[Samba] Can anyone get winbind to update group membership?

Adam Nielsen adam.nielsen at uq.edu.au
Tue Jan 17 02:51:35 GMT 2006

Hi all,

Does this work for anyone out there?  I've never gotten it to work:

(the set up is Samba as a member of an Active Directory run by Windows


  1.  Pick an NT group that's been there since you installed Samba,
and of which you are a member. I'll call it DOMAIN\Oldgroup.

  2.  Run "chgrp DOMAIN\\Oldgroup test" then "chmod g+w,o-w test"

  3.  Access the 'test' folder from Windows via Samba and observe you
can create files in this folder, as you are a member of a group with
write access.


  4.  Either make a new NT group, or pick one that you're not a member
of.  I'll call it DOMAIN\Newgroup.

  5.  Run "chgrp DOMAIN\\Newgroup test"

  6.  Access the 'test' folder and observe that you can't write to the
folder as you don't have access to it any more (since you're no longer a
member of the group that has write access.)


  7.  Go back and add yourself to DOMAIN\\Newgroup.

  8.  Run "getent group DOMAIN\\Newgroup" and observe that you're now a
member of this group.

  9.  Access the 'test' folder again, but this time notice that you
still can't write to the folder, even though you're a member of a group
that *has* write access.


I can't for the life of me work out why Samba won't let me write to the
share once I've added myself (or anyone else for that matter) to a
group that was created after Samba was first run.  It doesn't matter
how long you leave it, Samba will never let you access the folder.

Is anyone else able to do this?


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