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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Creating a complete Wine headless setup

I've have a headless server with X11 Forwarding but a lot of Wine applications fail to start with the following error: Application tried to create a window, but no driver could be loaded. It has to ...
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376 views

Warning: Group GNOME Desktop Environment does not exist

I am still having problems connecting to X server on CentOS 6.5 My mac has it (X server) installed by default and opens no problem and if I command startx it looks for connections but my remote linux ...
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How can I set repeat rate of USB keyboard with udev?

How can I get my keyboard repeat rate to apply to a hotplugged USB keyboard? I made a udev rule to set the keyboard repeat delay and rate, /etc/udev/rules.d/99-usb-keyboard.rules with the following ...
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1answer
245 views

xterm no longer starting as root user on RHEL6

I am totally stuck even after reading both this and this (if it isn't already obvious I don't have much experience with Linux.) I am trying to install WebSphere 8.5 on RHEL6. Everything was going ...
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47 views

Can I make a second mouse/keyboard (virtual) for xdotool to use?

I have a script running a set of xdotool commands. It only uses half of my screen but I cannot use my keyboard or mouse while it is running due to the number of clicks and typing that is executed. Is ...
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83 views

WDM: autologin after boot

I am using Debian Wheezy with wdm and LXDE. I would like to have my user to be logged into LXDE automatically after computer start. I know this is possible with other display managers, such as gdm. ...
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54 views

Compose key works on console/TTY, but not in X session

My compose key does not work in my X session anymore if I change a certain line in my /etc/default/keyboard that (if I am not mistaken) should only affect the keymap of the TTY. I'll try to elaborate ...
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83 views

English Fonts with Persian Glyph

I'm trying to solve this problem for sometime. In the title bar of my web browsers and places like that; If there is a Farsi (Persian) string, it is shown like **** or something similar. I searched ...
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47 views

Keeping copies of the X log file on Debian

I recently tried to replace my Nvidia driver with the Nouveau driver for my Nvidia card, (see Switching from Nvidia proprietary driver to Nouveau driver for Nvidia card on Debian wheezy). ...
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83 views

Gallery of installed fonts

I want to view the fonts that are installed on my system. Specifically, I want the client-side (fontconfig) fonts, not the old-style X11 bitmap fonts. I guess what I'm looking for would be called a ...
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1answer
21 views

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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1answer
35 views

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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57 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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47 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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2answers
699 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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1answer
195 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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2answers
75 views

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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3answers
726 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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1answer
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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332 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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2answers
78 views

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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2answers
858 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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74 views

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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1answer
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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59 views

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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1answer
93 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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1answer
54 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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1answer
49 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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1answer
151 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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70 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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1answer
174 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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1answer
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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1answer
593 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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1answer
405 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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1answer
240 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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2answers
62 views

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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55 views

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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1answer
83 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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1answer
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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93 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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1answer
93 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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3answers
122 views

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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99 views

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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1answer
41 views

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
389 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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1answer
84 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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130 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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1answer
287 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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2answers
2k views

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 ...