[nmglug] Remote Desktop Tunneling

[Andrew Farnsworth]

Beau,
  Inline below are the instructions for doing X-forwarding via SSH, just 
run the command as shown there.  For example I would run:

andy-farnsworths-macbook:~ billybob$ ssh -X billybob at trash.stonedoor.com
Password:

And get this as the results:

Linux trash 2.4.27-3-686 #1 Tue May 30 00:56:40 UTC 2006 i686

The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
You have new mail.
Last login: Wed Apr 16 12:22:19 2008 from some.random.host.comcast.net
farnsaw at flash:~$

Then just run your X Applications (such as xeyes or xearth) and it 
should appear on your local machine.

You do the same thing for VNC but you need to get the VNC server up and 
running, then execute the ssh command as shown below and you will find 
that if you use the VNC Client to connect to localhost, it will go 
across your tunnel to the linux box and you will have the screen 
available locally.

Andy Farnsworth

Beau Bechdol wrote:
> So any guidance on how to set this up ?
>
> On Sun, Apr 20, 2008 at 7:21 PM, Sam Noble <s at mnoble.net 
> <mailto:s at mnoble.net>> wrote:
>
>
>     On Sun, 2008-04-20 at 09:38 -0600, Beau Bechdol wrote:
>     > Is there an advantage from one to another? Meaning is one faster
>     than
>     > another ?
>
>     X forwarding with ssh is really easy to quickly run an application
>     (mostly because sshd is likely already configured properly), but
>     VNC is
>     more responsive over slow connections.
>
>     A:
>     username at host1$ssh -X username at host2
>
>     username at host2$xlogo
>
>     B:
>     Turn on and configure VNC (on ubuntu it's likely already running via
>     'vino' but that only works for existing logged in sessions. If you
>     want
>     to be able to log in and out etc you'll need to turn it on in your
>     xorg.conf or equivalent)
>     username at host1$ ssh -L 5901:localhost:5900 username at host2
>
>     Then in another window:
>     username at host1$ xvnc4viewer localhost:1
>
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