[Samba] multiuser with simple user mapping

[Eric Levy]

On Thu, 2021-06-24 at 09:36 +0100, Rowland Penny via samba wrote:
> On Wed, 2021-06-23 at 20:39 -0400, Eric Levy via samba wrote:
> > Are you able to provide any details or references on what
> > configuration
> > is needed in Winbind, or what specific tests are helpful in wbinfo?
> > 
> > In case it clarifies any misunderstanding, there is no domain
> > server
> > or
> > any similar component or node. There are just two endpoints, a NAS
> > and
> > a server (which will mount the NAS share). User names are the same
> > on
> > both systems. That is, user name "johndo123" on the server should
> > have
> > the same permissions for shared files as "johndo123" on the NAS,
> > because of string identity. Currently, there is no authority to
> > validate that both names are the same user.
> 
> If there are no Domain Controllers, then you cannot use winbind and
> whilst there might be users with the same name on each endpoint, they
> are not the same user. 
> 
> You could try creating a usermap to map users from one endpoint to
> another.
> 
> Rowland


Following this suggestion would require making changes to smb.conf on
the NAS, right (e.g. setting the idmap backend to nss)? Is any option
available not involving such changes?