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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Disable 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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19 views

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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21 views

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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29 views

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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21 views

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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1answer
17 views

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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24 views

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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1answer
50 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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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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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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17 views

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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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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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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15 views

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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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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1answer
33 views

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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36 views

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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65 views

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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1answer
48 views

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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20 views

How to build GTK2 on the Mac OS X EI Captain?

I tried to build GTK2 to Mac OS X EI Captain from source code. But by the environment variable (INCLUDE?), an error occurred and I failed to build. Please help me by advices? Doesn't someone have the ...
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28 views

Generic multiple monitor layout on RHEL/CENTOS 7

By default, RHEL7 seems to think multiple monitors are next to each other. I need to have them vertically spanned instead of horizontal. I found that modifying xorg.conf or xorg.conf.nvidia to set ...
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111 views

Touchscreen on embedded Linux can't tap / click

I use a 7" display with resistive touchscreen, embedded Linux for ARM CPU. Manufacturer Engicam, design is similar to Freescale / NXP i.MX6 Sabre board. With Yocto 1.7.3 and Engicam board support ...
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1answer
31 views

Is X11 cross-linux-platform and free from platform quirks?

Does X11 work across all linux operating systems? If I code a application that has an X11 window, will it look and operate the same across linux os's or will I have different tweaks I need to perform? ...
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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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1answer
36 views

Forwarding X-windows through a su - session

I'm trying to forward my X windows, but seems to be limited to just on session? What I'm trying to do is invoke x-applications as another user, through a sudo su -. If I know the other user's ...
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12 views

Left-clicks not working for any device in openSUSE Tumbleweed

Okay, so I really am at wit's end here. I had this problem where my left click stopped working randomly. It had happened once before, but I thought it was a non-issue, as the problem manifested when I ...
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1answer
29 views

Cinnamon: Which software project “owns” the “Display” configuration dialog?

Cinnamon 2.8.8 64-bit, Linux Mint 17.3 'Rosa' Menu > Preferences > Display The dialog allows to enable and disable (multiple) monitors, and position them relative to each other with drag and drop. ...
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36 views

how to create an icon button in X11?

I am using x11 library for creating a simple window application in Linux. I want to add an icon button (graphical button) to my app - something similar to this: Are there any instructions on how to ...
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2answers
44 views

How to start x11vnc by socket (ie only when needed)

Actually I start x11vnc in /home/odroid/.config/lxsession/LXDE/autostart with @/bin/x11vnc -bg -forever -shared -rfbauth /home/odroid/.vnc-passwd -noxdamage -norc -noxrecord -capslock -no6 -rfbport ...
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Ubuntu 16 stop lightdm and start xinit/xterm

I am working with Ubuntu 16. I have been able to stop the desktop environment using: sudo service lightdm stop Now I would like to start, from another terminal in a console environment, the X ...
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24 views

SECONDARY clipboard [duplicate]

I know that X has three clipboards. How do I use the SECONDARY clipboard? Is there a shortcut for copying/pasting from it?
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1answer
29 views

X11 multi-pointer, pointer conflicts

In an attempt to continue using my PC whilst automating a GUI application, I have created 2 pointers on my machine using xinput, one being controlled by me, the other by pyautogui. on my system this ...
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1answer
35 views

Closing many gnuplot -persist windows

I just opened more than a hundred persistent graphing windows using gnuplot -persist with x11 on a RHEL desktop. Is there any easy way to close them all? I don't really want to logout/in or click ...
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1answer
38 views

How to change mouse acceleration in X permanently?

I've found this link about how to change mouse acceleration: xinput --set-prop 14 293 1 This works for me. I've tried putting this to my openbox's autostart script, but after some time my mouse ID(...
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1answer
47 views

Remapping Caps Lock for every session

I use the following command to remap the Caps Lock key to Esc: setxkbmap -option caps:escape Unfortunately, I have to type the command every time I create a new session. I tried putting it in my ....
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1answer
44 views

X11 forwarding via SSH and su

For me, it is weird that while using ssh connection with X11 forwarding, a user and root are able to see xclock, but another user is not able to see that. Why? mahmood@cluster:~$ xclock ^C mahmood@...
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How can I map the Caps Lock key to ShiftInsert on xubuntu [duplicate]

For a long time I have disabled my Caps Lock key using xmodmap. However I would now like to map it to something useful, specifically Shift+Insert which does the same as the mouse middle button (if ...
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1answer
11 views

Display RGB database foreground/background combinations

I'm trying to adjust color in X. I seem to recall that there are a couple of utilities available to experiment with foreground/background combination while displaying all the colors. Anybody know ...
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1answer
57 views

Best Graphics over X11 Forwarding

I am currently using Exceed to handle individual X windows being displayed back to my Windows machine and this works flawlessly. I'm using Windows as my Window manager, but I have also experimented ...
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1answer
43 views

restart X11/Xwindows without disconnecting ssh session

Is it possible to restart an X11/Xwindows session without having to exit the server I've SSH'd to? I'm currently using iTerm on OSX, and every so often X11 (I guess) times out (giving me the error ...
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2answers
179 views

Difference between .xinitrc, .xsession and .xsessionrc

I found three configuration files. .xinitrc .xsession .xsessionrc I know that the first one is for using startx and the second and third are used when using a display manager. But what is the ...
3
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1answer
23 views

How to start an app on specific head?

I'm trying to start cheese such that it runs on a specific head on a multi-head display setup. The application options include a --display=DISPLAY setting: $ cheese --help Usage: cheese [OPTION...]...
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33 views

GPU Offloading using wayland and x11

I have a media center pc with a discrete gpu (AMD Radeon R9 270x) and a internal intel graphics and I have some problems with the HDMI-audio output when using ALSA and the Radeon card. HDMI audio from ...
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1answer
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X: Find out if a window is visible to the user i.e. not covered by others

I only want to execute a certain action with xdotool if the window is not visible to the user, this includes minimized windows, but also windows which are 100% covered by other windows (if no ...
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75 views

Using HID compliant mouse like device in ubuntu [closed]

Aim: I have a whiteboard which emulates a mouse. Thus, when you click and drag on the whiteboard it should move the cursor. I want to make a whiteboard work in Ubuntu. It works on windows. Device ...
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2answers
40 views

linux - show image on console / X11 [duplicate]

Is it possible to show an arbitrary image across the console / X11? In essence, I just want the video output to be the image. Is there a way to do that? I would want the console virtual terminals ...
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38 views

Disable CapsLock functionality on short press

Is there any way to make pressing CapsLock effective only on long press? for example it effect only when we press and hold it for half a second? (I'm using ubuntu 14.04)
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2answers
64 views

Keyboard shortcut to paste selected text to SECONDARY clipboard

I am aware that mouse selection and CTRL+C adds content to the PRIMARY and CLIPBOARD X Selections but I need a keyboard shortcut(or mouse) to have the selected text in SECONDARY Selection. Any leads ...