Hi,

I had a root passwd which was so secure that even i cannot remember it now, lol!

Can Someone help as to how i can recover it!!!!???

Any suggestions???

Regards

Vyas, Anirudh
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On Sat, 2008-08-02 at 19:34 -0400, Ricky wrote:
> Hi,
>
> I had a root passwd which was so secure that even i cannot remember it
> now, lol!
>
> Can Someone help as to how i can recover it!!!!???
>
>
> Any suggestions???


Reboot the box, at the grub splash screen hit any key to halt the
countdown. Choose the kernel you want to boot to using the arrow keys,
and once it is highlighted, hit "a" to append to the kernel line. Once
you see something like:

grub append> ro root=LABEL=/ rhgb quiet

Just add the word "single" to the end so it looks like this:

grub append> ro root=LABEL=/ rhgb quiet single

Hit enter and you will go to single user mode. Once you are there,
type:

passwd

and hit enter. Set root's new password, and type:

exit

You will boot up with a new root password.

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Thomas


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On Sat, 2008-08-02 at 19:34 -0400, Ricky wrote:
> Hi,
>
> I had a root passwd which was so secure that even i cannot remember it
> now, lol!
>
> Can Someone help as to how i can recover it!!!!???
>
>
> Any suggestions???
----
No easy way to recover the password but easy enough to reset the
password to a new password.

restart

when grub bootloader displays on screen, press the letter 'e'

use the arrow keys to choose the line that starts kernel

press the letter 'e' to edit

add a 'space' and the number '1' to the end of the line

press enter to accept

press 'b' to boot in runlevel 1

when you get the prompt, you are root, type 'passwd'

enter and then confirm your new password

type 'telinit 5' to get back to runlevel 5

Craig

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Many thanks guys, immma give it a try!

appreciate your responses!

Rick

On Sat, Aug 2, 2008 at 7:43 PM, Craig White <craigwhite@azapple.com> wrote:

On Sat, 2008-08-02 at 19:34 -0400, Ricky wrote:

> Hi,

>

> I had a root passwd which was so secure that even i cannot remember it

> now, lol!

>

> Can Someone help as to how i can recover it!!!!???

>

>

> Any suggestions???

----

No easy way to recover the password but easy enough to reset the

password to a new password.



restart



when grub bootloader displays on screen, press the letter 'e'



use the arrow keys to choose the line that starts kernel



press the letter 'e' to edit



add a 'space' and the number '1' to the end of the line



press enter to accept



press 'b' to boot in runlevel 1



when you get the prompt, you are root, type 'passwd'



enter and then confirm your new password



type 'telinit 5' to get back to runlevel 5



Craig



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Craig White wrote:

On Sat, 2008-08-02 at 19:34 -0400, Ricky wrote:


Hi,

I had a root passwd which was so secure that even i cannot remember it
now, lol!

Can Someone help as to how i can recover it!!!!???


Any suggestions???

The suggestions so far have assumed you won't get asked for a root
password to go to single user. There's a way around that too.


Append "init=/bin/sh" to the end of the kernel line and boot.

mount -o ro,remount /
mount -a
passwd root
<new passwd>
sync
wait a few seconds
reboot

--Russell

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ons so far have assumed you won't get asked for a root password to go
to single user. There's a way around that too.


Append "init=/bin/sh" to the end of the kernel line and boot.

mount -o ro,remount /

That should be mount -r rw,remount

Sorry. Typing too fast.

--Russell

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Russell Miller wrote:


ons so far have assumed you won't get asked for a root password to go
to single user. There's a way around that too.


Append "init=/bin/sh" to the end of the kernel line and boot.

mount -o ro,remount /

That should be mount -r rw,remount


And THAT should be mount -o rw,remount /

It's Saturday, and I can feel it. Back into my hole...

Sorry. Typing too fast.

--Russell



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Words by Russell Miller [Sat, Aug 02, 2008 at 05:11:39PM -0700]:
> Russell Miller wrote:
>>
>>> ons so far have assumed you won't get asked for a root password to go
>>> to single user. There's a way around that too.
>>>
>>> Append "init=/bin/sh" to the end of the kernel line and boot.
>>>
>>> mount -o ro,remount /
>> That should be mount -r rw,remount
>>
> And THAT should be mount -o rw,remount /
>

LOL! I second your howto. It works everywhere and there's not a change
of a runlevel 1 password. It comes natural after a while...

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Ricky wrote:

Hi,

I had a root passwd which was so secure that even i cannot remember it
now, lol!


Can Someone help as to how i can recover it!!!!???


Any suggestions???

If the owner of the system was even slightly security conscious there is
not only a root password, but a grub password, a boot sequence which
only includes the disk, and a BIOS password so the boot sequence can't
be changed.


If the system is secure you also need the passwords for each encrypted
filesystem.


These are good steps to follow, particularly with a laptop, even if you
think you never answered any questions, keep no secure information, etc.


--
Bill Davidsen <davidsen@tmr.com>
"We have more to fear from the bungling of the incompetent than from
the machinations of the wicked." - from Slashdot

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On Sun, 2008-08-03 at 22:30 -0400, Bill Davidsen wrote:
> Ricky wrote:
> > Hi,
> >
> > I had a root passwd which was so secure that even i cannot remember
> it
> > now, lol!
> >
> > Can Someone help as to how i can recover it!!!!???
> >
> >
> > Any suggestions???
> >
> If the owner of the system was even slightly security conscious there
> is
> not only a root password, but a grub password, a boot sequence which
> only includes the disk, and a BIOS password so the boot sequence
> can't
> be changed.
>
> If the system is secure you also need the passwords for each
> encrypted
> filesystem.
>
> These are good steps to follow, particularly with a laptop, even if
> you
> think you never answered any questions, keep no secure information,
> etc.
Except to some of us you are being paranoid. But I admit it depends on
the environment you work in.

An OT story about this. I was in the roo0m when a SUN representative
told some members of the AF Security Command that Java was arriving that
could download software to your machine through the web. They nearly had
a heart attack. These are people who run computers in copper cages to
prevent data transmission through the air.. That is a security feature
you did not mention.
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