you forgot chroot. might also need to do ldconfig -v to make sure the path
to shared libraries is correct (but i don't think so).

you used to be able to clear out the field in the shadow file or clear out
the x (iirc) in passwd, but i think default pam will stop you from doing
this :)

On Wed, Aug 10, 2011 at 11:25, abdelkader belahcene <abelahc...@gmail.com>wrote:

> *Hi,
> I ve forgotten my root passwd on centos 6 (red hat based),
>
> I tried to change it as I used in debian (in debian it works perfectly) ,
> that is:
>
> use a cd live (or installation cd1), to access the hd,
> I mount  my root partition and mount proc and devices
>
> I tried  the command passwd, no error reprorted, but after reboot the
> passwd had´t changed.
> then I decided to remove passwd from /etc/shadow (delete the
> second field).
>
> OK,  now I can access my machine  without passwd,  BUT I CAN´T GIVE ANY
> PASSWORD!!!!  I RECEIVE THIS ERROR
>
> # passwd*
> *Changing password for user root.
> New password:
> Retype new password:
> passwd: Authentication token manipulation error
>
> any idea to fix the problem.
> thanks a lot *
>

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