How can you start a desktop session on an xpra display directly without going through a display manager?

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I am able to start an xpra session such as xpra start :100 followed by DISPLAY :100 firefox, but I can't get a desktop session running.



When I try something like DISPLAY :100 startx or DISPLAY :100 startkde I get errors such as couldn't get a file descriptor referring to the console and another such 



startkde: Shutting down... 
kdeinit5_wrapper: Warning: connect(/run/user/1000/kdeinit5__100) failed: : Connection refused
Error: Can not contact kdeinit5! 
startkde: Done. 
 vfclists@pxl6  ~/tmp/xpra  Qt: Session management error: Could not open network socket 
kwin: unable to claim manager selection, another wm running? (try using --replace)


There seems two be a number issues here.



  1. One of them is that startkde tries to use the existing display manager, but I prefer to get directly to the kdesktop itself without having to long to the display manager.


  2. The other is that the session seems to require access to a tty which probably results in the ``couldn't get a file descriptor referring to the console` message.


The main thing is that I am not trying to use the physical devices, but in the manner of x2go or vnc where I use a virtual desktop.



If the failure comes from the desktop session trying to use physical resources how can the session be started to avoid that.






xorg kde5 xpra debian-stretch






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    I am able to start an xpra session such as xpra start :100 followed by DISPLAY :100 firefox, but I can't get a desktop session running.



    When I try something like DISPLAY :100 startx or DISPLAY :100 startkde I get errors such as couldn't get a file descriptor referring to the console and another such 



    startkde: Shutting down... 
    kdeinit5_wrapper: Warning: connect(/run/user/1000/kdeinit5__100) failed: : Connection refused
    Error: Can not contact kdeinit5! 
    startkde: Done. 
     vfclists@pxl6  ~/tmp/xpra  Qt: Session management error: Could not open network socket 
    kwin: unable to claim manager selection, another wm running? (try using --replace)


    There seems two be a number issues here.



    1. One of them is that startkde tries to use the existing display manager, but I prefer to get directly to the kdesktop itself without having to long to the display manager.


    2. The other is that the session seems to require access to a tty which probably results in the ``couldn't get a file descriptor referring to the console` message.


    The main thing is that I am not trying to use the physical devices, but in the manner of x2go or vnc where I use a virtual desktop.



    If the failure comes from the desktop session trying to use physical resources how can the session be started to avoid that.






    xorg kde5 xpra debian-stretch






    share























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      up vote
      0
      down vote

      favorite











      I am able to start an xpra session such as xpra start :100 followed by DISPLAY :100 firefox, but I can't get a desktop session running.



      When I try something like DISPLAY :100 startx or DISPLAY :100 startkde I get errors such as couldn't get a file descriptor referring to the console and another such 



      startkde: Shutting down... 
      kdeinit5_wrapper: Warning: connect(/run/user/1000/kdeinit5__100) failed: : Connection refused
      Error: Can not contact kdeinit5! 
      startkde: Done. 
       vfclists@pxl6  ~/tmp/xpra  Qt: Session management error: Could not open network socket 
      kwin: unable to claim manager selection, another wm running? (try using --replace)


      There seems two be a number issues here.



      1. One of them is that startkde tries to use the existing display manager, but I prefer to get directly to the kdesktop itself without having to long to the display manager.


      2. The other is that the session seems to require access to a tty which probably results in the ``couldn't get a file descriptor referring to the console` message.


      The main thing is that I am not trying to use the physical devices, but in the manner of x2go or vnc where I use a virtual desktop.



      If the failure comes from the desktop session trying to use physical resources how can the session be started to avoid that.






      xorg kde5 xpra debian-stretch






      share













      I am able to start an xpra session such as xpra start :100 followed by DISPLAY :100 firefox, but I can't get a desktop session running.



      When I try something like DISPLAY :100 startx or DISPLAY :100 startkde I get errors such as couldn't get a file descriptor referring to the console and another such 



      startkde: Shutting down... 
      kdeinit5_wrapper: Warning: connect(/run/user/1000/kdeinit5__100) failed: : Connection refused
      Error: Can not contact kdeinit5! 
      startkde: Done. 
       vfclists@pxl6  ~/tmp/xpra  Qt: Session management error: Could not open network socket 
      kwin: unable to claim manager selection, another wm running? (try using --replace)


      There seems two be a number issues here.



      1. One of them is that startkde tries to use the existing display manager, but I prefer to get directly to the kdesktop itself without having to long to the display manager.


      2. The other is that the session seems to require access to a tty which probably results in the ``couldn't get a file descriptor referring to the console` message.


      The main thing is that I am not trying to use the physical devices, but in the manner of x2go or vnc where I use a virtual desktop.



      If the failure comes from the desktop session trying to use physical resources how can the session be started to avoid that.






      xorg kde5 xpra debian-stretch




      xorg kde5 xpra debian-stretch





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