The X window system (commonly X Window System or X11, based on its current major version being 11) is a computer software system and network protocol that provides a basis for graphical user interfaces (GUI) for networked computers.

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Visible portions of windows not redrawn in some applications

Some applications are not updating of their windows, except when the window is made visible again after having been on a hidden virtual workspace. Clicking on menus results in the opened menu being ...
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Arch Linux can't connect to x server

After installing xfce, and all the x packages, it gives me multiple errors after trying to run startx, the first one is: (EE) AddScreen/ScreenInit failed for driver 0 and then: server terminated with ...
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How terminal emulators handle Shift+FKeys?

This question is inspired by another question on vi.SE. There, OP has issues with the Shift+F8 key combination when running vim inside urxvt. That key combination will never work in vim because the ...
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Run OpenGL application installed by Nix package manager

When I try to run application which uses OpenGL installed or built with Nix package manager, GLX errors shows up: $ /nix/store/p6fwy23nfcadxr4i780knajvmzga17aa-glxinfo-8.1.0/bin/glxinfo libGL ...
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Alternatives to xmove, xpra

A bit of background information: I'm dealing with a piece of software that is part of a larger system. Most pieces of the system have a background process that runs continually, and a GUI that can be ...
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Android SDK on linux with NO GUI

I am working on a cloud based linux server and, sadly, I need to install the android SDK. It seems that the android SDK developers don't really recognize any OS that does not include a gui, as it ...
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Disable Chrome titlebar in X11 without window manager

I am creating a desktop environment to launch a Chromium-based kiosk, with this set of commands: nitrogen --set-centered /usr/share/$name/$name-logo.png --set-color="#ffffff" xset s off; xset -dpms; ...
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Arch Linux - startx works, but prints error

I recently installed Arch Linux (for the first time). I just installed i3 and start it with startx (I think this is part of the xorg package). On startup a message flashes for a split second, but ...
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Desktop environment without greeter

I recently installed Arch Linux (for the first time) and now want to install a Desktop Environment. Since I really like the jus terminal feel and would like to keep a non desktop environment for all ...
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253 views

Is it possible to tweak input from touchpad?

I use a MS keyboard on my Debian machine. The problem is that MS does not ship configuration software for us and touchpad's default scrolling directions are reversed (it uses natural scrolling). I ...
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910 views

Resolving circular dependency hell for libX11 and libXi

I'm trying to install X11 from source. Source files from some repository: libX11-1.6.0.tar.gz libXi-1.7.1.901.tar.gz libX11-1.6.0 paulk@node005:libX11-1.6.0$ ./configure --prefix=$HOME/software ...
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Xorg thinks touchpad is exact pointing device

I finally got Xorg working with LXDE, but I have one tiny problem: Xorg thinks my touchpad is an exact pointing device, such as a touchscreen. That is, coordinates on the touchpad are directly related ...
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setxkbmap switches between 2 out of 3 layouts

Issuing that command: setxkbmap -layout "us,ua,ru" -variant ",winkeys" -option "grp:shift_caps_toggle,grp_led:scroll" -model pc105 -rules xorg When hitting Caps Lock+Shift I'm switching between ...
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Launching application without titlebar and window decorations

I want to launch VLC without the titlebar and window decoration. I'm using the following line to launch VLC: vlc -I dummy --no-video-deco --no-embedded-video test.mpg Unfortunately this doesn't ...
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Display used by screen in utmp

The X window system in a desktop Linux (where just one physical monitor is used) usually uses display 0, screen 0. The output of who in Ubuntu 14.04 is user1 :0 2016-06-15 14:25 (:0) ...
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X11 SSH Forwarding - Unable to resize/move Google Chrome window

I'm running into a problem where I have Chrome being forwarded over SSH from a Ubuntu 16.04 (desktop) to a Xming server running on Windows 7. The Chrome window doesn't seem to be resizable/movable in ...
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How to toggle or turn off text selection being sent to the clipboard

I would like to disable the default behavior that seems to happen with every Linux distribution that I've ever tried that any selected text is immediately sent to the clipboard (Mint, Ubuntu, Fedora, ...
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How to control X11 viewport from an application

Suppose we have an X11 display configured in panning mode. E.g. xrandr --output LVDS1 --mode 1920x1080 --panning 4096x4096 Is there a way to move the visible viewport from a user application (...
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How to manually start an XScreenSaver application in root window (full screen)?

I've downloaded the XScreenSaver collection, to dabble a bit in visual effects, etc. I've compiled mine from source, but they're obviously also available from most distro's repos. Now, every screen ...
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Emulate joystick input via numeric input

I have an arduino which gives me numbers from a potentiometer (300-600), device /dev/ttyACM0 baudrate 9600. I want to use these numbers as a 1-axis joystick. My system is archlinux and X-...
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1k views

Directx application using wine over ssh -x

I'm trying to run a Windows app (Artemis video game - server mode) on my archlinux server. As it is an windows application I have to run it using Wine. As I'd like to be able to launch the server ...
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With SSH X11 forwarding (`ssh -X`), get `Can't open display` trying to run X applications

I'm able to login to sever using ssh -X Hostip but when i run the command xclock it give me this error Error: Can't open display: localhost:11.0 I check my Display value using echo $DISPLAY ...
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What is a windowing system?

Can someone provide me with a very clear and practical example of a "windowing system"? I was reading on Linux, and although I've always known that it's a kernel, I didn't really know what a kernel is ...
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can't start x11vnc without attached monitor

I'd like to setup x11vnc (or any other vnc server) to start at boot-time. The display manager is kdm, the distribution is Ubuntu 12.04.2 LTS. When I try to start x11vnc, I'm getting this errors: $ ...
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Cinnamon failed: desktop only, no panel, no dialog frame

I am using Linux Mint 14 (MATE) with Cinnamon installed. Cinnamon failed when I tried to delete an item on the menu with menu editor. The system froze, so I logged out by pressing Ctrl+Alt+Delete. ...
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How do I screencap another Xorg display?

I started another X session from my current one like so: xinit xterm -- :128 An X session starts in display :128, xterm gets run in it and everything is fine. I switched back to screen :0 (the ...
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Use xvfb to automate X program

I originally posted this question here, but upon second thoughts I decided here was a better place for this. I sadly have to use this proprietary program that bundles a camera driver. I want to ...
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Grid Engine for program that needs X11 but doesn't require user input

I have a bash script that calls an executable (some commercial software) in "batch mode". On the commandline, if X is available the program runs to completion and then quits, but if not the program ...
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Why am I getting this message from xauth: “timeout in locking authority file /home/<user>/.Xauthority”?

While attempting to SSH into a host I received the following message from xauth: /usr/bin/xauth: timeout in locking authority file /home/sam/.Xauthority NOTE: I was trying to remote display an ...
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55 views

notify-send from root cron

On my system, notify-send requires 3 enviorment variables to run, which are kept in a file which is generated automatically on logon: /home/anmol/.env_vars: DBUS_SESSION_BUS_ADDRESS=unix:abstract=/...
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When running some X prog. remotely with ssh -X, it says “libGL error: failed to load driver: r600”

OS: CentOS Linux release 7.0.1406 (Core) Kernel: 3.10.0-123.8.1.el7.x86_64 When I run xcrysden (http://www.xcrysden.org/) remotely through ssh -X, it crashes with error: "libGL error: failed to ...
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Can I change the X rotate the xf86-video-fbdev during execution?

Below is my /etc/X11/xorg.conf.d/1-fbdev.conf. /etc/X11/xorg.conf.d/1-fbdev.conf Section "Device" Identifier "LCD" Driver "fbdev" Option "fbdev" "/dev/fb0" Option "Rotate" "UD" EndSection ...
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Set up remote login to remotely-rendered X-Window with OpenGL / GLX support

How to set up remote login (if possible it would be nice if login worked both from Linux and from MS Windows) to a remotely-rendered X-Window system? The connection (be it VNC, RDP, or something else)...
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Why XInput can't work in X-terminal?

I am trying to show keyboard event by app xinput. I tried on three workstations. On the first two workstations (in local X-session), all is good: Get device list: $ xinput ⎡ Virtual core pointer id=...
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How to setup x11 touchscreen in linux desktop?

I am using opensuse desktop with two screens, top and bottom. Only the bottom screen is touchscreen, which is USB touchscreen. Both monitors are used as a single screen. I tried to configure the touch ...
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No signal on DisplayPort monitor outside of X

I recently switched from HDMI to DisplayPort. Inside X, the DisplayPort monitor works fine. However, before X is started, there is no signal. The same occurs when one switches to a tty via ctrl-alt-...
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Trying to get firefox running on CentOS 6 minimal iso - can't open display

I've got minimal CentOS 6 running on an Oracle VirtualBox on a Mac. I'm trying to get Firefox up and running so I can download some web files into the VM. I installed Firefox (yum --enablerepo=remi ...
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X broken after upgrade to Fedora 23

I recently upgraded from Fedora 22 to 23 via the dnf plugin, and everything else works fine except for graphics. The fglrx module appears to load okay, but the X server crashes when it tries to open ...
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How to bind super key to Ctrl+Shift using xmodmap? [duplicate]

I have read the xmodmap documentation. I could only find information on how to bind one key to another. How do I bind one modifier key to a combination of other modifier keys? Can I do this using ...
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1answer
50 views

How can I run Linux in 256 color

I want to run a Linux distribution in 256 color. Doesn't matter which distribution can do it. I tested Ubuntu 14.04, but it can't run lower than 16 bit. (using /etc/X11/xorg.conf) Which ...
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How can I stop using setxkbmap groups from snagging modifier keys?

I have several different keyboard maps that I can switch between to my heart's content using: setxkbmap dvp Then when I want another one: setxkbmap ptf Etc. This works, but I'd rather use the ...
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Record video and audio from an X windows application

I want to script the following scenario, from a server which I access using SSH. Create a screen at an arbitrary resolution, for example 1280x720. Start an application, that will fill this entire ...
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64 views

Launching X11 server as non-root user

I'm trying to launch an x11 session (or is it an xorg session? I'm not sure) from the command line: startx &. I get the following result: X: user not authorized to run the X server, aborting. I ...
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i3wm / debian accent marks

I have the next problem: I'm using a USA keyboard using that distribution, but I'm a spanish speaker, so I need to configure the keyboard to somehow print the characters I need (é, á, í, ó, ú, ñ, Ñ). ...
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Firefox with X11 Forwarding is not working

I cannot open firefox via ssh: I've tried with: ssh -vvv -X user@192.168.40.21 But it outputs: debug3: send packet: type 50 debug2: we sent a password packet, wait for reply debug3: receive ...
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How to schedule run shell script that opens Firefox [duplicate]

I have the shell script which opens Firefox and launches macros in it (I use a Firefox add-on called Imacros to create macros). The content of my shell script named house.sh is like that: firefox ...
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How does one change the title of any window in X?

I would like to know if it is possible to put an arbitrary name as window title for any application in X or OpenBox. And if it is, How to do it or just a nice link to some documentation which I have ...
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Emacs X11 Forwarding does not work but xclock does

I'm launching a X server with Xquartz (OSX 10.10.5) using Terminal.app, and I'm trying to connect to a EC2 instance with: ##local $ echo $DISPLAY /private/tmp/com.apple.launchd.MO57wSPup1/org....
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How can I find the default (font) resource XTerm is using?

If I launch xterm with its default bitmap fonts and then select the 'Large' font from the 'VT Fonts' menu (via ctrl+right mouse), I get a very usable bitmap font with apparently good Japanese ...
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145 views

X0 does not exist in the directory

winecfg connect /tmp/.X11-unix/X0: No such file or directory Application tried to create a window, but no driver could be loaded. Make sure that your X server is running and that $DISPLAY is set ...