[Nix-dev] User and group ID ranges

Christian Theune ct at flyingcircus.io
Fri Jan 15 13:16:00 CET 2016


Hi,

one part that is still missing then is: what happens when static UIDs in nixpkgs outgrows 500?

Would it make sense to reserve some space in the 16-Bit-Area or should we allocate an area in the 32-Bit range?

(the other) Christian

> On 15 Jan 2016, at 12:10, Eelco Dolstra <eelco.dolstra at logicblox.com> wrote:
> 
> Hi,
> 
> On 15/01/16 09:50, Christian Kauhaus wrote:
> 
>> Am 14.01.2016 um 10:55 schrieb Игорь Пашев:
>>> I use this function to get IDs:
>> 
>> Thank you for the code, but this is not the problem I'm trying to solve.
>> We allocate UIDs centrally. It's more a policy question:
>> 
>> Is the range 500 <= n < 1000 likely to be free in the future?
> 
> Yes, I think 500-1000 is for user allocations guaranteed not to collide with
> "useradd" allocations.
> 
>> What about using the range 30000 < n < 65535?
> 
> You can use that. The only system stuff there is nixbld*, which is a
> historical mistake.
> 
> --
> Eelco Dolstra | LogicBlox, Inc. | http://nixos.org/~eelco/
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