Eric's idea sounds doable based on what I already know.  I'll take a look
at Joe's suggestion as well.



On Mon, Mar 24, 2014 at 11:43 AM, Eric Iverson <[email protected]>wrote:

> I think the best is if you can get individuals to install their own
> copy of J. Then they have something to take away and that is good.
>
> A web route is to get a free cloud machine (amazon whatever) and
> install J. Then ssh to the machine and run a script to create 30
> (whatever) JHS instances with ports 65001, 65002, .... In your class
> assign each member a number and then they use their browser to browse
> to IP:650xx/jijx and you are in business. If something gets messed up
> for a student, you can just give them a new porrt to use.
>
> This means each student has their own J session.
>
> They would all access the same prepared script you set up. Depending
> on what you want to do do this may be enough. Or you may want to tweak
> system folders at startup so, for example, each port has ~temp as
> .../temp/port.
>
> Doing this the first time would take a bit of work and have a learning
> curve. The second time would be trivial and it would be a great set of
> steps to share with the community.
>
> On Mon, Mar 24, 2014 at 11:23 AM, Joe Bogner <[email protected]> wrote:
> > One potential problem with JHS is that the state is shared across all
> > users (as far as I know). So you'd need to have them work in their own
> > locale or something.
> >
> > Perhaps you can just bring a laptop and open up JHS for the students
> > to use? If you were concerned about security, you might want to run it
> > in a sandbox.
> >
> > I've used http://www.vagrantup.com/ as a easy way to share and get
> > development environments up and running (and sandbox). You can run
> > that yourself (or any other emulator) to create your sandbox with JHS.
> >
> >  If that's the path you went, then it might be cool to have a
> > preconfigured image to share with students too.
> >
> > On Mon, Mar 24, 2014 at 10:38 AM, Raul Miller <[email protected]>
> wrote:
> >> Note that I've been operating a batch of AWS linux machines (working
> with
> >> Skip). This is the EC2 service, and I've been using 64 bit debian
> instances.
> >>
> >> That said, there's a variety of providers of machines (other than AWS -
> >> hostgator, linode, digitalocean, ...), with different billing and
> support
> >> models. It all depends on what you want to achieve, and how you want to
> do
> >> it.
> >>
> >> Thanks,
> >>
> >> --
> >> Raul
> >>
> >> On Mon, Mar 24, 2014 at 4:41 AM, Jan-Pieter Jacobs <
> >> [email protected]> wrote:
> >>
> >>> Another option would be installing J on a linux machine,  and let your
> >>> students log in using SSH. But this is of course CLI-only, unless they
> have
> >>> an X server installed (Xming is recommendable for windows).
> >>>
> >>> Kind regards,
> >>>
> >>> Jan-Pieter
> >>>  On 23 Mar 2014 17:36, "Skip Cave" <[email protected]> wrote:
> >>>
> >>> > Amazon Web Services has a free virtual micro instance you can use. I
> >>> think
> >>> > it is free with a new account for a year. After a year, it costs 2
> cents
> >>> an
> >>> > hour, 48 cents a day, $15/mo, $174/year.
> >>> >
> >>> > Other more powerful options are available, but they don't have the
> first
> >>> > free year.
> >>> >
> >>> > Here is AWS pricing  for virtual machies:
> >>> > http://aws.amazon.com/ec2/pricing/
> >>> >
> >>> >
> >>> >
> >>> >
> >>> > Skip Cave
> >>> > Cave Consulting LLC
> >>> >
> >>> >
> >>> > On Sun, Mar 23, 2014 at 11:27 AM, Devon McCormick <
> [email protected]
> >>> > >wrote:
> >>> >
> >>> > > I'm in a teaching workshop in which we should present an example
> lesson
> >>> > > plan at the end.  I'd like to do a J example but really need to
> allow
> >>> > > people to do hands-on usage and it's probably  too much to ask for
> >>> > everyone
> >>> > > to install J but, if there were a website to which I could direct
> >>> people,
> >>> > > it's much less of an obstacle.
> >>> > >
> >>> > > Does anyone have the facilities to set up something like thiis?
>  Is it
> >>> > > possible to use one of the free cloud services to do this?
> >>> > >
> >>> > > --
> >>> > > Devon McCormick, CFA
> >>> > >
> ----------------------------------------------------------------------
> >>> > > For information about J forums see
> http://www.jsoftware.com/forums.htm
> >>> > >
> >>> >
> ----------------------------------------------------------------------
> >>> > For information about J forums see
> http://www.jsoftware.com/forums.htm
> >>> >
> >>> ----------------------------------------------------------------------
> >>> For information about J forums see http://www.jsoftware.com/forums.htm
> >>>
> >> ----------------------------------------------------------------------
> >> For information about J forums see http://www.jsoftware.com/forums.htm
> > ----------------------------------------------------------------------
> > For information about J forums see http://www.jsoftware.com/forums.htm
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
>



-- 
Devon McCormick, CFA
----------------------------------------------------------------------
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