Mail Archives: cygwin/2010/08/24/06:19:00
On 8:59 PM, Jeremy Bopp wrote:
> On 8/18/2010 11:55 AM, Csaba Raduly wrote:
>> On Wed, Aug 18, 2010 at 5:43 PM, Alberto Canestrelli wrote:
>>> Hi,
>>> I have a problem with Cygwin. I am connecting from USA by ssh to the Hector
>>> supermachine in Edinburgh ( I write "startx" in Cygwin and then I use "ssh
>>> -Y v1acanes AT login DOT hector DOT ac DOT uk" ). Everything works fine, the only problem
>>> is that the forwarding of the windows is very very slow.
>> Hi Alberto,
>> It would be useful if you could try a non-Cygwin X server (e.g. a
>> Linux or Solaris workstation). If X from under Linux appears fast,
>> then the slowdown could be between your network card and display
>> (probably Cygwin's fault). If X from Linux is also slow, the problem
>> may be with the propagation of the X protocol between your network
>> card and Hector (probably not Cygwin's fault) .
> You could also try enabling compression with -C. I have found this to
> be a necessity when connecting with X over ssh between work and home
> even though the locations are quite near each other and plain text based
> ssh access runs fine without the compression.
In my experience, any "off-campus" access to X is best done via VNC or
rdesktop (both over a compressed ssh tunnel). Triply so if you're
crossing an ocean. The protocol simply was not designed with slow or
laggy networks in mind, from what I can tell.
There are faster X-servers for windows, but not free, and I haven't
noticed that they reduce the amount of protocol chatter much, especially
for the unbearably slow process of opening a new window.
Regards,
Ryan
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