[GRASSLIST:6928] Re: multiple users issue

[Daniel Gavin]

Thank you for this explanation.  I will make a group-writeable 
database directory for my project (my next chance will be in a few 
days, though!).

At 12:08 AM +0100 5/28/05, Glynn Clements wrote:
>Ian W. Macmillan wrote:
>
>>  Unfortunately you must have administrative access (root) to run grass.  I
>>  haven't heard of any way around this.
>
>That definitely isn't true.
>
>However, you need to ensure that directory ownership and permissions
>are correct, e.g.:
>
>1. A user needs to own their mapset directories; write permission
>isn't sufficient (although it isn't hard to remove this restriction if
>it's a problem).
>
>2. To create a new mapset within a location, a user needs write
>permission on the location directory.
>
>3. To create a new location, a user needs write permission on the
>database directory.
>
>How to achieve this depends upon how much freedom the users need.
>
>For a teaching environment where the users are students carrying out
>predetermined tasks with a supplied dataset, root can pre-create all
>of the mapset directories (one per user, plus PERMANENT) and set each
>user's directory to be owned by that user.
>
>If you need more flexibility, e.g. the users are staff, researchers or
>more advanced students, and need to be able to create new locations
>and mapsets, the database and location directories need to be at least
>group-writable so that users can create new subdirectories.
>
>--
>Glynn Clements <glynn at gclements.plus.com>


-- 
Dan Gavin
Research Associate
University of Vermont
Botany and Agricultural Biochemistry
120B Marsh Life Science
109 Carrigan Dr.
Burlington, VT 05405-0086