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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“No protocol specified” when starting Xorg via lightdm, but works when started directly

To start the X server on boot, use of a display manager such as lightdm seems to be the preferred method. However, if I start X by starting the lightdm service, I get a "No protocol specified" error. ...
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X11 applications over SSH receive bugged keyboard input [on hold]

After ssh -X user@host and launching an application (for example zenmap), keyboard input into the X11 window is broken. Typing 192... appears and functions as erp... Keys show up fine when typing ...
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49 views

Task Automation With .EXE program and Bash Script?

There's a Windows program called Visipics. It finds similar images, not merely duplicates. I find it superior to findimagedupes (I use it with Manjaro and Linux Mint) and competing Windows programs, ...
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Import/Export running GUI applications between localhost and SSH client running x11 forwarding? [duplicate]

I am running a Centos Linux server which I connect to using Putty/SSH with x11 forwarding enabled and an X11 server (Xming) running on the client machine... I am able to open GUI applications from my ...
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1answer
34 views

How can I change an underutilized keyboard key into a modifier key

I have a Korean keyboard that looks like this: Hanja (한자), just to the left of space, is so little utilized even when typing in Korean, yet it's in prime real real estate for my left thumb as an i3 ...
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3answers
758 views

Terminal only as “Desktop”

Is it possible to have a terminal only desktop in Linux (Mint)? I want to boot normally, meaning I want to be able to start GUI programs (IDEs, Browsers etc.), but I don't want anything on the ...
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36 views

ssh proxycommand authentication

I found this on the ssh man page: SSH_ASKPASS If ssh needs a passphrase, it will read the passphrase from the current terminal if it was run from a terminal. ...
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36 views

xterm not loading xresources properly

There are similar questions out there, however, I was not able to figure out the flaws in my .xinitrc file which causes .Xresources not to load. The respective .xinitrc #!/bin/sh [[ -f ~/.Xresources ...
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1answer
28 views

Start a GUI application at reboot

I'm trying to execute my own script (openMonitor.sh) via Cron on startup which opens a local html-file in Firefox and switches to fullscreen by emulating F11: #!/bin/bash sleep 10; export DISPLAY=:0....
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30 views

Creating a specific chrome window and use it as drop-down search window

I am using a simple script runs as "toggle.sh process1" which toggles visibility of process1 if it exists and if it doesn't exist then it launches process1. It is really simple but useful. I use it ...
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2answers
33 views

Trying to compile DWM on Centos 7.2 - missing freetype/config/ftheader.h

/usr/include/ft2build.h:56:38: fatal error: freetype/config/ftheader.h: No such file or directory #include <freetype/config/ftheader.h> I have freetype-devel installed. There are no other ...
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48 views

Enable/Disable X on an established SSH connection

So at my job I SSH from my CentOS machine to other local CentOS machines. We use an application that runs in both X11 and terminal. Some features are available exclusively in terminal and other ...
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Does the Xresources configuration file affect Wayland?

I guess it may be kind of a dumb question, but I'm trying to get more Ubuntu-like font-rendering on Fedora 24 with Wayland and I did add Xft.lcdfilter: lcddefault to /etc/X11/Xresources but I don't ...
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specify X11 or WM property (xprop) when lauching application

I have a x11 gui application running on GNOME (Fedora 24), which by default launches using the light GTK theme. I would like to make it use the dark GTK theme variant, and found that after launching ...
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1answer
52 views

Changing Xvfb frame buffer resolution while it's running

I run Xvfb with command: Xvfb :1 -screen 0 100x100x16 -fbdir /tmp And it's working fine. I can connect via VNC, and now under /tmp directory I have Xvfb_screen0 binary file. I thought it will act ...
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1answer
17 views

Launch a program into a specific xid, (x window id) [closed]

Tabbed gives me a xid to launch a program in, but how?
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1answer
25 views

XOrg-config-files in a bumblebee setup

I've got a notebook with optimus technology (intel GPU + nvida GPU when needed). I had installed bumblebee-nvidia, nvidia-driver and primus, as every tutorial says to remove all xorg.conf files since ...
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Kali won't boot user GUI, xserver won't start, can startx via tty2, How to Solve?

I am having trouble getting Kali (as a vbox guest vm) to boot into GUI after updating to rolling release via dist-upgrade.. It appears to attempt to start X on boot as the screen attempts to resolve ...
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1answer
41 views

gnu screen command for X

The current work flow is like this, a user logs into a session and begins processing. At a later time that user's shift ends. At this point the user is still processing but able to detach from the ...
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28 views

Completely disabling mouse support in QEMU

I'm currently using QEMU for some work involving the VGA console. I'd like to turn off click-to-grab, which constantly triggers when I press CTRL+ALT+DEL (which my host Linux system is configured to ...
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1answer
28 views

remove background with feh?

I use feh to set fixed background (wallpaper) in X (one line in .xinitrc): feh --bg-fill --no-fehbg some_image_file & Is this possible to remove background using feh (or any other tool/command)...
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1answer
16 views

Installing xorg-x11-server-Xvfb broke X and uninstalling it doesn't fix it

I have a user who requested that I install xorg-x11-server-Xvfb to see if he could run Python/selenium headless. Unfortunately, this experiment did not work and normal x2go connections also stopped ...
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1answer
65 views

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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1answer
15 views

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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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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1answer
24 views

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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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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32 views

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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30 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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27 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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1answer
34 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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1answer
24 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
20 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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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
80 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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1answer
24 views

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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36 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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15 views

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-...
2
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1answer
56 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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23 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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0answers
16 views

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
38 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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1answer
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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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91 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
55 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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25 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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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 ...