Re: X11 Forward : entire desktop ?
- From: Harrie <harrie@xxxxxxxxxxx>
- Date: Wed, 30 Jan 2008 03:49:19 +0100
Steph wrote:
On 192.168.0.1 (Win32) , I've installed an X11 server using cygwin
On 192.168.0.2 (Debian), I've installed and set up sshd daemon.
On 192.168.0.1, when I use this :
xhost +192.168.0.2
If you use X11 Forward I don't think it's necessary to use xhost, since
the connection is comming (via a tunnel) from the localhost.
ssh -Y user@xxxxxxxxxxx
echo $DISPLAY
----> answers localhost:10.0
keyes &
keyes is transfered and displayed on the screen of 192.168.0.1
Right, it's an application, which can be displayed on another
display/Xserver. This is, when you don't count the tunnel, exactly as it
normally would be; every X application can be displayed on any Xserver
(provided that the 2 computers involved are networked together, that the
needed ports are open/not firewalled and that you have the permission to
do so (e.g. the xhost + command). The tunnel is probably only needed for
encryption and/or to bypass firewalls (and/or compression), but as far
as X is concerned, nothing is different.
but when I try to launch X Desktop (startx), the Desktop is launched on
192.168.0.2... not transfered to 192.168.0.1
Right again ;)
startx is a command to start an Xserver, something which "binds" to the
display adapter on the local host (the host where you run "startx"). You
don't want another Xserver, you already have one via Cygwin, so you
shouldn't use startx remote.
I have already transfered X11 Desktop for a long time but I can't find how
redo it ... [..]
Above you wanted to start the desktop, here you talk about transfering,
and that's also the key to the solution:
There are (as always in UNIX land) several options you can try
(depending what you really want), and I can think of two:
1) start an Xserver on the remote machine, run x11vnc so it binds to the
same desktop and use a VNC viewer to access your desktop.
2) enable (if not already done) xdm on the remote machine and set your
Xserver on you client machine to use XDMCP, it should broadcast to the
network and find all available XDMCP servers and after making a
selection you should get a graphical login window and after that your
desktop. Since this methods uses a broadcast mechanism it's probably
hard to do this via a port forwarded tunnel without any trickery, but
I've never tried it, so I don't know.
[..] What did I forgot ? [..]
To write it down?
Make a script from your command, it's a way of writing it down and most
of the time it's easier to type in a self made "command" then it would
be to remember a probably long command with switches you tend to forget.
[..] Even when exporting DISPLAY to
192.168.0.1:0.0, X Desktop continues to be displayed on .2, not on .1...
Of course, the DISPLAY var "points" to your X server. It makes no sence
for an Xserver it self to look at it.
Thanks for you help... and for my fowl memory ...
If the 2 concerning boxes are on your LAN and they (you) have full
access, why do you use the tunnel at all? Both methods I discribed above
will work without the tunnel, with less overhead (but without the
encryption/compression). Just my 2 cents ..
BTW: I'm new here (hi group), so don't take my word for anything I've
said ;)~
--
Regards,
Harrie
.
- References:
- X11 Forward : entire desktop ?
- From: Steph
- X11 Forward : entire desktop ?
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