[Samba] Change samba username with tdbsam backend

[Eden Caldas]

Thanks i'll try it.

2010/2/20 John H Terpstra <jht at samba.org>:
> On 02/19/2010 08:51 PM, Eden Caldas wrote:
>> You are not sure if it will work?
>
> Right. It should work. Try it. But there will be a loss of information.
>
>> So there's no way of doing this without losing information?
>
> Correct.
>
> The tdbsam (passdb.tdb) file stores more information than the smbpasswd
> file does.
>
> You should execute:
>
>        pdbedit -Lv user_name
>
> and make careful record of the user's SID and other Windows per-user
> settings.  You may have to restore that separately using pdbedit.
>
> Password aging information will be lost.  Any per-user setting for
> Windows home folder, profile information, per-user logon script, etc.
> will be lost unless you reset it.
>
> - John T.
>
>>
>> 2010/2/20  <guido at lorenzutti.com.ar>:
>>> A very small contribution... you should also rename the user in passwd and
>>> shadow.
>>>
>>>> On 02/19/2010 08:39 PM, Eden Caldas wrote:
>>>>>  a) The users' name in the passdb.tdb file
>>>>>
>>>>> That's what I want to know. How do I do it?
>>>>
>>>> OK - you will lose information, but here is a quick solution:
>>>>
>>>> a) pdbedit -i tdbsam -e smbpasswd
>>>> b) pdbedit  -x user_name
>>>> c) Edit the smbpasswd file (it is a text file)
>>>> d) pdbedit -i smbpasswd -e tdbsam
>>>>
>>>> I am not sure it will work, but try it - what do you have to lose?
>>>>
>>>> - John T.
>>>>
>>>>>
>>>>> 2010/2/20 John H Terpstra <jht at samba.org>:
>>>>>> On 02/19/2010 06:52 PM, Eden Caldas wrote:
>>>>>>> How do you do this? This thing is a binary file. And I see no command
>>>>>>> lines for it.
>>>>>>>
>>>>>>> ex; I have an username named Miranda and I want to change to Liara.
>>>>>>
>>>>>> OK, this is a question that has been asked many times on this list. A
>>>>>> complete solution depends on the Samba password backend being used, and
>>>>>> on how far you want to go in terms of consistency of change.
>>>>>>
>>>>>> For example:
>>>>>>
>>>>>> 1) If the "passdb backend = smbpasswd", it is necessary to change:
>>>>>>
>>>>>>        a) The user login name in the smbpasswd file
>>>>>>        b) The user login name and GECOS information in /etc/passwd and
>>>>>> in
>>>>>> /etc/shadow, and all group membership information in /etc/groups
>>>>>>        c) The name of the user's home directory
>>>>>>        d) The name of the user's desktop profile directory on all MS
>>>>>> Windows
>>>>>> machine the user makes use of.
>>>>>>
>>>>>>
>>>>>> 2) If the "passdb backend = tdbsam", it is necessary to change:
>>>>>>        a) The users' name in the passdb.tdb file
>>>>>>        b) The users' login name and GECOS information in /etc/passwd
>>>>>> and in
>>>>>> /etc/shadow, and all group membership information in /etc/groups
>>>>>>        c) The name of the user's home directory
>>>>>>        d) The name of the user's desktop profile directory on all MS
>>>>>> Windows
>>>>>> machine the user makes use of.
>>>>>>
>>>>>>
>>>>>> 3) If the "passdb backend = ldapsam", it is necessary to change:
>>>>>>        a) The users' identity information in a consistent manner in
>>>>>> his/her
>>>>>> account record and in all group memberships
>>>>>>        b) The name of the user's home directory
>>>>>>        c) The name of the user's desktop profile directory on all MS
>>>>>> Windows
>>>>>> machine the user makes use of.
>>>>>>
>>>>>>
>>>>>>
>>>>>> The problem is that if the account information is deleted (can be done)
>>>>>> it must be restored with the same UID and GID, and with full
>>>>>> preservation of the users' fully qualified SID.  If this does not
>>>>>> happen, his/her profile will not longer work correctly and user
>>>>>> applications will be broken in the MS Windows environment.
>>>>>>
>>>>>> There exists no simple, portable tool that can affect the type of
>>>>>> change
>>>>>> you are seeking.  At the best of times, this is a a complex
>>>>>> administrative task that requires knowledge of the consequences of each
>>>>>> step taken.  A failure to apprehend such consequences will lead ot
>>>>>> interesting observations and results.
>>>>>>
>>>>>> - John T.
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>>>>>>
>>>>>
>>>>>
>>>>>
>>>>
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>>>
>>>
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