Make new user sub-folders inherit parent permissions

[Phill Whiteside]

Hi, look into /etc/groups.

http://www.cyberciti.biz/faq/howto-linux-add-user-to-group/

has a good discussion on the subject. When I was a 'school' we had to set
up the goups 'professors', 'interns' and 'students'.

Professor A was in all 3 gropus
Intern A was in 'interns' and 'students'
Student A was in 'students.

The 'group' part of the file user permissions is often over looked, yet
very useful :)

Regards.

On 20 January 2013 18:56, John Hupp <lubuntu at prpcompany.com> wrote:

>  On 1/19/2013 11:09 PM, Ioannis Vranos wrote:
>
> On Sun, Jan 20, 2013 at 3:04 AM, John Hupp <lubuntu at prpcompany.com> <lubuntu at prpcompany.com> wrote:
>
>  I have two users (user1 and user2), but for a special purpose I want to
> maintain a single store of files in the user1 home directory.
>
> So I added user1 and user2 to the "users" group, and reassigned the Group
> property for /home/user1 from "user1" to "users."
>
> I think that change automatically propagated to all the user1
> sub-directories, but I can't remember for sure.  It's possible that I
> manually changed the sub-directory permissions, perhaps even before the
> change to /home/user1.
>
> In any case, I thought that permission setup would automatically propagate
> to any new sub-folders, but I just created user1/Documents/Documentation,
> and it has Group: "user1."
>
> Can I configure this for the behavior I'm looking for?
>
>  user1 belongs to two groups, user1, and users. The first group, is his
> primary group.
>
> Change the primary group number of users user1, and user2,  in
> /etc/passwd (this file contains the user number, and primary group
> number).
>
>
>  This opens up yet more questions.  /etc/passwd only contains the
> original GID's for user1 and user2.  It does not reflect that both have now
> been also added to the "users" group.  So it seems that more than one
> user/group configuration system is being supported.
>
> I have been reading today the manpages for adduser, addgroup, and
> adduser.conf.  Interestingly, it does not document where it stores the
> configuration information -- perhaps because adduser and addgroup are only
> front-ends for useradd and groupadd.  There is no mention of /etc/passwd,
> for instance.
>
> But apart from that, Lubuntu's GUI tool for Users and Groups is
> users-admin (which I used for my customizations), and I have not yet found
> any handy documentation for that.  There may be something somewhere at
> library.gnome.org, but I have not found it yet.  But poking around a bit
> in the interface, I see that it does not even show that user1 is a member
> of the user1 group, and likewise with user2.  So again, that indicates to
> me that more than one user/group configuration system in effect.
>
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