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Full Discussion: Linux terminal server?
Top Forums UNIX for Dummies Questions & Answers Linux terminal server? Post 302567607 by lupin..the..3rd on Monday 24th of October 2011 12:55:21 PM
Old 10-24-2011
Linux terminal server?

Hello everyone, I have an interesting project I'd like to implement on a Linux server here at work. Essentially, I'd like to replace a handful of Windows servers with a single Linux server. The only task these Windows servers perform, is provide remote desktops via RDP protocol that people connect to. That it!

So Windows apparently cannot handle more than 2 users logged in at once via RDP. So the company in their infinite wisdom simply bought more Windows servers. So we've got 10 of them in total, providing 20 possible RDP remote desktop sessions.

The reason we need these remote GUI desktops, is that our network connection between our office, and the data center, is flaky. It disconnects and goes down and has errors all the time. So we cannot run remote applications on our servers reliably, because the network will drop and we'll lose what we were working on. So instead, we remote desktop to a Windows server that's in the datacenter, and run our programs from there. That way, if the network drops, we simply have to re-establish our remote desktop to the Windows server, and voila, all our programs are still there running and we pick up where we left off. It actually works well.... except for the fact that it takes 10 servers to provide 20 remote desktop sessions.

Still with me? Ok, good. Smilie I want to replace these 10 Windows servers with a single Linux server. I know I can ssh to a Linux box and do X11 forwarding and have a program run remotely but display locally...... but that's not what I want to do, since it will fail when the connection drops. I need the same functionality that Windows provides, whereby 20 users can each connect to their own unique gui sessions, and if the network connection drops, they can simply reconnect to their remote gui desktop and be right where they left off.

Any ideas on how to accomplish this? The machines they are connecting from are all Windows desktop PC's. I looked at LTSP but that's more of a thin client thing, where the clients boot from the network. I can't use that. I need to connect to the remote Linux gui sessions from some kind of software client on Windows desktop pc's.

I've searched but didn't find any easy answers, so any advice or guidance is much appreciated - you are helping to eliminate 10 Windows servers, and everyone here likes that idea, right?? Smilie
 

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bubbros-client(6)						   Games Manual 						 bubbros-client(6)

NAME
bubbros-client - the bub-n-bros client SYNOPSIS
bubbros-client [ options ] [host[:port]] DESCRIPTION
This is the bub-n-bros client that connects to bub-n-bros servers started with bubbros-server(6) or bubbros(6). It supports many different audio and video drivers and is very multi-platform. OPTIONS
host Search for a game on the given machine, and connect to one if found. If this is not defined, search for servers on the local net- work. host:port Connect to server running on given port on given host. If this is not defined, search for servers on the local network. --bits=N This option concerns only the windows audio driver. Set bits per sample. Valid values are 8 and 16 (default). -d DRIVER, --display=DRIVER Use video driver DRIVER. Valid drivers are: X X Window driver for Linux and Unix systems with an X server running. See the --shm option. windows MS Windows driver. pygame PyGame gaming library for python (if installed) has video output. Use it if this is specified. See http://www.pygame.org and the --transparency option. gtk Use the PyGTK library (if installed). See http://www.pygtk.org/ and the --zoom option. -h, --help Display help. --fmt=format This option concerns only the linux audio driver. Set the sound data format. Defaults to S16_NE. You can get a list of supported formats with --fmt=list. --freq=N This option concerns only the linux and windows audio drivers. Set mixing frequency to N (in Hz). Defaults to 44100. -m, --metaserver Connect with the help of the Metaserver (see bubbros-server(1) for more info). Run bubbros-client -m to print a table of currently running servers, pick the the exact IP address and port of the server of your choice from the table, and run again bubbros-client -m host:port. --port TCP=port In conjunction with the -m option, force a specific port on which to listen for an incoming TCP connexion from the remote server. This is only used if a direct connexion to the server fails. A random port number is picked by default. This option is useful if you are behind a firewall but can let TCP connexions on specific ports reach you. --port UDP=port Force a specific port on which to listen for incoming UDP traffic (animation data). Useful if you are behind a firewall but can let UDP traffic on a given port pass through. This is optional: animation data is routed over the TCP link if it does not appear to reach the client. A random port number is picked by default. -s DRIVER, --sound=DRIVER Use driver DRIVER for audio. Valid drivers are: pygame Use the audio capabilities of the PyGame library (http://www.pygame.org). linux Use the linux audio mixer. See the --freq and --fmt options. windows Use the Windows audio mixer. See the --freq and --bitsoptions. off No sounds. --shm=yes, --shm=no This option concerns only the X display driver. Disable or enable the shm (Shared Memory) extension. It is enabled by default and should only be disabled for remote X connections and old X servers. -t Use the TCP protocol. The default is to autodetect the protocol. See the -u option. --transparency=yes, --transparency=no This option concerns only the pygame display driver. Disable or enable transparent bubbles. Enabled by default. Disabling makes game a bit faster. -u Use the UDP protocol. The default is to autodetect the protocol. See the -t option. --zoom=N% This option concerns only the gtk display driver. Scale output by N%. SEE ALSO
bubbros(6) bubbros-server(6) December 7, 2007 bubbros-client(6)
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