Re: remote x-windows via DSL not working



On 2006-03-27, kroger@xxxxxxxxxxxxx <kroger@xxxxxxxxxxxxx> wrote:

Hello. I am having some trouble using X windows via my DSL
modem which runs at a max of 1.5 megs (due to my locality) to
work on a remote machine in my lab.

I am able to connect to the remote machine using

ssh -X <machine name.university.edu>

and run firefox browser remotely from the command line, and I
can browse pretty well. Graphics are pretty fast, and if
I switch away to a different desktop and back, the browser
window is immediately present.

But when I run matlab on the remote machine, it is too
slow to use. The matlab graphics (java?) windows take
forever to to refresh, which seems needed every time a
menu command is issued or I switch to another desktop
and back. Since firefox runs OK locally
and on the remote machine I know the DSL connection
and the X windows connection can move the data, but
matlab just won't work at a usable speed.

Many thanks in advance if anybody has information
about why this happens or what to do to speed it up.

I've seen this, too--a few years ago. An alternative to
suggestions to use VNC: you can run Matlab in non-graphical
mode to avoid the delays from the graphical stuff over X.
Make any plots to postscript files, scp the files over, and
display or print them. IIRC, the Matlab option is
-nodisplay or something similar.

--
Robert Riches
spamtrap42@xxxxxxxxxxx
(Yes, that is one of my email addresses.)
.



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