Forgot Login Password

[rohan kumbhar]

Hello,

I am Unable to login. I have forgotten the login password.
What is the procedure to reset login user password?

Thanks!
Regards.

[Patrik Hagara]

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Assuming you left the root account disabled (as is the default),
you'll have to:

1) boot the Qubes install media
2) switch to unused TTY by pressing Ctrl+Alt+F<number>
3) determine which /dev/sdX device is the one containing your Qubes
installation (eg. using `lsblk`; next steps assume it's /dev/sdb)
4) run `cryptsetup luksOpen /dev/sdb2 qubes` to unlock the encrypted
root drive
5) `mount /dev/mapper/qubes /mnt`
6) `chroot /mnt`
7) `passwd user` (where "user" is your Qubes login)
8) type in a new password and confirm
9) press Ctrl+D
10) type `reboot`


Cheers,
Patrik
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[Patrik Hagara]

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On 08/03/2017 08:22 AM, Patrik Hagara wrote:
> On 08/03/2017 08:07 AM, rohan kumbhar wrote:
>> Hello,
>
>> I am Unable to login. I have forgotten the login password. What
>> is the procedure to reset login user password?
>
>> Thanks! Regards.
>
>
> Assuming you left the root account disabled (as is the default),
> you'll have to:
>
> 1) boot the Qubes install media 2) switch to unused TTY by pressing
> Ctrl+Alt+F<number> 3) determine which /dev/sdX device is the one
> containing your Qubes installation (eg. using `lsblk`; next steps
> assume it's /dev/sdb) 4) run `cryptsetup luksOpen /dev/sdb2 qubes`
> to unlock the encrypted root drive

Forgot about LVM, step 5 should be:
5) `mount /dev/qubes_dom0/root /mnt`

If that does not work, run `pvscan; vgscan; lvscan` and try again.

> 6) `chroot /mnt` 7) `passwd user` (where "user" is your Qubes
> login) 8) type in a new password and confirm 9) press Ctrl+D 10)
> type `reboot`
>
>
> Cheers, Patrik
>

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[rohan kumbhar]

After I press ctrl+alt+f* it again blocks me.
asks for dom0 login id-passwd

[Patrik Hagara]

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On 08/03/2017 10:33 AM, rohan kumbhar wrote:
> After I press ctrl+alt+f* it again blocks me. asks for dom0 login
> id-passwd
>

Log in as "root", there should be no password set IIRC. If there is,
try entering "root" there, too (or "toor" or "password", ...).

Cheers,
Patrik
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[Patrik Hagara]

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On 08/03/2017 11:23 AM, rohan kumbhar wrote:
> No. It doesn't accept root : root, to or, password combination

Then there's tmux running on one of the TTYs... You'll recognize it by
the green bar at the bottom. Once you see it, create a new "window" by
pressing Ctrl+B, then C. No logging in required there.

Cheers,
Patrik
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[rohan kumbhar]

Hi,

Thanks! for your response.
Nothing worked...Finally,
I had to format pc.
Please have some definite
procedure as in ubuntu linux for the same.

[Patrik Hagara]

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Hash: SHA256

Are you absolutely sure you booted off the Qubes OS installation media
and not your hard drive? Both Qubes R3 and R4 RC have the TTYs set up
to not require logging in, you're automatically given a root shell...

Cheers,
Patrik
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