On 1/19/2013 11:09 PM, Ioannis Vranos wrote:
On Sun, Jan 20, 2013 at 3:04 AM, John Hupp <[email protected]> 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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