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bug#35399: Guix System installer does not set up passwords

From: Ludovic Courtès
Subject: bug#35399: Guix System installer does not set up passwords
Date: Thu, 25 Apr 2019 00:51:25 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux)

Ludovic Courtès <address@hidden> skribis:

>> Another option would be to have an activation snippet that runs when
>> booting the newly installed system: if would check for a flag or
>> something (it could check for uninitialized passwords), and if it
>> determines it’s a first boot, open a dialog box asking for passwords.
>> We’d need to add a “post-install” service in the OS config that would do
>> just that.
>> That would be the most robust approach, but it’s also a bit more work I
>> guess.  It’s also not so nice that users will see this extra service in
>> their config.
>> Thoughts?
> To which Florian replied:
>> Why can’t the installer just chroot into the new system and call
>> passwd?
> That makes a lot of sense, I feel silly for not thinking about it.  :-)
> (In fact, we don’t even have to chroot since we can directly use (gnu
> build accounts) to write the shadow file in the right place.)

This is implemented by these commits:

  91a7c4998f installer: Ask for the root account password.
  898677ed17 installer: Ask for user password and initialize /etc/shadow.

I ran a full install and confirmed that it works as expected.  You’re of
course welcome to try it out!

I realized later that I forgot to add a password confirmation box.  I
guess we should add one, right?


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