Re: [systemd-devel] how to login into a container booting with a minimal 'debian distro unstable' via nspawn

[Mantas Mikulėnas]

On Sun, Mar 25, 2018 at 7:36 PM, Florian Held 
wrote:

> Hi,
> how is it possible to log in into a container booting a minimal unstable
> debian distro via nspawn. After running:
>
> # debootstrap --arch=amd64 unstable ~/debian-tree/
> # systemd-nspawn -bD ~/debian-tree/
>
> prompts username followed by password. The combination
>
> "root"
> ""
>
> without quotes doesn't work. How can I login?
>
>
Does debootstrap actually create a passwordless root account?

If it's passwordless, make sure pam_securetty.so is not active (in the
container's /etc/pam.d).


-- 
Mantas Mikulėnas
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Re: [systemd-devel] how to login into a container booting with a minimal 'debian distro unstable' via nspawn

[Filipe Brandenburger]

Hi Florian,

On Sun, Mar 25, 2018 at 9:36 AM, Florian Held  wrote:
> how is it possible to log in into a container booting a minimal unstable
> debian distro via nspawn. After running:
>
> # debootstrap --arch=amd64 unstable ~/debian-tree/
> # systemd-nspawn -bD ~/debian-tree/
>
> prompts username followed by password. The combination
>
> "root"
> ""
>
> without quotes doesn't work. How can I login?

You can enter the container and just run a root shell on it with this command:

  # systemd-nspawn -D ~/debian-tree/ /bin/sh

(That's equivalent of single-user mode or a rescue shell on a machine.)

At that step, you can change the root password:

  # passwd root
  

At that point, boot the container again (with "-b") and you should be
able to log in.

I hope that helps!

Cheers,
Filipe


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[systemd-devel] how to login into a container booting with a minimal 'debian distro unstable' via nspawn

[Florian Held]

Hi,
how is it possible to log in into a container booting a minimal unstable
debian distro via nspawn. After running:

# debootstrap --arch=amd64 unstable ~/debian-tree/
# systemd-nspawn -bD ~/debian-tree/

prompts username followed by password. The combination

"root"
""

without quotes doesn't work. How can I login?

Thanks in advance,

Flo
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