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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How to compile xbindkeys

I cloned the git repository of xbindkeys using: git clone git://git.sv.gnu.org/xbindkeys.git I want to compile it. How can I do this? Where can I find the compile instructions? What are the ...
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How to move a window from one Window Manager to another running WM? [duplicate]

I use libreoffice on my X11-server and then I want to continue to work on the same text in the same window from another place using VNC. So, it would be nice if it is possible to detach a X11-window ...
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56 views

make terminal real transparent

I want to make terminal transparent.To do this I have to select option Transparent background and move the slider under Background tab from the menu - Edit -> Profile Preferences. It becomes ...
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45 views

How do I configure lynx to pass images to xloadimage, xv or zvg?

I know that it's possible to configure lynx to pass images (PNG/GIF/JPEG/JPG) to xloadimage, xv or zvg and I've looked online (Description of lynx configuration; Use lynx with browser image support ; ...
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675 views

NVIDIA driver upgrade failed

I downloaded the latest(331.49), tried to install, but failed. I compiled the kernel module and at the end of the installation it said that it went successful. But on bootup it said: version mismatch, ...
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186 views

Mod, Meta, Super … keys?

In Window Managers circle there are some technical terms; couple of them are Mod keys and Meta keys. The questions here I am asking are What exactly are those and are they universal across ...
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fake monitor in a headless device

I have a raspberry running headless (no monitor nor TV) I have some programs that need X11 environment to start (but for nothing more) like for instance a midi sampler. I tried forwarding the X11 via ...
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702 views

How can I disable selection highlight auto-copying?

I've finally found myself at home in Linux, but there is still one thing that has bothered me since the start, and I have not found a realistic solution: How do I disable the automatic copying of ...
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52 views

How to pop up “hidden” X application

This is on a RHEL6 system using GNOME (but it happens on Debian as well). I use an application called xchat and if you hide it using the icon in the notification area (as opposed to minimizing using ...
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331 views

ElementaryOS / Specific layout

For switching layouts between three different languages I use Ctrl+Shift but this approach very slowly. I want to use specific combination for the specific layout. Like: English -> Ctrl+Shift+1 ...
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what is the difference between X11 and Xlib?

I am not sure if I have got it right. Xlib is a library to interact with X server. X11 is just another name for X server. Is X server just a single library? if so, why we can't access it directly? ...
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807 views

Why can't I run GUI apps from 'root': “No protocol specified”?

I installed debian onto my machine last night. Now, I don't understand why I can't run GUI apps from a terminal when running as root. For example: sudo -i glxgears Generates the following output: ...
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List/query Open X11 Display Connections?

I am hitting this bug: NEWT errors when closing sketch on Linux · Issue #1651 · processing/processing · GitHub, when using Processing on Linux (Ubuntu 11.04); my messages are: X11Util.Display: ...
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38 views

How can I get `cacafire` to show up in the original gnome-terminal, instead of a separate window?

If I am in a Linux virtual terminal (pressing Control-Alt-F1 on Ubuntu), and I use the command cacafire, I get the flames inside the actual terminal. However, if I am in the gnome environment, and I ...
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xinitrc: starting xterm with tmux causes all windows to share same geometry

I have xterm with tmux open upon startup of X11 with the following line in my xinitrc file: xterm -e tmux & However the -e tmux causes all windows to assume the geometry of the first -geometry ...
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90 views

How to bind super key to Ctrl+Shift using xmodmap?

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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52 views

Keypad plus and minus names in ~/.XCompose

I use XIM under Debian Linux with Gnome 2. Many compose sequences are already defined in the system, including the one for ± sign: palec@Palec:~$ grep PLUS-MINUS ...
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48 views

FVWM HowTo Swallow?

How could I swallow things like xclock, tray and other stuff to FvwmButtons? Is FvwmButtons the only option to swallow this type of things? How to swallow FvwmWinList to FvwmButtons?
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148 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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69 views

How to remove “dead window parts” after GUI errors?

I have experienced this problem with Chrome only (but for quite a while now, different versions) but the question is not about Chrome but about X (I guess). Sometimes (I am not aware of any pattern) ...
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169 views

FVWM 's Windows buttons (Maximize Minimize …), Themes

I'm using the F Virtual Window Manager (FVWM). I'm wondering how to customize the window appearance (the theme) to Add a minimize, maximize, and close button, so I have four buttons, arranged like ...
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1k views

Cannot start xterm over ssh after several successes

I am running some MATLAB scripts on the command-line of a remote computer using ssh. These scripts launch 5 xterms that are forwarded to me via ssh (using the -X option). At the moment I am debugging ...
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571 views

How to get the list of all active X sessions and owners of them

I'm implementing USB plug/unplug notification (here's related question), and I need to execute something like notify-send "device plugged" "My Device Title". The problem is that to make this command ...
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389 views

How do keyboard input and text output work?

Suppose I press the A key in a text editor and this inserts the character a in the document and displays it on the screen. I know the editor application isn't directly communicating with the hardware ...
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238 views

VMD X11 session over ssh

I have a remote compute server on which I would like to run VMD. Every time I start the application, it crashes with the following error report: Info) VMD for LINUXAMD64, version 1.9.1 (February 1, ...
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Adding script to autostart

I have this script: #! /bin/bash xrandr --newmode "1920x1080_60.00" 173.00 1920 2048 2248 2576 1080 1083 1088 1120 -hsync +vsync xrandr --addmode DVI-I-1 1920x1080_60.00 xrandr --output DVI-I-1 ...
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With XenServer, how can I give a PV guest a display?

I have Xen running through XenServer 6.2. I created a PV Debian 7 guest using the built-in template, and chose to install the Gnome desktop environment. However, the guest only has a text console by ...
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81 views

Multiple GUI windows in one (GUI applications windows multiplexer/wrapper)

I was wandering if there are some programs or methods, where I can do something similar like Terminal multiplexer - Wikipedia, the free encyclopedia - except where each region of the "multiplexer" ...
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32 views

logname not working under X session

I would like to find out the name of the user at the end of a sudo-chain. The exact tool for this is logname or also who am i works as well. My problem is that while over SSH or tty1 (Ctrl+Alt+F1) ...
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36 views

Program for choosing computers to run X clients on - what are such programs called?

At my college some 20 years ago they ran HPUX and had several X-terminals (terminals with graphic-cards that ran an X server, but left the running of X clients to the main computer). The college had ...
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88 views

How to configure external USB touchpad for a laptop

I have a laptop that, obviously, comes with a touchpad and a keyboard. However, I have an USB keyboard with integrated touchpad that better suits my needs. I use Ubuntu 13.10 and I cannot find how to ...
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91 views

How to start X program on local display? [duplicate]

I'm ssh-ing into a Raspberry Pi. I would like to start an X program remotely, on the Pi's display. I know you can export DISPLAY to have programs open up on your computer when you ssh-in. But I'm ...
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Why doesn't rc.local run entirely

Here is my rc.local #!/bin/sh -e # # rc.local # # This script is executed at the end of each multiuser runlevel. # Make sure that the script will "exit 0" on success or any other # value on error. # ...
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Desktop environment that just starts a full screen terminal

I have the following xsession file: [Desktop Entry] Name=... Comment=This session will start ... Exec=???? TryExec=??? Type=???? ...
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Command works from a terminal but not in .profile

I included this command in my .profile file: xfce4-power-manager --no-daemon. The .profile runs at startup as expected, but it's unable to run this command (which is the last in the file, so other ...
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2answers
381 views

Map Caps Lock to Control in Linux Mint

I am running the latest version of Linux Mint with Cinnamon. I'm trying to map caps lock to control, but I cannot figure out how to do it. All web searches i've done has lead me to older versions of ...
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83 views

Getting the value of the clipboard

Is there a command to output the current value of the clipboard? Example (this command doesn't exists, it's just an example of what I'm looking for: cat clipboard > Hello world! Also, if the ...
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126 views

Multiple XkbOptions in xorg.conf

how should I write multiple XkbOptions in xorg.conf? I've tried "option,option,option", "option, option, option", "option option option" and none of these worked - only the first option was executed.
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280 views

How to turn on Keyboard Autorepeat permanently on VMware instances of CentOS 6?

In my lab we have about 40-50 machines, all cloned with the same image of CentOS 6. For some reason the keyboard auto repeat function decides to randomly turn itself off. Typically we just have ...
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Cannot connect to X server :0.0 as superuser

When I am online, I get following error and the tool does not start: [root@dhcppc9 lin64]# ./ise No protocol specified _pn: cannot connect to X server :0.0 But everything is OK when I am not a ...
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145 views

How to set up screen resolution permanently

I just installed Fedora 19 on a VirtualBox and when I started it for the first time it only allowed the screen resolution 1024x768 After some research I managed to install the guest additions and I ...
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765 views

ssh returns message “X11 forwarding request failed on channel 1”

When I ssh into a remote server that's not running any type of X11 desktop environment I get the following message. $ ssh user@server X11 forwarding request failed $ ssh user@server ls X11 ...
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64 views

What are the purposes of the different types of XWindows fonts?

In my /usr/share/fonts/ I have four sub-directories categorizing types of fonts: cmap truetype type1 X11 The command fc-list produces a list of them. Are these different categories for specific ...
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158 views

Missing unicode characters

I've just switched from KDE to lightweight slim+xmonad environment and my fonts are not rendering correctly. I use DejaVu font family (default for Debian 7.x) which supports all characters I need ...
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449 views

Install Cinnamon on openSUSE

I would like to install Cinnamon on my openSUSE 13.1 minimal installation. But I've the following Problem. I add te repo install it from Yast/Zypper. sudo zypper ar ...
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40 views

Disable emulated scroll wheel (EmulateWheel) for specific programs

Is it possible to disable evdev's EmulateWheel option when using specific programs? In my use case, I would like to be able to interact with the Acme text editor and with some VMs using my Thinkpad's ...
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191 views

how to send keyboard signal using a shell script

I have an application in graphical interface that when I run it, it's not opened in full screen mode, but when I use the keyboard shortcut Alt+Ctrl+M , it becomes fullscreen, I want to change the ...
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99 views

Xorg Configuration for Unregistered Resolution

I have a monitor with native resolution of 1600*900_60.00, and the intel on board Gen3 Xeon video chipset (i915). when i do $> xrandr the 1600x900 resolution is not in the list. I tried to write an ...
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46 views

configure xscreensaver through X resource database

I want to get rid of the xscreensaver config file in my home .xscreensaver. I read in man xscreensaver, that: Options to xscreensaver are stored in one of two places: in a .xscreensaver file in ...
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Xinerama configuration on OpenSuse

Configuration: OpenSuse 12.3 installed from the Sage Live CD (http://www.sagecommons.org) Latest proprietary NVIDIA drivers Dual GTX580s Four displays (two per card) Displays in a 2x2 arrangement. ...