[Nix-dev] nix on ubuntu/debian. replace core packages.

[Peter Holm]

I was accidently posting this directly to zimbatm. I reposting it to the list.

2017-02-03 1:42 GMT+01:00, Peter Holm <peter.g.holm at gmail.com>:
> I was more thinking about something like this
> https://github.com/NixOS/nixpkgs/issues/3111
> But with custom kernel for each dist, some way to save the running
> process and reload them  within a ureadhead-reboot (fake stay at the
> same system).
>
> The computer should flicker a bit -  kick you out from the current
> x-session and then be able to restore the state of the sesssion with a
> login prompt from the  dm.
>
> One had to write a custom hibernate-handler for that.
>
> Is that impossible, or just "hard" to get done.?
>
> 2016-12-30 12:48 GMT+01:00, zimbatm <zimbatm at zimbatm.com>:
>> Hi Peter,
>>
>> When nix is installed on another distro what you get is a
>> `~/.nix-profile/bin` installed in your PATH before the usual
>> /usr/bin,/bin
>> and so on.  So if you install userland tools they will "replace" the
>> system-provided ones just because the path lookup will find them first.
>> So
>> in that sense you get a unified userland between distros if you install
>> the
>> same nix packages. Does that answer your question? Note that this only
>> works for userspace program and not system services.
>>
>> On Tue, 27 Dec 2016 at 06:15 Peter Holm <peter.g.holm at gmail.com> wrote:
>>
>>> My question is regarding  Nix multiuser-install.
>>> Is it possible to replace the base-system with packages from nix.?
>>> Or even better - boot to base-system from nix core, and keep desired
>>> tools from the previous userland.?
>>>
>>> My idea is simple - if its can be done. Then probably  one vould
>>> ectand it to on-the-fly switch userland between distros and keep whats
>>> installed from nix. Ok, you have to rebind or replace some
>>> config-files... But , i belive  that should not be impossible to get
>>> going.?
>>>
>>> /Peter
>>> _______________________________________________
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>>> nix-dev at lists.science.uu.nl
>>> http://lists.science.uu.nl/mailman/listinfo/nix-dev
>>>
>>
>