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Display Manager question

  • 10-06-2015 2:59pm
    #1
    Tom Dunne
    Registered Users Posts: 23,212 ✭✭✭✭


    At least I think it is the Display Manager I need to ask about.

    I'm coming up with a student project that will involve a Linux server and a few Raspberry Pi's as thin clients.

    I want the login banner like this:

    vanilla.gif

    displayed from the server onto the Raspberry Pi display. So the Raspberry Pi is logging into the server, not locally to the Raspbian OS. I presume I have to edit a config file on both machines, but I can't seem to figure out what I need to do.

    I've tried various permutations of 'thin client' and 'remote XDM' and so on, but I can't seem to articulate for Google what I am trying to do.

    Any pointers?


Comments

  • #2
    jimgoose
    Registered Users Posts: 20,174 ✭✭✭✭jimgoose


    What about VNC? Found this:

    https://www.raspberrypi.org/forums/viewtopic.php?f=48&t=41845


  • #3
    croo
    Moderators, Technology & Internet Moderators Posts: 1,333 Mod ✭✭✭✭croo


    Don't forget that X is a reversed (to what is normally expected) client-server.
    The system with your screen (the Pi) is the X-Server and the application you call is the client.

    And you are correct xdm is the very basic window manager that looks like the image you posted. I haven't seen it in a while! :)


  • #4
    Tom Dunne
    Registered Users Posts: 23,212 ✭✭✭✭Tom Dunne


    jimgoose wrote: »
    What about VNC? Found this:

    https://www.raspberrypi.org/forums/viewtopic.php?f=48&t=41845

    No, that completely defeats the purpose of what I am trying to do. I don't want to remote control, I want everything to run on the server and display on the thin client through x-windows.

    Also, I will most likely have 10-15 clients connecting at one time, so VNC is not suitable for the job.


  • #5
    deconduo
    Moderators, Computer Games Moderators Posts: 4,281 Mod ✭✭✭✭deconduo


    Are you looking for something like this:

    https://wiki.archlinux.org/index.php/Xdmcp


  • #6
    Tom Dunne
    Registered Users Posts: 23,212 ✭✭✭✭Tom Dunne


    croo wrote: »
    Don't forget that X is a reversed (to what is normally expected) client-server.
    The system with your screen (the Pi) is the X-Server and the application you call is the client.

    Ah, it's all coming back to me now. It's literally been 15 years since I looked at this stuff. Just to add, this is what I am trying to do : http://en.wikipedia.org/wiki/X_terminal

    Of course, back in my day, we used to call them X-terminals. Now you kids call them thin clients.
    croo wrote: »
    And you are correct xdm is the very basic window manager that looks like the image you posted. I haven't seen it in a while! :)

    Yeah, it's been a while. Though I am not necessarily hung up on xdm, it can be any login screen from any display manager, as long as I can emulate the x-terminal/thin client concept.

    I've just stumbled across xdmcp, that rings a bell.....


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  • #7
    Tom Dunne
    Registered Users Posts: 23,212 ✭✭✭✭Tom Dunne


    deconduo wrote: »
    Are you looking for something like this:

    https://wiki.archlinux.org/index.php/Xdmcp

    Bingo. That looks like what I am looking for (as you can see from my previous post about 2 mins after yours).


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