John Sechrest wrote:

> In reading the documentation, it does not look like
> it is a hardware sharing of the mouse/screen, but a way 
> to hook up displays at the application level.
> 
> And so this may be useful for screen browsing, but it
> does not look like it would be useful in system rebooting
> and getting access to the bios of any of the other machines.

You are correct.

> In addition, it looks like it does not care about location
> of the other machines, so your secondary machines could
> conceivably be far away (depending on bandwidth)

You are correct there too.  The mouse/keyboard event stream is low
bandwidth (hundreds of bytes/second?).

But keep in mind that if you can't see the other screen, you don't
know what your mouse/keyboard input is doing.

> I have not yet seen if it support multi user sharing,
> so that one desktop can mirror/reflect someone elses 
> desktop. (this would be used for over the phone consulting)

That would be easy enough to do.  If Teacher and Student were sitting
at displays side by side, Teacher would run synergy server and Student
would run synergy client.  Then Teacher and Student could both take
turns driving Student's display, each from his own keyboard/mouse.

That's not what it's for, but it would work.

> What makes this more interesting than just running Xwindows on a system?

It's a way to have multiple screens for one user and not need to use
multiple mice and keyboards.  The screens are on different hosts and
can be running different OSes.  Here are some use cases that I've used
in the last couple of months.

1. Linux laptop in docking station has external monitor, keyboard and
   mouse.  Second laptop running Windows sits on desk running Outlook
   and Windows-only client-under-test.  I see three screensful of
   stuff, and can develop/debug network app that has Windows client
   and Linux server without switching keyboards/mice.

   left screen (laptop):             Windows client and Outlook
   middle screen (external monitor): 4 xterms and an emacs
                                     (the curmudgeon's IDE)
   right screen (laptop):            server admin browser and
                                     documentation browsers

2. Two linux laptops w/ external keyboard and mouse.  (I am a klutz
   with a trackpad.)  Email and IM covering one screen, browsers and
   anoraK covering the other.  Sort of like a dual-head laptop.

You can think of it as a way to create a multihead display without
special video cards.  Or you can think of it as a way to get Windows
and Linux on separate screens of one display.  (I'm using "display"
in the X Windows sense of one user, one keyboard, and one or more
monitors and mice.)

If you don't crave more screen real estate, it probably doesn't
seem very valuable.

-- 
Bob Miller                              K<bob>
                                        [EMAIL PROTECTED]
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