On 16 June 2010 10:18, William Stein <wst...@gmail.com> wrote: > On Wed, Jun 16, 2010 at 1:18 AM, John Cremona <john.crem...@gmail.com> wrote: >> You would need to be very sure that each of the machines had the same >> version of Sage (+optional packages) installed, otherwise it would get >> very confusing for the user who restarted their worksheet. >> >> I stopped using server_pool on our machine, since everything worked >> *except* magma for some reason to do with file permissions which >> no-one on the list was able to successfully help sort out. It does >> not seem to make much difference. >> >> I think the original reason for the server_pool idea was to put put >> some small barrier between users messing up eachothers' files, but >> tthat has been entirely superseded by more recent developments in the >> notebook. I expcet notebook experts will be able to confirm or deny! > > Unfortunately, "deny". > > Using a server_pool with one other account greatly enhances the security > of the notebook server because the worksheet processes run as a different > user. > If you don't use server_pool, you must be sure only to give accounts > to a limited > range of very trusted users.
Oops... luckily our server can only be reached from our campus network! (Not counting people who have accounts on it, but I control that.) John > > William > >> >> John >> >> On 15 June 2010 23:13, Alex Ghitza <aghi...@gmail.com> wrote: >>> >>> Hi, >>> >>> While looking at the arguments for the notebook() command, the first >>> thing that comes to mind when I see "server_pool" is that it would be >>> possible to have the notebook server run worksheet processes on >>> different machines. However, the docstring and the examples seem to >>> suggest that it is (mainly) used to specify a number of users to run the >>> processes under, but on the same machine, usually localhost. >>> >>> Does anyone have any experience with running >>> >>> server_pool = ['us...@foo', 'us...@bar', ...] ? >>> >>> If so, could you describe your setup? Are there things I need to be >>> careful about in this context? >>> >>> >>> Thanks, >>> Alex >>> >>> >>> -- >>> Alex Ghitza -- http://aghitza.org/ >>> Lecturer in Mathematics -- The University of Melbourne -- Australia >>> >>> -- >>> To post to this group, send an email to sage-devel@googlegroups.com >>> To unsubscribe from this group, send an email to >>> sage-devel+unsubscr...@googlegroups.com >>> For more options, visit this group at >>> http://groups.google.com/group/sage-devel >>> URL: http://www.sagemath.org >>> >> >> -- >> To post to this group, send an email to sage-devel@googlegroups.com >> To unsubscribe from this group, send an email to >> sage-devel+unsubscr...@googlegroups.com >> For more options, visit this group at >> http://groups.google.com/group/sage-devel >> URL: http://www.sagemath.org >> > > > > -- > William Stein > Professor of Mathematics > University of Washington > http://wstein.org > > -- > To post to this group, send an email to sage-devel@googlegroups.com > To unsubscribe from this group, send an email to > sage-devel+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/sage-devel > URL: http://www.sagemath.org > -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
