NoMachine is very fast
you can download the free client ( http://www.nomachine.com) for all kind of flavour, linux, mac and windows
it is pretty easy to use, and you can modify parameters such as the size of the display and the compression rate. It is possible and pretty easy to go through a firewall and forward X using ssh forwarding in either windows and linux.
The server is available for free (http://freenx.berlios.de/) and will work only on a linux machine.
jean
Clemens Vonrhein <[EMAIL PROTECTED]> wrote:
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*** CCP4 home page http://www.ccp4.ac.uk ***
Hi Randy,
I'm a convert to NX/FreeNX now completely: by opening a ssh tunnel to
your lab-machine you are then able to open a window on your home
computer that has a complete desktop in it. And it uses some very
fancy compression methods ... don't ask me what.
Sitting at home with a 1MB line (half the speed of what you have) it
feels like sitting on the remote computer. Absolutely incredible
... at least to me (remembering the slow ssh -X connections, with or
without -C). you can even integrate images with the normal MOSFLM
running on the remote computer.
Have a look at
http://www.nomachine.com/
http://freenx.berlios.de/
Cheers
Clemens
On Mon, Jul 03, 2006 at 04:17:16PM +0100, Randy Read wrote:
> *** For details on how to be removed from this list visit the ***
> *** CCP4 home page http://www.ccp4.ac.uk ***
>
>
> I just thought I would pass on a trick that Paul Adams and Nigel Moriarty
> pointed out recently. That was in the context of the Phenix interface, but
> it applies equally to ccp4i.
>
> If you've ever tried to run ccp4i over the network using ssh and X forwarding,
> you might have been discouraged by how slow it becomes, particularly with
> anything less than the fastest connections. I had almost given up on running
> ccp4i when connecting from home via broadband (2Mb connection, which is fast
> enough for most other things).
>
> Nigel looked into this problem and found out that the speed of X forwarding
> can be increased dramatically by turning on compression when running ssh
> (using the -C flag). Perhaps this is no news to many of you, but I had
> certainly missed that flag in the documentation. As an illustration of the
> size of the effect, it takes 260 seconds to open the Phaser molecular
> replacement GUI without the -C flag on my home connection, but only 33
> seconds with the -C flag. Still slow, but bearable.
>
> On either an iBook running OSX 10.3 or a laptop running Fedora Core 4, the
> command I use to connect is:
>
> ssh -X -C [EMAIL PROTECTED]
>
> The -X flag may not be required, depending on the setup, but says to turn
> on X forwarding. Paul Adams says that this doesn't work for some connections,
> in which case replacing "-X" by "-Y" might work. This turns off some
> security checks and may get around firewall issues.
>
> Presumably there are equivalent flags when connecting from non-Unix-based
> machines, but I don't have an X client on my Windows machines; perhaps
> someone else can comment.
>
> --
>
> Randy J. Read
> Department of Haematology, University of Cambridge
> Cambridge Institute for Medical Research Tel: + 44 1223 336500
> Wellcome Trust/MRC Building Fax: + 44 1223 336827
> Hills Road E-mail: [EMAIL PROTECTED]
> Cambridge CB2 2XY, U.K. www-structmed.cimr.cam.ac.uk
>
>
--
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* Clemens Vonrhein, Ph.D. vonrhein AT GlobalPhasing DOT com
*
* Global Phasing Ltd.
* Sheraton House, Castle Park
* Cambridge CB3 0AX, UK
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