Questions tagged [x-server]

An X server is a program in the X Window System that handles all access to the graphics cards, display screens and input devices.

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What does it mean for the X server to live on a particular tty?

On Linux, how does the X server establish a relationship with a particular tty (such as tty7) so that the X server can receive input and draw on the screen only when that tty is in the foreground? How ...
Brian Bi's user avatar
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5 votes
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Start application using xinit on different tty

I'm using Fedora 21, trying the following: On tty1 is running KDE, just as normal. But to speed up my games/avoid them changing something like gamma, I want to run them on a differnt tty, starting a ...
marius_linux's user avatar
4 votes
0 answers
276 views

Make mouse side buttons trigger virtual keys

I have a mouse with two side buttons. I've posted the output from xev and evtest for both buttons: xev EnterNotify event, serial 37, synthetic NO, window 0x4600001, root 0x306, subw 0x0, time ...
Aroll605's user avatar
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4 votes
1 answer
2k views

Xrandr doesn't scale screen under Cygwin/X and Xming

The preamble: I have a very specific remote X client, that needs fixed resolution. 1280x1024, to say. And my notebook has 1440x900. And Windows aboard. So, the idea is to scale the output of the ...
Ярик Зюлин's user avatar
3 votes
0 answers
562 views

Nvidia driver/X only works on external Monitor [Display Port]

after failing to get Bumblebee to work with my External Monitor (xrandr didn't "see" it), I reinstalled Debian. I a Nvidia Dev Forum tread (don't find it atm) installing the 384 was recommended. With ...
user1402050's user avatar
3 votes
0 answers
1k views

setting up nested X sessions with Xephyr properly (and securely)

I am trying to set up Xephyr properly and securely, so that I can run another (nested) instance of LXDE under a different user inside my primary LXDE session. I would like to use this nested session ...
Martin Vegter's user avatar
3 votes
1 answer
696 views

Startx Segmentation fault error after installing VirtualGuest Additions for Virtualbox

I have been using my backtrack version 5 on the Virtualbox for some time now but I had a resolution problem and after searching found out I better install VirtualGuest additions. However after ...
Nat's user avatar
  • 131
2 votes
1 answer
2k views

How do I correctly transfer xrandr settings to xorg.conf?

I have run multiple xrandr commands to set all my monitors settings as I want them. Then I used autorandr to save the state to a config file printed here: hanke@debian ~ » cat .config/autorandr/3-...
Hannes Knutsson's user avatar
2 votes
1 answer
2k views

AMD Radeon Software Crimson Edition on xserver 1.20

I have Dell Latitude E6540 which has Radeon HD8790M and it runs Debian 10. I wanted to install newest drivers for said video card (becuase games didn't recognize it and I couldn't see it's usage (...
LoipesMas's user avatar
2 votes
0 answers
776 views

Headless OpenGL rendering on Google Compute

I created a GPU instance on Google Compute engine with NVIDIA Tesla K80 attached. I have installed GPU drivers and CUDA based on this guide. nvidia-smi check - ok. nvcc -V check - ok Now I am ...
Michael IV's user avatar
2 votes
1 answer
2k views

Configure Chromium Browser in linux and open in windows using xserver via ssh

I am trying to install chromium browser in linux and start apache on linux. After that I have to open an ubuntu web page in Chromium on my windows machine via ssh using Putty or Mobarterm. Chromium is ...
user2323168's user avatar
2 votes
0 answers
6k views

How to overclock multiple Nvidia GPUs in Ubuntu

sudo nvidia-xconfig -a --cool-bits=28 --allow-empty-initial-configuration ...worked for me! But I don't know why unless order matters. However, even though a monitor, device and screen is laid out ...
Douglas Larsen's user avatar
2 votes
1 answer
2k views

BLFS Xorg: Fatal server error no screens found

I'm trying to build the Xorg X Window System Environment as outlined in Beyond Linux From Scratch Version 8.0. My BLFS system resides in a Virtual Machine using VirtualBox Version 5.0.10 r104061. I ...
Youssif Saeed's user avatar
2 votes
0 answers
87 views

How to block Xwindow screen area from cursor?

I have two monitors configured to have one screen area. I need to forbid any cursor movement for one monitor, while let it freely move across another monitor. How can I do this? I tried using panning ...
Ярик Зюлин's user avatar
2 votes
1 answer
186 views

How (or is it possible) the Linux desktop X-Server from Terminal under an SU otherusername

I have a simple scenario to demonstrate the use-case for this question Login to Linux as currentuser start bash terminal xauth list $DISPLAY mint/unix:0 MIT-MAGIC-COOKIE-1 ...
will's user avatar
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2 votes
0 answers
2k views

Run multiple XServer instances on the same machine on different processor cores

If I have two separate graphics cards (for the sake of discussion, an NVIDIA Quadro K4000 and Quadro K6000), can I run two separate xserver sessions on two different processor cores, keeping the GPU ...
Secundus's user avatar
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2 votes
0 answers
1k views

disable Xserver logging

Is there a way to disable Xserver logging entirely? My Xserver is set up fine, everything is working, I don't need to troubleshoot it and the logfile is absolutely useless for me. The logfiles are ...
Martin Vegter's user avatar
2 votes
0 answers
397 views

So the design of client-server separation is not the bottleneck of X Window?

In the answer of this, it mentioned: People also hear that X uses the "network" and think this is going to be a performance bottleneck. "Network" here means local UNIX domain socket, which has ...
Justin's user avatar
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2 votes
0 answers
701 views

Xorg and Xserver not starting up after hibernate

I'm currently running Mint 14 on this computer, but it also previously happened with Fedora 16 so I'm guessing it's a general problem with my drivers. The display will not start up after the laptop ...
mr mojo risin's user avatar
2 votes
2 answers
823 views

Cursor disappears after login on xubuntu

A friend of mine has moved to linux recently, but he has had an issue with locking his screen, and logging in. His cursor disappears, but it can still interact with the environment. He says that ...
SpecialBomb's user avatar
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1 vote
0 answers
108 views

Arch linux: My display driver chip keeps bricking

I use arch-thinkpad 6.1.7-arch1-1 on Lenovo x390 yoga with Intel WhiskeyLake-U GT2 [UHD Graphics 620]. I also use i3wm on xorg. Something like every two days my built-in screen display goes black ...
Jan Černý's user avatar
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1 vote
0 answers
80 views

Can I make Xephyr toggle user keyboard and mouse?

I need to pilot an X application with my PC, to take scientific measuring. I have an xdotool script which does the job pretty well, but while it's running, I cannot use my PC, which is frustrating and ...
Alessandro Bertulli's user avatar
1 vote
0 answers
207 views

Error : No Valid proxy found in config

I Write an PHP Code for my Project & Getting issue of Error : No Valid proxy found in config I have attached the Screenshot, Someone Have any idea to fix this issue & Add that file in config, ...
Bhavesh Agarwal's user avatar
1 vote
0 answers
325 views

PulseAudio Modules are not properly configured when started on systemd or xsession, but works fine when started from terminal

I'm trying to create some virtual source so that I can virtually have a microphone that is acceptable on all application that cannot directly grab the ".monitor" from my virtual sink. ...
Matthew Developer's user avatar
1 vote
0 answers
227 views

ssh xterm xsession works but other programs error: X11 connection rejected because of wrong authentication

I setup xauth in part enough to get an xterm, xclock, etc. But any other program like gnome-terminal, a browser, still fails to authenticate. The two computers have the same user name and default ID ...
jcalfee314's user avatar
1 vote
0 answers
434 views

Need help configuring Xserver for nvidia-settings (ERROR: Unable to load info from any available system)

first of all I am aware that there are a lot of threads with the exact same problem online, but I was unable to resolve my issue using any of the methods I found. I ran an nvidia bug report script to ...
Machi's user avatar
  • 11
1 vote
0 answers
7k views

Is X server running? xdpyinfo: unable to open display "" on Ubuntu 18.04 server

I'm attempting to start a program that requires rendering a window (Unity Game) on a remote server that doesn't have a display attached to it. I wouldn't want to use ssh -X to forward rendering ...
zkytony's user avatar
  • 111
1 vote
1 answer
570 views

How can I use my Intel GPU in a headless X server?

When OpenGL rendering something using my normal X server, intel_gpu_top shows me that Render/3D/0 is being used (to about 60%). When doing the same rendering on a dummy X server (the xserver-xorg-...
Evgeniy Berezovsky's user avatar
1 vote
0 answers
89 views

Raspberry OS lite, TFT display, Openbox : Cannot init x

I just installed Raspberry OS lite (no desktop environment), plugged a WaveShare 2.8 TFT display in and installed Openbox and the tools below: xorg openbox obmenu openbox-menu menu slim (slim for auto ...
no more sigsegv's user avatar
1 vote
0 answers
100 views

Help with remapping control to escape using xmodmap?

So I'm currently using this to achieve CapsLock + Anykey = Control + Anykey Shift + CapsLock = CapsLock clear lock clear control add control = Caps_Lock Control_L Control_R keycode 66 = Control_L ...
Nimai Patel's user avatar
1 vote
0 answers
541 views

Run X11 programs and render on cloud machine without a physical screen

I am trying to run a program that uses X11 to display (assume xeyes or something similar) on a machine in the cloud (ec2, Compute Engine, etc). I understand that I can get the windows to show up on my ...
Tyler Tracy's user avatar
1 vote
0 answers
400 views

How to configure X server to fill the screen over VNC/noVNC?

I am running an Xfce desktop environment in Docker from here and connected to it using a VNC client and a browser (backed by noVNC) but in both cases the output doesn't fill the screen - or at least ...
dippynark's user avatar
  • 327
1 vote
0 answers
168 views

Issues with Xorg/Xserver

Please note that this system is an UEFI boot system - /sys/firmware/efi exists Initially I was having issues installing i3, eventually installing many drivers until one day it randomly worked. I3 ...
Porapat's user avatar
  • 11
1 vote
0 answers
40 views

Good way to combine a workstation and server?

At work I have a Debian SSH server on which we perform computations (the points is that I can work on it also from home). But it is also my workstation when I'm at work. At the moment I use the ...
Jake B.'s user avatar
  • 143
1 vote
0 answers
717 views

X won't run on certain machines using my custom debian live boot usb

I am workign on writing a custom live boot usb with Debian as base operating system. The goal is for this to run on many unpredictable system configurations. Most computers are failing to run startx ...
2c2c's user avatar
  • 111
1 vote
1 answer
2k views

Render Linux VM applications on Windows Host Xserver

I have a Ubuntu VM on VirtualBox running in headless mode. Host is a Windows 10 machine. I want to be able to render Ubuntu's applications on Windows using XServer. Currently, I tried this: ...
Bhopesh Bassi's user avatar
1 vote
0 answers
215 views

How to prevent switching to a different tty when Xserver starts?

I am working with tty2 because Linux terminates all processes every 30 seconds and Xserver refuses to start. How can I keep tty2 in the foreground while the Xserver can go crazy in background?
neverMind9's user avatar
  • 1,690
1 vote
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992 views

Xorg multiple screen position

I'm trying to setup my three monitor for more like one day and i can't find any solution my target setup When i try to setup this in my nvidia-settings it doesnt work, the primary display become ...
waatz's user avatar
  • 11
1 vote
0 answers
677 views

How can I assign "control" functionality to the right super (windows) key in /usr/share/X11/xkb/symbols/pc?

I am trying to assign "control" to my Super R key in /usr/share/X11/xkb/symbols/pc. So, I change key <RWIN> { [ Super_R ] } to key <RWIN> { [ Control_R ] } Then I start X and use xev ...
René Nyffenegger's user avatar
1 vote
0 answers
1k views

Software rendering mode after Linux Mint update

After I did some security updates, my video display became unstable (it was showing dust when some animations were to be displayed, as if the vidao cable was incorrectly plugged), I did not really ...
jpo38's user avatar
  • 91
1 vote
0 answers
713 views

SSH, opening a remote GUI and swrast error

I tried asking this question in ask Ubuntu, but I got no answer there, but I figure I might be more successful here. I am trying to run a software with a GUI on a server via ssh -Y. The graphical ...
jrglez's user avatar
  • 111
1 vote
0 answers
350 views

Brightness Control missing on Debian 8

I've been using debian 8 from some time, with version 8.9 on dell inspiron 5000 series. Brightness control is missing from the beginning. I don't see brightness controller at all. I installed ...
tired and bored dev's user avatar
1 vote
0 answers
634 views

Splashscreen for embedded Linux

Is it possible to get a normal splashscreen for Linux? I'm trying to show a logo before my application is autostarted with Linux, I've activated this option in kernel, the logo comes after ca. 2 ...
Alex Kiselev's user avatar
1 vote
0 answers
579 views

How is XServer started in Ubuntu 16.04?

I thought that /usr/bin/startx script is used to start XServer but it looks like this is not true. Which process or script starts XServer? XServer has to start before lightdm greeter is visible, but ...
Irbis's user avatar
  • 431
1 vote
0 answers
2k views

Allowing non-root users permission to tty1 for Gnome X-server on Arch

I have Arch installed on my Lenovo T440p, and I'm trying to get the Gnome desktop environment to work. I have edited /etc/X11/Xwrapper.config to add: allowed_users=anybody I made my user and ...
McPedr0's user avatar
  • 75
1 vote
1 answer
71 views

398 Directory server access on fedora

I like to install 389 Directory server on Fedora. For the choice, I can install it on fedora server but fedora server does not come with GUI. Is there anything I can do to run 389 Console on fedora ...
CPMM's user avatar
  • 11
1 vote
0 answers
537 views

How do I use xhost for linking the display of one virtual terminal device to another?

I am currently trying to make an autonomous drone using the Robot Operating System (ROS). To do this, I have installed Raspbian Lite (Jessie) on a Rasperry Pi 3 and am currently using ROS Kinetic on ...
SDG's user avatar
  • 315
1 vote
0 answers
1k views

Why is there a difference between the last and lastlog command records, and why is there no recent login record for user in lastlog records?

While testing the last command on my system I got the following result and could not make sense of the lines with down and crash at their ends, as all seem to be connected to a tty7 login: george ...
George Udosen's user avatar
1 vote
0 answers
175 views

Google Cloud, Gnome via SSH

I'm running CentOS7 via Google Compute and installed Gnome successfully via yum and trying to start the console, but returns this error: xauth: file /home/sublyime/.serverauth.7851 does not exist (...
Sublyime Youknowwho's user avatar
1 vote
0 answers
60 views

How to install remote public X server without compromising machine running it?

I currently have headless rsyslog/network monitoring server which is kind of critical in terms of security and access control. On the other hand this machine stays relatively close to presentation ...
Lapsio's user avatar
  • 1,323