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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Play crawl-tiles over SSH from Windows with PuTTY

I have a headless Raspberry Pi running PiBang (swapping to Raspbian soon since PiBang is no longer supported) which I'd like to play Dungeon Crawl Stone Soup over ssh. When I try to run crawl-tiles ...
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Lightest hardware accelerated desktop system

I need a list of lightweight desktop environment that uses hardware acceleration either natively or from being on top of another library like Xlib, GTK+, etc. What I'm actually looking for is a ...
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102 views

xmodmap shift + keycode to produce keysym

There seem to be few examples for how to use xmodmap to bind a modifier + some key, to a new key. E.g. I want to bind left Shift (keycode 50) + ` (keycode 21) to emit a grave accent character: ` ...
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what do i need to do additionally to start X in order to not end in a black screen?

From the xfce desktop environment in Linux Mint, I pressed Ctrl + Alt + Fn in order to get into a virtual terminal, then I stopped the mdm display manager with killall mdm. So far it worked, but once ...
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How can i enter the sudo X command after having killed the mdm display manager?

I was told, in order to just start the x window system, i have to input at the command line: sudo killall mdm. After having done so, my window freezes and i have no further controll, my only option so ...
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how to start into the x window server from linux mint ? [closed]

what do i have to do in the terminal in order to switch all the frontends of the xserver off, just to have the x window system running without any window manager or desktop environment?
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Get X's configuration

I have done some tests with 2 NVIDIA cards (not in SLI) and 4 monitors, with nouveau drivers. Debian 8 testing and Arch are not able to use the 4 monitors at the same time, but somehow Fedora 21 is ...
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144 views

Highlight current mouse position

I'm running a dual-screen setup and have my trackpad disabled most of the time (which includes hiding the mousepointer). When i reenable the trackpad (and display the mouse pointer again), i've lost ...
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How do I install Cinnamon on OpenSuse 13.1 through SuseStudio?

I want to "build" a customized OpenSuse "appliance" via Suse Studio that runs cinnamon. I created a 32-bit template running OpenSuse 13.1 with the following packages installed: For some reason ...
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78 views

Xorg: Connect remote display

I'd like to use laptop's monitor as second display for my main Debian workstation. I need exactly second monitor, but not Debian's X11 on laptop.
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X11: disable Shift+NumpadN outputing N when NumLock is off to have Shift+NumpadHome

I’m using GNOME 3.14.3 on ArchLinux. If I press Shift+Home (regular Home) while the cursor is placed at the end of a line, the line gets selected. That’s expected. If I press just the regular Home, ...
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23 views

What happens in the operating systems when I connect monitor to a VGA port?

I would like to study the behaviour of the Linux operating system when I connect monitor to a VGA port. What exactly happens inside the OS and the Window Manager, which parts of it are responsible for ...
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315 views

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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163 views

SEGFAULT error 4 in libX11 on another X display caused by War Thunder

I read tons of info about performance boosting for linux gaming. One of them is to run games on a separate X server. After hours of search and tries, I ended up with something "working" for most of ...
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2answers
390 views

Unable to start X Server with no screens, no xorg.config to edit

I am trying to start the X server (I have all the packages installed). The problem I am having is that the server is offsite, has no screen and never has had a screen connected to it and as a result ...
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334 views

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 load ...
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84 views

ffmpeg is killed

So I have a problem here. I have a session of ffmpeg -f x11grab running, and suddenly kill -9 or Ctrl+Alt+Backspace comes and GUI dies of course. So far everything seems to be OK. When I try to play ...
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30 views

Run Cygwin software on Linux

My professor has some software that he wrote that runs on Unix-like systems. Either on Windows via Cygwin or on MacOS, it uses X11 on both platforms. Is there any way for me to run it on Linux? He ...
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65 views

How do I make Debian start with IceWM-lite by default at startup?

On a Debian box, I have installed IceWM and IceWM-lite, I'd like it to boot with IceWM-lite by default. So far I have done this through the desktop menu after each boot.
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How do I exit the window manager on the current X display?

Let's say I have the window manager Blackbox running on two different X displays, e.g. :0.0 and :1.0 launched from tty1 and tty2 respectively. From a terminal (emulator), how do I exit (kill) the ...
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61 views

Run full kde desktop remotely on another Linux box?

I have two identical Linux boxes, A and B, both have KDE installed. Sitting in front of the screen of A, I'd like to have B's full KDE desktop appear on A's screen, using X11 (not VNC). Presumably ...
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How do x-compile and install X11 on ARM?

I have FriendlyARM mini210s with bare linux 3.0.8 armv7l. I'd like to install X11 (X-Window System) on top of it. How do I proceed? Is there any ready to use package (tarball to extract onto my ...
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Xauthority problem

User1 has his home directory on NFS that's mounted by machine1 and machine2, both of which are running Redhat 6.4. If I ssh -Y user1@machine1 and run gedit, I get "X11 connection rejected because of ...
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org.freedesktop.consolekit launch failed error 127

I have an old Dell laptop that I've been running Crunchbang 11 x64 from a thumbdrive. The hard drive is dead, but I'm it's been pretty useful, running a Plex server, etc. I'm currently having ...
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60 views

Understanding ssh X11 forwarding

I have a rather odd setup I'm trying to get working. I have an Ubuntu install running in a container (through Proxmox). The host computer is CentOS. Neither server is running an X instance. My host ...
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Java Focres X11 Window Server to Restart

I'm using OpenSUSE 13.2 with openjdk 1.8 and GNOME 3.14 desktop environemnt. Sometimes when I'm using a java GUI application (Swing) the XServer restarts. It just restarts. I don't know why, or what ...
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How to capture a keyboard shortcut

I need a script, that will run in terminal (under X11), and wait for a keyboard shortcut (happening anywhere in the desktop environment), once that shortcut (or key press sequence) happens, it will ...
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43 views

Xmodmap syntax for rebining shift+up

I would like to rebind some keys on Linux via Xmodmap. Left and up cursor on my Acer (yes, I know) laptop have broke. I would like to map shift+down to up, and shift+right to left. Struggling to ...
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225 views

Finding certain X window with Python's Xlib

I am trying to find an unmapped window on my X server in order to map it back and send it some EWMH hint. Because the window is unmapped I cannot use EWMH to ask the window manager directly. So I am ...
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89 views

Force English layout for the «Compose» key pressed

I like using Compose key. The problem is that large part of my text being typed in non-english layout. This means that some symbols messed up, and most isn't even present (i.e. latin characters). ...
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72 views

using script function rather than keyboard input

I'm writing a shell script to change a user's password. I tried to use the passwd command, but that command always asks for the old and new passwords to be typed; it won't accept them from my script. ...
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Change the status of the keyboard leds, from within an X session, without root access

I am trying to force the capslock led on. xset does not work for me, so I am trying to use setleds. In a graphical console, this command returns: > LANG=C setleds -L +caps KDGKBLED: Inappropriate ...
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Change icon for an application form command line?

Is there a way to change the icon of an application's window from the command line? For instance, I'd like to have separate icons for Firefox windows under different profiles (different processes), ...
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Can another program on X capture my root password while I type it in a virtual terminal?

Usually I only install open source programs on my linux box because I don't trust closed source applications. Recently I had to use Dropbox for a university project. I created a separate linux account ...
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Best way to connect to all X displays

In a C or C++ program, what is the best way to connect to all X displays on a computer? I would like to check the X idle time of each display, to determine whether the computer is idle across all ...
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150 views

Logitech G600 mouse issues

I have a problem with my Linux: I plugged an additional hard drive into my computer to finally install linux also on my gaming PC since its way faster. I'm using a Logitech G600 mouse and whenever I ...
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2answers
305 views

how is a keyboard shortcut given to the correct program?

in Ubuntu (or for that matter most other linux distros), I could use the shortcut ctrl+t to open a new tab (in firefox or similar), or I could use alt+tab to make unity switch highlighted window, or I ...
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Forwarding X11 not working - Error: Can't open display: localhost:11.0

LM 17 Xfce OpenSSH_6.6.1p1 Ubuntu-2ubuntu2 Despite googling everywhere, I cannot seem to get this to work. I keep getting this error. $ xlogo Error: Can't open display: localhost:10.0 I have tried ...
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Capture timestamped X mouse events, and render a video with custom mouse pointer?

I am typically using recordmydesktop to record some application interaction; however, on my system, recordmydesktop always shows the same mouse pointer/cursor (the arrow) - regardless if, in reality, ...
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'Present' terminal window on shell/executable command?

Currently using Xfce and xfce4-terminal, but suggestions involving other Linux-based systems may still be helpful. I start a longish-running program in a terminal window, then alt-tab away and do ...
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322 views

Why does Shift+Insert paste from CLIPBOARD in some applications and PRIMARY in others?

How do I paste from the PRIMARY selection (eg. mouse-selected text) with a keyboard shortcut? Shift+Insert inconsistently pastes from PRIMARY or CLIPBOARD, depending on the application. Background: ...
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What is the difference between X11 keymapping and virtual console keymapping

In linux we have X11 which governors keyboard layouts but sadly any changes made there don't affect the system as a whole so in a tty you are left with standard qwerty no matter what your X11 ...
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241 views

Run a script that displays an X window from an udev rule

I found several questions on http://unix.stackexchange.com & on http://stackoverflow.com related to launch script by udev rules. But I can't find exact solution or certain answer for executing ...
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45 views

How do I remove a particular default xterm X11 translation?

I'm using xterm which comes with a set of default translations as enumerated in the man page. To #augment or #override the translations I edit my $XAPPLRESDIR/XTerm file; this works as expected. ...
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390 views

Can't access virtual terminals after manually starting an X server

I'm working on a display manager. When an X server is already started, my display manager works fine and is able to log in a user. However, in order for it to be a proper display manager, it needs to ...
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170 views

vnc: unable to get a shell prompt with the default opened terminal application

i am setting up a vnc server (vnc4server on mint) and i have a default xstartup file in ~/.vnc. i am using twm window manager. when i connect to the vnc server, i can authenticate successfully and see ...
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220 views

Can an X video driver be restarted/reinitialized without loosing the session?

Have been experiencing problems with my laptop display usually brought on by interacting with graphics images in chromium web browser. When it happens the display goes haywire as if the horizontal and ...
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97 views

Cross linux method to detect screensaver or locked screen running

I'm looking for a cross linux method to detect if screensaver (both XScrenSaver and non-XSCreenSaver) is running or if locked screen is up. Bash or c method would be awesome. Can you please help me ...
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222 views

Clone monitor on HDMI without changing laptop display resolution

My laptop's display has native resolution of 1366x768, and I connect it to my TV which has 1920x1080i. My problem is that the only supported resolution for cloning is 640x480, which happens to be the ...
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Method to convert simultaneous key chord / letter key combo into another key?

I'm looking for a method to make simultaneous key presses trigger another, e.g. for the keys W, E, F, pressed simultaneously, to trigger another key press, say, Ctrl+Alt+Esc. My ultimate goal (in ...