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Re: Using Mathematica remotely (installed on Mac, to

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  • Subject: [mg113152] Re: Using Mathematica remotely (installed on Mac, to
  • From: Arturas Acus <Arturas.Acus at>
  • Date: Fri, 15 Oct 2010 13:52:33 -0400 (EDT)
  • References: <i79hqu$oe2$> <i7c5qp$5ct$>

I do not agree. Xvnc servers are smart enough that for practical purposes
you do not feel any difference. You even can live rotate 3d graphics 
Xvnc servers compress data and they send only differences over what 
had changed. Also You can adjust quality, compression level and resolution 
according to
your needs. Security is also not a problem because you can easily tunel 
it over ssh.

I would suggest to try it practically. Few years ago I started to use
this approach  (over 64kb/s line from home) instead of connecting to 
remote kernel. From practical side 
advantages were obvious.

Thought your theoretical considerations seems logical and in principle 
right, my 
personal practical expierence is different: 1)stability,2) you can run 
long jobs 
over night with you notebook turned off. 3) later can connect to the same 
screen from different place (mobility).

Complete control over remote server is also not required. In these case 
just put Xvnc executables in /home/YourAccount/bin folders and somehow 
adjust config files.

Because I have quite large expierence using both methods (remote kernel 
and Xvnc) for quite a long time on different machines (for Xvnc I use only 
linux boxes), now I use ONLY Xvnc approach.

On Wed, 13 Oct 2010, Pierre Albarede wrote:

> Hello
> On 23 sep, 10:23, "perda... at" <perda... at> wrote:
>> screen sharing is just such a waste of bandwidth when all I want is a
>> Notebook front end :-)
> I agree.  Screen sharing is a very unefficient way to use the
> network.  Typically, it will only work smoothly within a local
> network.
> Moreover, screen sharinf is also a waste of your time : if you do not
> have total control on the remote machine, you will have problems.
> Indeed, screen sharing will not work if somebody else is using the
> screen or if there is no screen or if the screen is locked.
> Inversely, if you keep the remote screen unlocked at all times, then
> you will have a security problem on the remote machine !
> Nothing compares with X11 for remote work, essentially because the
> graphical server is LOCAL.
>> I wonder if my Mathematica license is tied to the Mac or whether
>> it could be installed on a linux box too -- whithout the two instances running at the same time?
> Unfortunately, the licence is exclusive for one system.  4 systems are
> supported : Mac, Linux, Windows, Unix (like Sun).  For historical and
> commercial reasons, Mac and linux are separate from Unix.  You can
> switch from one system to another, at no charge with Premier service.
> With normal licence, you will need to pay.  With student or home
> licence, probably, you will need to buy a new licence.
> For what you intend to do, linux seems better.  You can install linux
> on a virtual machine on the Mac.  Hopefully, Wolfram Research will
> lend you a licence for trial.

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