Hi.
Thanks Chris and Peter and Gregor.
Gregor sent me a link to an article that looks promising, and says
basically the same as Peter below, using XMing as the X11 server
(client?, I can never remember..).
I will try that tonight.
Peter Crowther wrote:
From: André Warnier [mailto:a...@ice-sa.com]
"X" is not something I use regularly, so when
Chris mentioned X, I thought he was talking about the secondary
connection/port that the JVM/Jconsole agree on, not about
X-terminal and so.
So thanks for the tip, but could you expand even more ?
I realise this isn't really a Tomcat matter, but maybe this can help
someone else in a similar situation.
At which level would X11 kick in ?
It ships the stream of commands to display JConsole on your local desktop.
Rough sequence of events:
- Start an X11 server on your workstation. Find out its DISPLAY variable.
- If using PuTTY, tell it about your X11 DISPLAY variable. It can't guess!
- Use ssh/PuTTY with X11 tunnelling enabled to remote to your Tomcat host.
- echo $DISPLAY to make sure it's come across OK.
- Start Jconsole on the Tomcat host. It will display on your local desktop,
via the ssh tunnel.
The network part of this is no more complex than you already have.
Layout is as follows :
Office A :
workstation (me) --> firewall/router -> internet modem --> internet
Office B :
internet -> internet modem -> firewall/router -> Tomcat host
There is no VPN setup between A and B.
My workstation is a Windows laptop. I don't presently have an
X emulator
on it. It has Java JDK 6, an SSH terminal-like program
(putty), WinSCP,
etc.. I'd rather avoid installing Cygwin on the laptop, because it
interferes with other Unix-like things I have on it.
OK. If you don't want to put Cygwin on - which is certainly the
easiest+cheapest way of getting an X11 display on your laptop - then you still
have options. You could, for example, install something like VMware (Server is
free, which would be plenty for this job). You could then run, say, Ubuntu on
the VM and ssh across from Ubuntu.
- Peter
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