RE: [SLUG] Exporting applications from windows?

2005-02-06 Thread Rowling, Jill
Hi all,

The way I have seen this done is pretty much the same as the way you do it
Windows server to Windows client. I use Citrix mainly, and sometimes
Rdesktop.

1) Citrix metaframe: the Linux client is free but the server costs. Exports
a whole desktop. Uses a more efficient protocol to transmit than does VNC,
so appears quicker. Requires a Windows Application server set up. Good
graphical display, limited only by the amount of memory you put in the
Windows server. I think in our case the license cost vs. Windows desktop
maintenance trade-off was something like 60 people. YMMV.

2) VNC: You need to pay for a Windows CAL for the access, again exports the
whole desktop. Tends to run a bit slow over network boundaries, probably too
slow for a normal user.

3) Tarantella. Don't know what the cost is, but may be better if you have a
lot of things (eg mainframes) to connect to. Haven't tried it.

4) Sun Ray. The windows session is emulated via an intermediate Unix server
and the thin client terminal is updated with the display. Uses Citrix or
Tarantella to connect to a remote Windows application server. Graphics are
good, but needs to be on the same network subnet.

5) Rdesktop. The Linux client is free but the server has to have a Windows
Remote Desktop license enabled, plus an extra CAL for the user. Again,
exports a whole desktop. This one is a lot easier to setup compared to
Citrix, but the display is nowhere near as good. OK for remote maintenance
but not really useful for running applications as the graphics gets spotty.
Slightly better than using a KVM though!

6) Application available through a Portal, and the user just accesses it
with a web browser. Requires something like a Tomcat server, and can involve
lots of expensive software licenses. I have seen this run, although the demo
application was an Excel Spreadsheet. Not useful for CAD or other graphical
software but pretty impressive for ERP applications and other things that
can be got running on the Internet. Come to think of it, I think you can run
Open Office in server mode so theoretically you could use that to display to
the server, and get the server to redirect the display as a web page. No, I
have never tried this but it seems possible albeit limited to certain
applications. Theoretically will work over WANs and international sites.

Cheers,

Jill.



-Original Message-
From: Karl Bowden [mailto:[EMAIL PROTECTED] 
Sent: Saturday, 5 February 2005 10:13 PM
To: slug-list
Subject: Re: [SLUG] Exporting applications from windows?


Yeah, I have seen them pop up quite a bit in terminal solutions. Has anybody
had any experience with citrix? We already use VNC through 
the company for remote assistance, and for a few awked situations, but 
will not help in providing a smooth transition in this situation. I had 
also been thinking of using win4lin and exporting the win apps over X 
throught that means.

Karl Bowden

Ben de Luca wrote:

 I believe citrix makes this possible but its certainly not free($$$).



 On 05/02/2005, at 7:08 PM, Karl Bowden wrote:

 Is it possible to have an application running remotely on a Windows
 machine but appareing locally on a linux machine?
 I have been playing arround with rdesktop and a win2k machine. But I 
 have only been able to export a complete desktop.
 What I am looking for is something more similar to the way X 
 applications can be forwarded over a ssh session.
 If I am missing something obvious please clip me arround the ears, 
 but a feature like this would much ease the transition to linux at my 
 place of work.

 Karl Bowden

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Re: [SLUG] Exporting applications from windows?

2005-02-06 Thread David Kempe
Rowling, Jill wrote:
Hi all,
The way I have seen this done is pretty much the same as the way you do it
Windows server to Windows client. I use Citrix mainly, and sometimes
Rdesktop.
1) Citrix metaframe: the Linux client is free but the server costs. Exports
a whole desktop. Uses a more efficient protocol to transmit than does VNC,
so appears quicker. Requires a Windows Application server set up. Good
graphical display, limited only by the amount of memory you put in the
Windows server. I think in our case the license cost vs. Windows desktop
maintenance trade-off was something like 60 people. YMMV.
You can export just a single application with Citrix. Just 'publish' the 
app, and when people click the shortcut on their (linux) desktop, it 
authenticates, then opens the app. Works pretty well, shame you have to 
pay for citrix to get it

dave
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[SLUG] Exporting applications from windows?

2005-02-05 Thread Karl Bowden
Is it possible to have an application running remotely on a Windows 
machine but appareing locally on a linux machine?
I have been playing arround with rdesktop and a win2k machine. But I 
have only been able to export a complete desktop.
What I am looking for is something more similar to the way X 
applications can be forwarded over a ssh session.
If I am missing something obvious please clip me arround the ears, but a 
feature like this would much ease the transition to linux at my place of 
work.

Karl Bowden
--
SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/
Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html


Re: [SLUG] Exporting applications from windows?

2005-02-05 Thread Erik de Castro Lopo
On Sat, 05 Feb 2005 19:08:57 +1100
Karl Bowden [EMAIL PROTECTED] wrote:

 Is it possible to have an application running remotely on a Windows 
 machine but appareing locally on a linux machine?

VNC in its various guises works quite well on a local network.

 I have been playing arround with rdesktop and a win2k machine. 

Oh, VNC does the same.

 But I 
 have only been able to export a complete desktop.
 What I am looking for is something more similar to the way X 
 applications can be forwarded over a ssh session.

Something I got going just today is OpenSSH on a winxp machine, with
X forwarding on, so I can slogin to the windows machine and display
back onto the linux machine. However, this ONLY works for X applications
running on windows machine, not the normal windows apps.

Erik
-- 
+---+
  Erik de Castro Lopo  [EMAIL PROTECTED] (Yes it's valid)
+---+
Working with Perforce in my day job makes me really appreciate
just how good GNU Arch is. -- Erik de Castro Lopo

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Re: [SLUG] Exporting applications from windows?

2005-02-05 Thread Ben de Luca
I believe citrix makes this possible but its certainly not free($$$).

On 05/02/2005, at 7:08 PM, Karl Bowden wrote:
Is it possible to have an application running remotely on a Windows 
machine but appareing locally on a linux machine?
I have been playing arround with rdesktop and a win2k machine. But I 
have only been able to export a complete desktop.
What I am looking for is something more similar to the way X 
applications can be forwarded over a ssh session.
If I am missing something obvious please clip me arround the ears, but 
a feature like this would much ease the transition to linux at my 
place of work.

Karl Bowden
--
SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/
Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html
--
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Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html


Re: [SLUG] Exporting applications from windows?

2005-02-05 Thread Karl Bowden
Yeah, I have seen them pop up quite a bit in terminal solutions.
Has anybody had any experience with citrix? We already use VNC through 
the company for remote assistance, and for a few awked situations, but 
will not help in providing a smooth transition in this situation. I had 
also been thinking of using win4lin and exporting the win apps over X 
throught that means.

Karl Bowden
Ben de Luca wrote:
I believe citrix makes this possible but its certainly not free($$$).

On 05/02/2005, at 7:08 PM, Karl Bowden wrote:
Is it possible to have an application running remotely on a Windows 
machine but appareing locally on a linux machine?
I have been playing arround with rdesktop and a win2k machine. But I 
have only been able to export a complete desktop.
What I am looking for is something more similar to the way X 
applications can be forwarded over a ssh session.
If I am missing something obvious please clip me arround the ears, 
but a feature like this would much ease the transition to linux at my 
place of work.

Karl Bowden
--
SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/
Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html

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Re: [SLUG] Exporting applications from windows?

2005-02-05 Thread Ken Foskey
On Sat, 2005-02-05 at 19:24 +1100, Erik de Castro Lopo wrote:
 On Sat, 05 Feb 2005 19:08:57 +1100
 Karl Bowden [EMAIL PROTECTED] wrote:

  I have been playing arround with rdesktop and a win2k machine. 
 
 Oh, VNC does the same.

There is a subtle difference.  rdesktop provides a second session that
is independent of any other logged on sessions.  VNC lets you take
control of the PC screen, handy for support but not always required.

Also I think rdesktop runs better than true VNC, try tightvnc.org or one
of the other VNC versions.

  But I 
  have only been able to export a complete desktop.
  What I am looking for is something more similar to the way X 
  applications can be forwarded over a ssh session.
 
 Something I got going just today is OpenSSH on a winxp machine, with
 X forwarding on, so I can slogin to the windows machine and display
 back onto the linux machine. However, this ONLY works for X applications
 running on windows machine, not the normal windows apps.

In theory it should be easy to do port forwarding.

-- 
Ken Foskey
OpenOffice.org developer


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Re: [SLUG] Exporting applications from windows?

2005-02-05 Thread Jeff Waugh
quote who=Ken Foskey

  Oh, VNC does the same.
 
 There is a subtle difference.  rdesktop provides a second session that is
 independent of any other logged on sessions.  VNC lets you take control of
 the PC screen, handy for support but not always required.

Until recently, this was not the case on X-based systems. The first version
of VNC included vncserver, which was an X server unto itself. Recent GNOME
and KDE releases have included current-display RFB export (and with xorg,
GNOME now uses the DAMAGE extension, which actually makes it usefully fast).

Search google, or the SLUG archives for jdub gdm vnc to see a cool recipe
for dynamic multiple logins with vncserver and gdm.

- Jeff

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 machine. Those are tempting targets but would probably make Telsa
extremely cross. - Alan Cox
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Re: [SLUG] Exporting applications from windows?

2005-02-05 Thread James Gregory
On Sat, 2005-02-05 at 19:08 +1100, Karl Bowden wrote:
 Is it possible to have an application running remotely on a Windows 
 machine but appareing locally on a linux machine?
 I have been playing arround with rdesktop and a win2k machine. But I 
 have only been able to export a complete desktop.
 What I am looking for is something more similar to the way X 
 applications can be forwarded over a ssh session.
 If I am missing something obvious please clip me arround the ears, but a 
 feature like this would much ease the transition to linux at my place of 
 work.

In *theory* you should be able to take the GDI implementation from Wine,
drop that into the directory that your application is installed (the
Windows equivalent of LD_PRELOAD), set an environment variable, make an
offering to the god of dynamic linking, and have it turn the GDI API
calls into X data that you can display on any X server.

In practice though, I don't think anyone's got that to work
successfully. It's worth digging around for, or similarly for people
using other GDI replacements to do the same thing.

What Windows apps do you need? Maybe using Wine directly would be an
option?

HTH,

James.

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