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Questions tagged [xserver]

Questions about the graphical display server of the X Windows System. This is the process managing the desktop. In various remote desktop solutions (VNC, XDMCP), it has a client role from an end-user view, they do not belong here.

A graphical display server compatible with the X Display Protocol, which is a network-transparent windowing system used commonly in the Unix world. Its official reference (and also most commonly used) implementation is X.Org . Alternatives include Quart/X, Cygwin/X or Wayland.

Responsible for communication with

  • X Clients, these are the GUI programs appearing on the display. X clients can connect it over TCP (if remote) or on unix socket (if local).
  • User input devices (keyboard, mouse, touch screen)
  • 2D graphical display
  • possibly with the 3D accelarator

It also has a specific client which manages windows on the display, the window manager. In maintains also a clipboard.

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Can an X server run without a physical screen?

We need to run an application using the graphic card driver. However the machine does not have a screen. Is it possible to have this running ? Xfvb seems not be an option since it uses software rendering instead of the graphic card driver. Thanks…
rodrigob
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How to create an x server with Singularity

Overall, I am trying to render images using Unity on a remote cluster. The cluster does not have an X server; I don't have sudo permissions, or can start a Docker container, but I can start a Singularity container. My plan is to create a container…
guhur
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Execute X11 program from linux

My college uses a linux os, we can start xserver and then empty gui will appear, i wrote program to display a line, i compiled the code it 's fine. but when i execute the program it shows segmentation fault, how to execute the program in gui??
user767060
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X server intermittent 'connection refused'

I have Linux on Raspi I have set up a while ago, and have been using it via ssh with X server. Lately, it became clear that Raspi cannot handle the apps I am developing and I've switched to WSL on a secondary laptop. Current use case: Using Putty…
Dani Dobre
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Ubuntu 16.04 lightdm segmentation fault

I'm newbie into Linux world, and i have installed Ubuntu 16.04 LTS x64 with graphics driver for Cirrus Logic 5440 graphics card. What happened, I could not start X-server, Lightdm display manager breaks on segmentation fault caused by libc.so.6,…
Alex Zed
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Start Fedora Server MATE Desktop

I wonder if it's possible to start the MATE Desktop when needed and don't set graphical.target as standard. installing MATE Desktop is no problem with dnf group. But startx always says X Server is offline etc... What am I doing wrong?! Sometimes I…
DoubleVoid
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Dri3 and Present extension on client application

I am looking for someone who has experience/knowledge on how to implement dri3 and present extension in client application. My use case will be: I have a dma buffer generated at my application and want to use present extension to render it to…
Kinux
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Connect to X server from the shell

Is there a way to connect to the X server from the .sh script? I tried #!/bin/bash export DISPLAY=:1 BASEDIR=`dirname "${0}"` cd "$BASEDIR" python_header.py but no luck.
Jack
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Removed '/bin/tempfile', now problems with X

I just undeliberately deleted my bin/tempfile, please don't ask why. I experienced no issues, however, after a reboot, I wasn't able to login anymore. When I entered my password and pressed ENTER, I got a black screen, and 2 seconds later the login…
Stefan Wobbe
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XOpenDisplay fails when run from daemon (C language)

i'm working in a simple project on my raspberry pi, which flash some leds in differ ways on some system events (like disk reading, ethernet communications, processor overload), and these leds need to be shut off some time after system is idle (these…
eduardogarcia234
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What periodic event and source (X server generated?) is this GTK app catching every second or so?

The following consists of just a button that when clicked can produce output on the console. (The output is just the value of a local loop counter and a global variable.) EDIT: The point is the code is to investigate how gtk_main_interation()…
SO Stinks
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NullReferenceException while object mapping

I'm trying to map an object (and it has worked before!) however, in this new application it seems to throw a NullReferenceException that I don't seem to understand. Here is the code, can someone solve this issue and explain how this can happen? …
Perfection
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