Re: [gentoo-user] local shared directory

[hw <hw@gc-24.de>]

Neil Bothwick schrieb:
> On Thu, 17 Mar 2016 18:38:56 -0400, Rich Freeman wrote:
>
>>> umask is just not viable either, as a) it's global and affects all
>>> files a user creates and b) by definition umask is modifiable by the
>>> user (it's a feature to help users out so they don't need to chmod
>>> every file every time) and c) you can't stop them doing it (by
>>> design).
>>
>> Actually, this is completely viable.  Just set the default umasks to
>> 007, and create a new group for each user as their default group (and
>> don't have all their home directories be owned by some users group).
>> This is how this sort of situation was handled long before POSIX ACLs
>> became common, and I know that some distros behave this way by default
>> for this reason (this was the case in the distro I used right before I
>> switched to Gentoo).
>>
>> If users chmod a file then tell them not to.  If you must, set up some
>> cron job to clean up after them.
>>
>> But, you can of course do this with ACLs as well.  I haven't tried
>> setting those up personally.
>
> I've done this with ACLs in the past, which is why I suggested it, but
> it's a pain to set up if you haven't used them before. Alan's suggestion
> of using inotify is probably simplest. Install incrond and put something
> like this in a file in /etc/incron.d
>
> /shared/dir IN_CREATE,IN_MODIFY chmod g+w $#
>
>

Thank you very much, I'll try to use incron for this.