Xorg is a full featured X server that was originally designed for UNIX and UNIX-like operating systems running on Intel x86 hardware. It now runs on a wider range of hardware and OS platforms.

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Run script after changes in X server geometry

Is there an option to run a given script after the X server geometry is changed (or every invokation of xrandr)?
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How to prevent DPMS from activating when a full-screen window is open?

I am generally quite happy with DPMS screen blanking but for one (rather annoying situation): when playing a game through Wine with a gamepad the screen blanks after a while. I guess that in this case ...
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X11: XRaiseWindow and XLowerWindow do the opposite of what is expected. Why? [migrated]

While trying to implement click-to-focus in my custom window manager, I noticed that windows were lowering when I clicked on them, instead of raising. The lines in question looked like this: ...
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Using xrandr when starting new xserver

I'm trying to set the resolution and refresh rate of a screen when i launch an application on a new xserver. The xrandr commands i usually use to get this screen to work are: xrandr --newmode ...
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Some of fn keys not recognized after upgrade

After upgrading my system (including kernel) I discovered that some of fn keys (XF86MonBrightnessUp and XF86MonBrightnessDown) are not recognized by xev and even showkey. Each time one of these keys ...
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installing emacs with x-toolkit

I am installing Emacs 24.5.0, and I want to install it with X. I am on Fedora. the configuration script cannot find any x-toolkit. How do I find out which one is good for me, and in which folder do I ...
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X11 sessions: when a session starts and ends, does `gdm` run a session?

I'm quite confused with X11 sessions. Namely, I don't understand, when an X session starts: I want to programmatically start an X session with my own bob-session program, analogous to gnome-session. ...
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What are XRuns?

I have read about them several times and encounter them myself when setting the buffer size too low in jack or quitting audio applications. Nobody ever explains though what XRuns are. Can someone ...
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74 views

Problem running Ubuntu on crouton after updating chromeos

I've been running Ubuntu 14.04 using Crouton on a Toshiba Chromebook 2 for several months. Today I exited Crouton and restarted my chromebook. After restarting and issuing sudo startxfce4 in the shell ...
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How to permanently remap caps lock to esc in X11?

I want to remap caps lock to escape in X11 (i.e. pressing the physical caps lock button will be interpreted as esc by applications and esc's behavior will not change). The solution must survive an X ...
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extension GLX missing on display

I have a computer with broken graphics here. It's running openSUSE 13.2 (x86_64). When a 3D application (paraview in this case) starts up it complains: extension "GLX" missing on display ":0". Xlib: ...
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What is the exact command to start the openbox-lxde default session in raspbian?

I am trying to configure my .xinitrc to be able to choose different window managers before starting X but I cannot reproduce the same environment as when I just run startx without a .xinitrc file in ...
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NVIDIA GLX is not working under a Optimus Laptop

First I would emphasize that I am using a Linux From Scratch 7.7 Systemd (Now running kernel 3.14.39) I built these two days, so I don't want to touch anything about glibc/gcc and there is no package ...
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34 views

Turning off part of a monitor

I'm trying to disable the right third of my monitor, since it's broken. I can get less to be displayed using xrandr, but the monitor will then center the displayed stuff, so that's not quite what I ...
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Media key problems with Microsoft keyboard

I have a Microsoft All-in-One wireless media keyboard (n9z-00001) which behaves weirdly with my current distribution, Arch Linux. (Linux 3.19.3-3-ARCH #1 SMP PREEMPT Wed Apr 8 14:10:00 CEST 2015 ...
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Difference between server-side and client-side compositing in Xorg?

xcompmgr provides the following option: -s Server-side compositing with hard-edged shadows. From experimentation, I can say that this is much, much faster than the "client side" options. But ...
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Booting with different X settings

My laptop has the Optimus technology. In order to save battery life I run graphics out of my CPU and only turn the GPU on on occasions using bumblebee. This works relatively well as long as I don't ...
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Xorg configuration hook for unblank screen

Is is possible to execute a command automatically when X comes out of a power saving screen blank? I.e., something that would be triggered when I hit a key/move the mouse to power up the display ...
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How to set up XKB to work with 3 modifier keys and 2 switchable layouts?

Consider the following XKB layout: xkb_keymap { xkb_keycodes { <ESC> = 9; <FK01> = 67; <FK02> = 68; <FK03> = 69; <FK04> = 70; <FK05> = 71; ...
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build X11R7.7 from sources - in which order

Is there an automatic way to understand the order in which individual libraries of the X11R7.7 package should be built when I want to build all of util, lib and xcb?
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General way of debugging vmware mouse issues in X11

I run a virtual vmware archlinux installation, and constantly have problems with mouse grab/ungrab. At some point it was fixed by commenting out pointer lines in 10-evdev config, but on every update ...
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Automatically restarting process in the X server

I would like to know how to have a process that starts with the X server and automatically restarts when it stops running. I am running Ubuntu 14.04 with a KDE 4.13.3 desktop. I am running the ...
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1answer
36 views

How to display a Image on a remote linux machine through ssh

I have two computers, one running windows(WIN7) and the other running linux(SUSe). I'm wondering if there is a way to ssh(Putty) into the linux machine and run a command to have a image display on the ...
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Remapping Num Lock key to function as Caps Lock

As a followup to this question, my Caps Lock key is now mapped to Compose instead. However, it turns out that my 14 month old toddler still manages to turn on Caps Lock from time to time with his ...
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*DM Login problems

I got my laptop battery accidently disconnected, while the laptop was suspended to RAM. And now I'm experiencing these problems: When I'm trying to login to the system using sddm or kdm: after I enter ...
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Issue with “blinking” screen on Ubuntu 14.04 and AMD driver 4.3.12798

I have my Samsung 51" tv hooked up to my desktop computer through a HDMI cable. I have tried a Gigabyte 7950, 7870 and the integrated HDMI port on the motherboard and have the same issue. The issue ...
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multiseat, is it possible to access virtual terminals on any seat?

My current multiseat config works fine, except for one thing : I cant access virtual terminal on either seat. I think it comes from the fact I launch X through my DM (LightDM) with the -sharevts ...
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debian wheezy switches from internal to external monitor after AMD proprietary installation

First I would like to say that this is my first try to set up a linux distribution. With taking Debian 7.8 I was probably over estimating myself. I do have the following video card: lspci -nn | grep ...
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How Are Keys or Keycodes Mapped to X Key Symbols?

I am trying to map a function key combination to an XF86 key symbol. The key combination is Fn+F1, which I was able to use showkey to get the raw keycode for. jason@io ~ $ showkey kb mode was RAW [ ...
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1answer
67 views

Set up multi-head environnement on FreeBSD running X.org

My goal is to set up a multi-head environnement: I need to have an extended desktop available on both screens with the ability to drag and drop windows from one screen to another. The left screen is ...
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1answer
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xorg doesn't detect my AMD Radeon 8600 due “Invalid ATI BIOS from int10, the adapter is not VGA-enabled”

I have a Dell Inspiron 15r laptop with Intel CoreI7 4500u and an AMD Radeon 8600 HD and recently I have installed a Debian Jessie Linux with XFCE desktop. My problem is this: I try to install Fglrx ...
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How to attach keyboard and mouse to another screen?

By default, the X server would attach keyboard and mouse to display 0:0, but how to change it to another screen such as 0:20?
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oxmplayer is on top and blocking every other GUI application

I want to display notifications popups(osd_cat) on my screen while running oxmplayer but it seems that the latter is on top of everything and doesn't allow the notification to appear. I run the ...
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Desktop suddenly becomes unresponsive to mouse (moving/focusing/clicking UI elements)

I have an annoying problem where my desktop suddenly becomes unresponsive to my mouse. This always happens randomly, at random times. Sometimes I can work for hours with no problems, sometimes this ...
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48 views

How to set the monitor brightness gracefully at boot time?

I've been using a loop that contains xrandr --output VGA1 --brightness 0.3 in a bash script which will automatically execute right after logging in by gnome-session-properties (a.k.a. Startup ...
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how to display osd_cat on a remote HDMI Screen [duplicate]

i have installed xosd an used osd_cat to display text in my screen. the problem is that i cant do it on the remote station on the remote screen through SSH. I want to execute osd_cat on the remote ...
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Two monitors work as if they were a single one

I have 3 monitors (1 on an Intel card, 2 on Nvidia). After some magic with xorg.conf they started to work, but the two Nvidia monitors work as if they were a single, wide monitor (any maximized window ...
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Alternative to ffplay for Raw Video Playback without X Windows

I am successfully capturing frames from a small USB IR camera on the small Raspberry Pi Linux board. I am using the 'libseek' code to do this: https://github.com/zougloub/libseek I can see alot of ...
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Samsumg series 3 ChromeOS login offline

I put a Samsumg series 3 Chromebook in Developer Mode I have console, root etc... I have limitations(I can't) to conect this chromebook to internet and login with google. Search in google says that ...
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Persistent configuration of two screens

I want to configure two screens side by side and want the configuration to persist a system restart. (I'm using xfce on Xubuntu 12.) I've inspected old questions and the answers mentioned arandr and ...
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Why does gstreamer-ffmpeg change the fonts for java applications?

I recently installed gstreamer-ffmpeg-0.10.i686 on RHEL 7. As a result of this text in my java program has become slightly larger (maybe 2 or 3 font sizes), which is enough to mess with some of the UI ...
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36 views

xrandr clone monitor autodetect resolution

I want to write a script to clone my current desktop to another monitor, but I can't get the second monitors resolution to be set to the resolution of the primary monitor. How can I automatically set ...
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40 views

Make a key act as a modifier when combined with another key

I want to achieve the following effect: [ Key1 pressed & held, then Key2 pressed & released, then Key1 released ] acts as [ Ctrl + Key2 ] but Key1 pressed and released act as Key1 So, for ...
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118 views

/var/run/dbus/system_bus_socket: No such file or directory

I've been using Linux systems for years now and wanted to try Kali Linux as my next. I've been using Backtrack before as well and never experienced errors. However, I just installed Kali and boot up ...
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1answer
51 views

Thinkpad x201 Tablet, rotating Screen

I am running ubuntu 14.04 on thinkpad x201 tablet. I have tested the tablet modus once and the played a bit with the buttons under the screen (so rotated the screen). But now at the starting the ...
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xinput mouse device: separate x and y sensitivities

I've been trying out a trackball mouse and I find that it is entirely too sensitive, so I tune it down by setting its Device Accel Constant Deceleration to 1.5, I feel like this dials in the X axis ...
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Mapping two joysticks with Xorg

I already managed to map the input of a joystick to keyboard inputs by writing a file in my xorg.conf.d/ directory (the file is named 51-joystick.conf). Now I would like to map the inputs of a second ...
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Separate monitors with separate keyboard and mouse input?

So I was wondering if it would be possible using Xfce and without virtual machines to essentially make one computer act as two by having two monitors with different workspaces and separate keyboard ...
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X protocol errors using lxde on top of Xdmx

I'm trying to setup Xdmx with lxde. Now I have some issues: lxde itself works fine, but as soon as I use it on top of Xdmx, I keep getting various X protocol errors, even when only connecting to a ...
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Xephyr: mouse does not move smoothly

I am using xserver-xephyr in Debian Wheezy. My mouse inside the Xephyr window does not move smoothly. It looks as if the refresh rate was very low. When I move my mouse across the screen, it maybe ...