Unix equivalent of windows terminal server options?

asad a.alii85 at gmail.com
Mon Jan 30 05:23:56 UTC 2017

Thanks Karl,

The web-application is ORACLE CRM, and it works on Internet explorer only.
The users type is remote VPN. The reason to run terminal services is
because it would be running a "security agent" that be recording all user
activities and sessions.

For license I have checked I need two type licenses

Window Server 2016 DVC CAL OLP

Window remote Desktop Services DVC CAL 2016


On Sat, Jan 28, 2017 at 1:54 AM, Karl Auer <kauer at biplane.com.au> wrote:

> On Fri, 2017-01-27 at 23:41 +0500, asad wrote:
> > I want to replace *Windows terminal server* mostly due to cost
> > reasons license cost for 2100 users goes out of roof.
> >
> > The end-user is all windows but I want a jump server that is UNIX
> > based [...] to run a terminal services for 2100 users.
> > Some of the basic requirement for such a setup be:-
> >
> >    - use of browser to access web based application
> >    - Restrict or limit desktop application based upon user
> > authorization.
> >    - Supporting concurrent users for about 1200 per server.
> Remote access to a Linux system is no problem at all - ssh, and run
> whatever programs you like including X programs. The X server is on the
> client. In my experience X really likes a fast network, and it not very
> good on slow ones, especially for graphics-intensive things, which
> these days is almost everything. For Windows users, this is not useful,
> because Windows is not an X server, and you probably don't want to have
> to install one on every Windows system (though there are free ones).
> That leaves RDP or VNC.
> Linux supports both RDP and VNC, but doesn't (out of the box) support
> multiple users. As far as I know there is no way to use VNC with
> multiple simultaneous users. There is a system called XRDP which does
> support multiple RDP users, and is easy to install, though with some
> restrictions on the window managers you can use. If you log in via
> XRDP, you will get your own Linux desktop, with access to Linux
> programs and features, and you will be using a Linux window manager,
> not Windows.
> One big question is authentication. If you are expecting to
> authenticate against AD, Linux does support that via Samba. The AD
> features are not comprehensive but for straight AD authentication it
> should work fine. For non-AD username/password access it will work fine
> too; you can even add MFA to the mix if you wish.
> The biggest question is what applications your 2100 users will be
> running on this server. A primary function of Windows TS is to provide
> multiple users, simultaneously, with their own remote desktop, on which
> they can run whatever *Windows* applications are available on the
> server. Linux cannot provide that for Windows applications in any
> general sense.
> Linux CAN provide that in a few cases. Those cases are: Where the
> program to be run has a Linux version (for example, Firefox); where
> there is a good alternative Linux program (for example, LibreOffice
> instead of MSOffice); where the Windows program to be run can be run
> successfully under WINE.
> Controlling access to specific applications on a user-by-user basis is
> possible but fiddly; definitely not as point-an-click as Windows. I
> have *never* done it myself, but I imagine you would create one group
> for each application, and set the permissions on the executable to "-
> rwxr-xr--". Not at all sure how you would do it with WINE applications
> - perhaps by controlling access to the directory containing the
> executable?
> Your basic requirements suggest that a TS-style system may not actually
> be needed. All clients have a web browser anyway, why go to a central
> system to run one? Or are your clients outside the enterprise? Why do
> they need to go to a TS to run desktop applications? It will be faster
> if they run them locally and just centralise file access if needed.
> Finally - don't be too sure you really need 2100 CALs. Ask around and
> talk to Microsoft or your Microsoft reseller.
> Regards, K.
> --
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Karl Auer (kauer at biplane.com.au)
> http://www.biplane.com.au/kauer
> http://twitter.com/kauer389
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