[Samba] Change samba username with tdbsam backend

[Eden Caldas]

You are not sure if it will work? So there's no way of doing this
withou losing information?

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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