
>
> I know the Gentoo live CDs should work for this purpose,
> although
> there are better liveCD distros if you're looking for
> something that
> is either more functional (think knoppix/etc), or
> rescue-focused (not
> sure what is best these days).
>
> Rich
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