[gentoo-user] nfs sharing: same user name, but different user id.

[gentoo-user] nfs sharing: same user name, but different user id.

[Robert Persson]

I am trying to export nfs shares from the linux box to a mac and vice-versa. 
The trouble is that. although there are users on each box with the same name, 
they have different numeric user IDs. For instance user robert on the linux 
box has userid 1000 but on the mac robert has userid 502. This means that 
users on one machine can't write to their home directories on the other 
machine.

Is there any facility within nfs to map users to other userids (beyond that 
needed for root-squashing)?

Or failing that, is there a way to change the user ids on one of the machines 
without making a big mess?

Many thanks
Robert
-- 
Robert Persson

Conspiracy Bears:
Once upon a time there were lots of conspiracy bears...

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Re: [gentoo-user] nfs sharing: same user name, but different user id.

[Boyd Stephen Smith Jr.]

On Friday 03 March 2006 02:35, Robert Persson <ireneshusband@yahoo.co.uk> 
wrote about '[gentoo-user] nfs sharing: same user name, but different user 
id.':
> Is there any facility within nfs to map users to other userids (beyond
> that needed for root-squashing)?

There's all_squash, along with a way to choose what numeric id users are 
squashed to. 

Also, I believe there's idmapd which should be able to do an arbitrary 
mapping.

> Or failing that, is there a way to change the user ids on one of the
> machines without making a big mess?

Go down to single-user mode and change owners at the same time you 
edit /etc/passwd and you should be fine, I think.

-- 
"If there's one thing we've established over the years,
it's that the vast majority of our users don't have the slightest
clue what's best for them in terms of package stability."
-- Gentoo Developer Ciaran McCreesh
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Re: [gentoo-user] nfs sharing: same user name, but different user id.

[Uwe Thiem]

On 03 March 2006 10:35, Robert Persson wrote:
> I am trying to export nfs shares from the linux box to a mac and
> vice-versa. The trouble is that. although there are users on each box with
> the same name, they have different numeric user IDs. For instance user
> robert on the linux box has userid 1000 but on the mac robert has userid
> 502. This means that users on one machine can't write to their home
> directories on the other machine.
>
> Is there any facility within nfs to map users to other userids (beyond that
> needed for root-squashing)?

idmapd

Uwe

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