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Bug#581729: [SQUEEZE] Document the umask change for new installs

On 05/15/2010 05:50 AM, Christoph Anton Mitterer wrote:
> On Sat, 2010-05-15 at 13:45 +0200, Holger Levsen wrote:
>> This paragraph should be accompanied by something like:
>> Instead of adding users to other users private groups (which has issues as 
>> explained above) it is recommend to create dedicated groups for these users 
>> for collaboration. 
> Perhaps I'm completely stupid,... but why do we have UPGs then at all?

User private groups are NOT intended to add other users too. That's why
it's called "private". The motivation behind creating a UPG setup was to
have more flexible group collaboration, without sacrificing security on
the system, or changing how standard UNIX permissions work. This has
been discussed already.

> For those rare cases like "a user's wife/husband" which is fully
> trusted?

Personally, I trust my wife, and have no problem adding her to my own
private group. However, it still is better to create a different group,
add both myself and her too, and use that to share the files. There may
be a time, when I am shopping online, or working on something I don't
want my wife to see, so putting her in my private group might have been
a mistake. Even if I fully trust how she'll handle those files.

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