Hi Bob,

On Sun, 2013-11-10 at 12:24 -0700, Bob Proulx wrote:
> Ralf Mardorf wrote:
> > Bob Proulx wrote:
> > > If the user has the same uid:gid then they will all have sane access.
> > 
> > Yes, but it should be mentioned that for sharing some paths by a
> > multi-boot, uid and name of the user must fit, if you want to avoid
> > links.
> 
> I am sorry but I do not understand what you are trying to say.
> The "uid and name of the user must fit" part is where I am lost.

JFTR

> > $ ls -hAl /home /mnt/q/home
> > /home:
   ^^^^^ /home
> > drwx------ 65 rocketmouse rocketmouse 4.0K Nov 10 13:33 rocketmouse
> > lrwxrwxrwx  1 rocketmouse rocketmouse   11 Mar  8  2013 spinymouse -> 
> > rocketmouse
> > 
> > /mnt/q/home:
   ^^^^^ /mnt, IOW another Linux install so ...
> > lrwxrwxrwx  1 rocketmouse rocketmouse   10 Mar  9  2013 rocketmouse -> 
> > spinymouse
> > drwxr-xr-x 38 rocketmouse rocketmouse 4.0K Oct 27 21:32 spinymouse
                 ^^^^^^^^^^^^ ... this is spinymouse 


> * In /home spinymouse points to rocketmouse
> * In /mnt/q/home rocketmouse points to spinymouse
> * Canonical location: /home/rocketmouse
> * Canonical location: /mnt/q/home/spinymouse
> * All owned by the rocketmouse:rocketmouse user:group
> 
> What is trying to be pointed out here?  Sorry but I would like to
> understand and it isn't clear to me.
Now to the issue I mentioned.
The uid for rocketmouse and spinymouse are equal, 1000. If you share
content from one /home with another /home, e.g.

/home/spinymouse/.local/share/evolution/mail -> 
/mnt/archlinux/home/rocketmouse/.local/share/evolution/mail
      ^^^^^^^^^^                                                    ^^^^^^^^^^^
/home/spinymouse/VirtualBox VMs -> /mnt/archlinux/home/rocketmouse/VirtualBox 
VMs/
      ^^^^^^^^^^                                       ^^^^^^^^^^^

The user name is important too, not only the uid. This might not be an
issue for the OP, when users should share another folder than home.


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