[Freeipa-users] Why not unix UIDs (numbers and range)

Sigbjorn Lie sigbjorn at nixtra.com
Mon May 23 21:26:27 UTC 2011


That used to be true, but it's been a lot higher for some time now. 
Linux has had 32-bit integers for UID/GID since Linux kernel 2.4, and 
Solaris has had the same since Solaris 2.5.1.

I can't speak for other *nix flavours.


Rgds,
Siggi.


On 05/23/2011 11:09 PM, Steven Jones wrote:
> um so I thought there was a 65k limit?
>
> I have way more numerals than that.
>
> Also I need to pick up that UID from somewhere as its part of a users identify in the identity managment system we have....how would I go about sucking that out of IPA after the account is provisioned?
>
> regards
>
> Steven
> ________________________________________
> From: freeipa-users-bounces at redhat.com [freeipa-users-bounces at redhat.com] on behalf of Stephen Gallagher [sgallagh at redhat.com]
> Sent: Monday, 23 May 2011 11:23 p.m.
> To: freeipa-users at redhat.com
> Subject: Re: [Freeipa-users] Why not unix UIDs (numbers and range)
>
> On Mon, 2011-05-23 at 04:42 +0000, Steven Jones wrote:
>> Hi,
>>
>> Why doesnt IPA use std unix UIDs? and how does that translate into Unix permissions on a client if it does not?
>>
>> BTW neat install, under 10mins and its up!
>
> FreeIPA does use standard UNIX UIDs and GIDs. By default, however,
> they're generated automatically behind the scenes so that the
> administrator doesn't need to manage them. FreeIPA does this so it can
> ensure that there are no duplicate IDs in the system, which is a common
> problem in unmanaged LDAP environments.
>
> On the various client machines, you can see that the users have UIDs and
> GIDs by performing 'getent passwd<username>'.
>
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