On Mon, 31 Jul 2006 11:21:41 Wayne Throop wrote:
>
> : Paul ROBINS <[EMAIL PROTECTED]>
> : I'm a bit surprised that there have been no other responses :( Xvnc
> : initally seems very nice to use as a virtual display for running in
> : batch or cgi X11 apps that need a display. It's a real shame that you
> : can't control it a bit more :(
>
> But more importantly, I'd suggest using Xvfb instead. This task is
> pretty much what it's specialized for, and it won't do any extra work
> at all besides the X rendering on a bitmap. It should be lightweight
> enough you can just start it for each client request, or so I suspect.
> If not, you'd still have collision and timeout issues just like Xvnc,
> but they should be addressable the same ways. And it's part of the
> standard X.org release (and Xfree86 before it).
>
> http://en.wikipedia.org/wiki/Xvfb
>
> Note that, if you need to take a peek at the screen, or even use
> mouse and keyboard at it for debugging, you can use x11vnc or x0vncserver
> to treat it as a vnc server for debugging, without having any vnc access
> overhead during normal operation.
Pardon me for getting to this thread in the middle. I have to disagree.
I use VNC for display purpose for over 5 years, also on a web page.
Here is what I do:
1. Create a virtual X by using a modified vncserver script with
3 important arguments: -alwaysshared -dontdisconnect -viewonly
(for the -viewonly argument which uses my view-only patch, see:
http://realvnc.com/pipermail/vnc-list/2000-July/015830.html,
http://www.tightvnc.com/whatsnew.html [under 1.2.5] ).
2. Run the needed applications (xload, xterm+top, xclock, etc.)
with display set to the virtual X created in {1}.
3. I use import (from the ImageMagick package) to convert the
virtual X to png like this:
import -display vncs:3 -silent -window root vnc-3.png
4. Since my web server is across the Atlantic, I use ftp to copy
this png to the remote server.
You can see the result (updated every 5 minutes) at:
http://t-e-k.biz/VNC/vnc_load.html .
Hint. You can use xsri (available on GNU/Linux and Cygwin) to set
the background of the virtual X created by VNC.
I use: xsri --tile=bg.png --set
Ehud.
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