Re: [Samba] Linux member server, or something else?

2009-06-30 Thread John Drescher
On Tue, Jun 30, 2009 at 11:15 AM, Norberto Bensa wrote:
> On Tue, Jun 30, 2009 at 10:39 AM, John Drescher wrote:
>>> On Tue, Jun 30, 2009 at 7:29 AM, David Markey 
>>> wrote:
 It's possible to use nss_ldap and idmap backend = nss and no winbind, like
 you are describing.
>>>
>>> Why do I need idmap? I mean, from what I understand, idmap only
>>> purpose is to help winbind ensure uid and gid are the same across
>>> servers. If I use LDAP to store users accounts and groups, these id
>>> are the same.
>>>
>>
>> Without idmap ACLs do not work on member servers. I mean changing ACLs
>> on files in windows does not work as expected.
>>
>
> Ok. So, is this "idmap backend = nss" a valid option? I can't find
> information about it in "man smb.conf"
>
> I'm using samba-3.0.28a (ubuntu hardy).
>

I do not remember what version that was added. 3.0.28 is pretty old
though. I am using 3.0.33 or greater on all of my production servers.

John
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Re: [Samba] Linux member server, or something else?

2009-06-30 Thread Norberto Bensa
On Tue, Jun 30, 2009 at 10:39 AM, John Drescher wrote:
>> On Tue, Jun 30, 2009 at 7:29 AM, David Markey 
>> wrote:
>>> It's possible to use nss_ldap and idmap backend = nss and no winbind, like
>>> you are describing.
>>
>> Why do I need idmap? I mean, from what I understand, idmap only
>> purpose is to help winbind ensure uid and gid are the same across
>> servers. If I use LDAP to store users accounts and groups, these id
>> are the same.
>>
>
> Without idmap ACLs do not work on member servers. I mean changing ACLs
> on files in windows does not work as expected.
>

Ok. So, is this "idmap backend = nss" a valid option? I can't find
information about it in "man smb.conf"

I'm using samba-3.0.28a (ubuntu hardy).


> John M. Drescher
>

Thanks!
Norberto
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Re: [Samba] Linux member server, or something else?

2009-06-30 Thread John Drescher
> On Tue, Jun 30, 2009 at 7:29 AM, David Markey 
> wrote:
>> It's possible to use nss_ldap and idmap backend = nss and no winbind, like
>> you are describing.
>
> Why do I need idmap? I mean, from what I understand, idmap only
> purpose is to help winbind ensure uid and gid are the same across
> servers. If I use LDAP to store users accounts and groups, these id
> are the same.
>

Without idmap ACLs do not work on member servers. I mean changing ACLs
on files in windows does not work as expected.


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John M. Drescher
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Re: [Samba] Linux member server, or something else?

2009-06-30 Thread Norberto Bensa
On Tue, Jun 30, 2009 at 7:29 AM, David Markey wrote:
> It's possible to use nss_ldap and idmap backend = nss and no winbind, like
> you are describing.

Why do I need idmap? I mean, from what I understand, idmap only
purpose is to help winbind ensure uid and gid are the same across
servers. If I use LDAP to store users accounts and groups, these id
are the same.


> It's also possible to use nss_winbind and no nss_ldap, however there has
> been a bug on the server side that has stopped this from working. So the
> option above is your only option unless you have a version of samba on the
> server side that isn't affected by the bug.

In the past, winbind used to give headaches. I want to avoid it if I can :-)


> Regards,
>
> David


Thanks!

Norberto
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Re: [Samba] Linux member server, or something else?

2009-06-30 Thread David Markey
It's possible to use nss_ldap and idmap backend = nss and no winbind, like
you are describing.

It's also possible to use nss_winbind and no nss_ldap, however there has
been a bug on the server side that has stopped this from working. So the
option above is your only option unless you have a version of samba on the
server side that isn't affected by the bug.


Regards,

David








On Tue, 30 Jun 2009 00:59:16 -0300, Norberto Bensa 
wrote:
> Hello,
> 
> On Mon, Jun 29, 2009 at 11:11 PM, John Drescher
> wrote:
>>> I have a Samba PDC with an LDAP backend password database, against
which
>>> WinXP clients authenticate. I also have a Ubuntu workstation, which
>>> authenticates directly to the same LDAP password database (no Samba).
>>>
>>> I now wish to have the WinXP clients be able to map shares on the
Ubuntu
>>> workstation, so I obviously need to get Samba working on it. I can slog
>>> through the technical details, but I want to make sure I have the
>>> concept
>>> properly figured out - will the Ubuntu workstation be a "member
server",
>>> configured as such per the Samba documentation using Winbind, or is
>>> there a
>>> different way I should be thinking about this?
>>>
>>> Thanks for any general pointers.
>>>
>>
>> That is what I have with my samba setup. I mean I have a PDC, a BDC, 3
>> to 5 LDAP servers and 5 or so member servers. On my PDC and BDC there
>> are no real file shares. The member servers have that. My member
>> servers have winbind.
> 
> 
> At work, we're in the process of starting a migration of our Windows
> XP clients to Ubuntu.
> 
> My PDC is a Samba server running on Ubuntu Hardy with LDAP backend.
> 
> I'm testing with my workstation (Ubuntu Jaunty). Samba uses the PDC as
> a password server. Users and groups are read from LDAP via nsswitch
> (i.e. nothing about LDAP in smb.conf on the client). Also, no winbind.
> 
> It seems to work, but I want to know if I'm missing something.
> 
> Why should I run winbind?
> If I need to run winbind, does it need to run on server _and_ clients?
> 
> 
> Many thanks in advance,
> Norberto
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Re: [Samba] Linux member server, or something else?

2009-06-29 Thread Norberto Bensa
Hello,

On Mon, Jun 29, 2009 at 11:11 PM, John Drescher wrote:
>> I have a Samba PDC with an LDAP backend password database, against which
>> WinXP clients authenticate. I also have a Ubuntu workstation, which
>> authenticates directly to the same LDAP password database (no Samba).
>>
>> I now wish to have the WinXP clients be able to map shares on the Ubuntu
>> workstation, so I obviously need to get Samba working on it. I can slog
>> through the technical details, but I want to make sure I have the concept
>> properly figured out - will the Ubuntu workstation be a "member server",
>> configured as such per the Samba documentation using Winbind, or is there a
>> different way I should be thinking about this?
>>
>> Thanks for any general pointers.
>>
>
> That is what I have with my samba setup. I mean I have a PDC, a BDC, 3
> to 5 LDAP servers and 5 or so member servers. On my PDC and BDC there
> are no real file shares. The member servers have that. My member
> servers have winbind.


At work, we're in the process of starting a migration of our Windows
XP clients to Ubuntu.

My PDC is a Samba server running on Ubuntu Hardy with LDAP backend.

I'm testing with my workstation (Ubuntu Jaunty). Samba uses the PDC as
a password server. Users and groups are read from LDAP via nsswitch
(i.e. nothing about LDAP in smb.conf on the client). Also, no winbind.

It seems to work, but I want to know if I'm missing something.

Why should I run winbind?
If I need to run winbind, does it need to run on server _and_ clients?


Many thanks in advance,
Norberto
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Re: [Samba] Linux member server, or something else?

2009-06-29 Thread John Drescher
> I have a Samba PDC with an LDAP backend password database, against which
> WinXP clients authenticate. I also have a Ubuntu workstation, which
> authenticates directly to the same LDAP password database (no Samba).
>
> I now wish to have the WinXP clients be able to map shares on the Ubuntu
> workstation, so I obviously need to get Samba working on it. I can slog
> through the technical details, but I want to make sure I have the concept
> properly figured out - will the Ubuntu workstation be a "member server",
> configured as such per the Samba documentation using Winbind, or is there a
> different way I should be thinking about this?
>
> Thanks for any general pointers.
>

That is what I have with my samba setup. I mean I have a PDC, a BDC, 3
to 5 LDAP servers and 5 or so member servers. On my PDC and BDC there
are no real file shares. The member servers have that. My member
servers have winbind.

John
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