Xorg is a full featured X server that was originally designed for UNIX and UNIX-like operating systems running on Intel x86 hardware. It now runs on a wider range of hardware and OS platforms.

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How to check if EDID can be tusted

read-edid gives me the message "The EDID data should not be trusted as the VBE call failed". Thats okay, but I want to find out, that this data is not reliable, another way, because I can't use ...
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How to configure xorg.conf for widescreen VNC on headless Linux/Ubuntu?

I have a Ubuntu 12.10 Box configured to run headless. I've managed to boot X headless by a lot of trial and error but I still have a glitch: When booting using the monitor, it all works ok, widescreen ...
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800 views

emacs --daemon crashing after closing emacsclient -c

I start emacs daemon with the following commnad. $ emacs --daemon This seems to work. After this I start emacs client as follows $ emacsclient -c Whenever I close the emacsclient, the server ...
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Is there a way to remap the AltGr key to Ctrl with setxkbmap?

I've already checked the option section in /usr/share/X11/xkb/rules/base.lst but I didn't find an entry for AltGr...
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Get current Virtual Desktop - number/name/tag/id?

How to get number and/or name (or tag/id... etc) of currently used virtual desktop ? Command line, scripting, C/C++ solutions allowed (, while portable to C/C++ are preferred). ;) I'm mostly ...
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655 views

Command to re-enable decoration on windows

I'm running openbox, I have accidentally undecorated a window (By clicking on Un/Decorate) Now is it possible to restore the decoration? Since the title is "invisible" now, I have no where to click ...
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377 views

Where does the output from an application started from the window manager go?

If you start an application from a terminal you can see the output to stdout and stderr, but if an application is started from the window manager, where does the output to these files typically go? To ...
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How to make Compose work in GTK and Qt apps?

I used Gnome for a long time, but preferred vanilla X input method (xim) over the default GTK behaviour. I just set GTK_IM_MODULE and QT_IM_MODULE enviroment variables to xim, and didn't have any ...
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What are/were the keys on a Sun keyboard for?

I have a Sun type 7 UNIX keyboard that I'd like to get more productivity out of. So what are those extra keys for, or rather, what were they intended for by Sun? And is there a way to approximate ...
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453 views

Wayland and full-screen apps

Will Wayland, unlike X, be able to "know" about a full screen app, and not fire up the screensaver? I remember reading up on this, and X (or present KWin/Compiz) cannot know or be told when to hold ...
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How do I create a virtual secondary screen in X11?

I'm trying to use xvfb as a secondary screen, but I am struggling getting the two screens working together. xvfb does not seem to have the randr extension. So is there another possibility to create a ...
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353 views

Enable kill X.org with an own key combination

I've just read Enable kill X.org with ctrl+alt+backspace and am really happy, that control-alt-backspace no longer kills my X-Server. However, I'd like to have a way to kill it; it just should be ...
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807 views

`p` key doesn't work in X

Today I had to force-shutdown my machine after it froze during resume from suspend. Since the reboot, I've found that the p key doesn't work normally in X. It does work normally in the console. ...
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2k views

Keyboard macros for X and/or KDE

I'm looking for a utility to record and playback keyboard macros in X applications (KDE specifically). I've tried xmacrorec and xmacroplay, but after running them, my mouse and keyboard does not ...
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1answer
123 views

GNOME recognizes a second monitor once it's plugged in. Does Openbox not?

I'm running Fedora 20 on a small Openbox setup that I'm fond of. I sometimes want to send things through a second display, e.g. plugging into a projector or a television. Given the pretty spartan ...
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Evdev Wheel Emulation on T431s

I have a Thinkpad T431s with trackpoint (the red stick in the middle of the keyboard) and clickpad (a touchpad that also acts as a button). This is the first model that does not provide any dedicated ...
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204 views

Running setuid binary temporarily without setuid?

Currently setting up xpra, which wants to run an X instance as non-root using the dummy driver, but the system Xorg binary is SUID. Since the system auto-updates, I would prefer not making and ...
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682 views

Cannot switch to console anymore after using Alt_R as mod4

I'd like to use the right ALT key as 'mod4' (most notably because, by default, the 'awesome' window manager is using mod4 as a modifier for most WM commands and I like that idea a lot). However I've ...
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2k views

Forwarding X11 over SSH if the server configuration doesn't allow it

Consider a situation where I'm logging in over SSH from machine A to machine B, I have an X session on machine A, and I want to run an X program on B. ssh -X B makes this work transparently. But what ...
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Getting better resolution using X on OpenBSD w/VMWare Fusion

Just setup an OpenBSD 4.8 VM for VMWare Fusion. Can't seem to force X to any decent resolution. I attempted to try and use the VMWare tools for FreeBSD, but no dice. Any suggestions to try and get ...
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245 views

emulate key-combination with xdotool

I am using Xephyr as a nested X server. When I am in Xephyr window and pres the key combination Control_L+Shift_L, Xephyr grabs my input (mouse, keyboard). This grab can be released with ...
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437 views

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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Run X clients over multi-hop ssh tunnel

I've recently converted my home development machine to Linux, and would like to be able to log into it from work if needed. I use a mixture of Linux and Windows machines, and I already have various ...
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How to detect which keyboard device is being used

I'm working on a computer with two keyboards and two users. They are using different layouts. The two keyboards are identical. Their device ID can be found easily with xinput, but when typing we can't ...
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Mouse sensitivity confusion

In my few years of using Linux from using Windows for so long, there have been many new concepts for me to grasp. One of the more obvious seeming mysteries to me is how the mouse is configured in ...
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617 views

How can I make C-m1 emulate a right click?

On Mac OS X, you can right click by holding down control and clicking. I swapped the command and control keys with setxkbmap -option altwin:ctrl_win, but how do I make it right click by holding down ...
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4k views

Is it possible to control which monitor is considered the primary monitor?

I just added a 2nd monitor and I ran into that oh so typical issue where the monitors are swapped. Apparently, the 2nd monitor has been identified as "monitor 0" by X.org, but it's # 2 according to ...
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725 views

Why does monitor stay on when DPMS is enabled?

I am running Mint 13 connected to a Dell U2711 monitor via displayport. When the GDM logon screen is displayed, DPMS does not ever shut down the monitor. If I logon and run $ xset -q I get ... ...
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How do I get sound to work outside lightdm

If for whatever reason I sudo stop lightdm running on mint and just use a simple xinit session with mutter, is there some way I can get sound to work? Whenever I do that, it seems there's no sound.
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xinerama, 2 cards, 3 monitors

I've been trying to get this right and I'm so nearly there, but not quite. This machine has an Intel adapter with one monitor, and an ATI adapter with two. I'm happy to use xinerama to get this ...
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272 views

Xorg key clicks?

I've currently got Fedora 9 on my home PC (yes, I know its quite old - but hell I only reboot it every 6 months - nevermind upgrading!) . My only niggle is that keyboard I've got has quite a different ...
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Xorg Server Failing to Startup

I am having difficulty starting up the Xorg server within my Gentoo installation. I set it up via The X Server Configuration HOWTO. When I get to the part where I startx, the screen flickers a bit, ...
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Multiseat with one card and two Xorg instance

Is it possible to set up a multiseat environment with one graphic card and two Xorg instances? That is, one machine with a monitor/keyboard/mouse for the first Xorg instance and a second ...
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143 views

Xorg - ignore first click event when resuming from Screen Blanking

Is it possible to somehow configure xorg to ignore the first mouse click when screen blanking is enabled ?? The reason is I have a touch screen in an embedded arch linux application which remains ...
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How to disable select-on-release right mouse button in Linux [duplicate]

We are having issues with mouse behavior in Linux. In Windows: In any application, to open a context menu and select an option: right mouse button down + release move the cursor to an option left ...
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How to disable graphical shell?

I have a Linux system (Ubuntu) running in a VM, but now I want to disable the graphical shell. Where in the startup process are the graphical components launched? Is it some run-level dependent ...
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Howto find my xorg.conf. Where is it?

I can't find my xorg.conf. There is no xorg.conf file by default in Ubuntu 11.04. If I run: "whereis xorg.conf" I am seeing: xorg: /usr/lib/xorg /usr/lib64/xorg /usr/include/xorg may be I just can ...
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Why .Xauthority needs not to be owned by the root account in order to get past login?

I've just got the same problem from here, and solved it using what was stated in the first answer (akonsu's one). However, I would love to know why ~/.Xauthority needs not to be owned by the root ...
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Configuring mouse for right+left button simulating middle click (for copy/paste)

I was using the mouse copy-paste extensively, until recently, when some OpenSuSe upgrade reconfigured this on all my machines. Now the scrollbuton is the one to paste (which I hate, since it's hard to ...
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Xorg increases cpu usage over time

I've had quite a strange phenomenon with Xorg for some time now: After logging in to my laptop (specifics below) the cpu consumption of Xorg increases monotonically, even if the computer is idle and ...
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Is there a way to find all X resources an application uses?

I'm looking for a way to automatically list all X resources that are used in an application. To give you an example, for xterm I'd expect a list similar to the following but with all the resources ...
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SSH - How to make X applications run on client?

I have the reverse problem that most people seem to be having. If I start an X application while logged into ssh, it displays on the server(host) machine instead of the client(local). This is the ...
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446 views

Run a different window manager in a specific workspace in XMonad

I usually use XMonad as window manager. When playing around with GUI programming I sometimes just want to see how the windows would look under Compiz for example. So is it possible to run another ...
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562 views

How to list all running X applications?

I'd like to get a list of all of the apps (across all users) on my machine that are talking to the X server. What's the most reliable way to do that? Find the socket X runs on and lsof for connections ...
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Screenshots from multiple Xservers

I want to take screenshots simultaneously from multiple X servers on one desktop PC. I have multiple users logged in different terminals (tty1, tty2, tty3, tty4) who start multiple Xservers with ...
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Disabling X server on Fedora 17

How can I prevent the X server from starting up on Fedora 17? In older versions the user should edit /etc/inittab but in this version (I didn't check this on previous versions) Fedora uses some other ...
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touchpad's click isn't working on Arch installation with Gnome

The touchpad's click isn't working(doesn't click when tapped) on my Arch installation with Gnome; I've already installed xf86-input-synaptics. Does anyone know how to fix this?
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Where do X error messages go?

If I start an X application from a terminal, the error messages go to the terminal. If I start them from a GUI, where do the error messages go, or alternatively how are they dealt with?
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get xautolock status

I'm currently using xautolock to automatically lock my screen with slock. However, when I'm watching a movie, I certainly don't want my screen to go black suddenly. I read the manpage and saw that ...
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509 views

Remotely turn off display output?

I'm using x11vnc and SSH to tunnel VNC remotely to my local machine. One of the interesting side-effects of this is that as I use my work computer from home, my coworkers will see me moving around ...