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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84 views

vim/gvim failing to put X11 clipboard in registers “+ or ”*?

Due to the lack of security with standard vino server, I switched to use x11vnc on my linux (with Xubuntu 14.04) box and SSVNC on the windows side. With vino, cut and paste from windows to Linux ...
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497 views

A real non-“better touch tools” solution for select-to-copy on Mac OS X

I recently moved to Mac. I am missing my X11 copy-paste style. I can't find a way to exactly emulate X11 behavior "select-to-copy", "middle-click-to-paste" globally on Mac OS X. I am aware that this ...
3
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77 views

Unable to get NVidia 9600GT working with Kubuntu 14.04

Problem: Nvidia drivers are not loading Hardware: Dell T110 Graphics Card root@madeye:~# lspci | grep VGA 02:00.0 VGA compatible controller: NVIDIA Corporation G96 [GeForce 9500 GT] (rev a1) ...
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104 views

XRandR crops displayed area on certain multi-monitor configurations

I have total of four monitors. One (1680x1050) is connected to integrated Intel display adapter, and three (1440x900 and two 1920x1080) are connected to dedicated ATI display adapter. With certain ...
3
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43 views

Why does selecting text only “copy” it (as in copy and paste) circumstantially?

One of the most user-friendly features of Linux is that highlighting or selecting text will automatically copy it so that it can be pasted upon a middle- click. However, this can also be a point of ...
3
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272 views

Cannot use highest resolution, xrandr does not list mode (Intel GPU, DP to DVI adapter)

I have a screen capable of 2560x1440. It is connected to my Intel NUC with a DP to DVI adapter. My graphics card Since updated my Arch Linux system last week (not sure what was updated exactly) I can ...
3
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28 views

Disabling an Xorg server's extension at runtime (for new clients)?

I have an old Xorg server whose "Render" extension seems to be buggy (if enabled, most of the fonts are invisible, unless hovering over them -- after upgrading the packages with X clients and ...
3
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89 views

Configure third button of a 3M Ergonomic Mouse

I've just bought a 3M Ergonomic Mouse, model EM500GPL, and for pointer movement and left/right click it works fine. But I'd like to know if it's possible to configure the third button to behave the ...
3
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145 views

Change Zombie window X properties from Iconic state to Normal state

Mathematica sets its Documentation Center as an iconic window according to xprop. I think this state might be the culprit for making this window a zombie window, not focusable by the mouse on my ...
3
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325 views

Use Emulated Scrollwheel Instead of Real One X11

So I've got this Kensington trackball that ships with a pretty horrible scrollwheel/touchring doohicky, and only two physical buttons. I'd like to disable the touchscroll entirely, enable 3 button ...
3
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2k views

Alternatives to xmove, xpra

A bit of background information: I'm dealing with a piece of software that is part of a larger system. Most pieces of the system have a background process that runs continually, and a GUI that can be ...
2
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38 views

Priority for “always on top” X windows

I have two windows on my Xfce desktop that need to be open all the time and they are set to always on top. They overlap each other, whenever I click on one of them, that's expected behaviour. Is ...
2
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26 views

Screencast on a virtual monitor

is it possible to create virtual monitor (virtual area) and cast it to LAN? I would like to have something like external monitor, like Miracast, but not mirror. I think it is possible to create ...
2
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37 views

x11 connection established but magic-cookie value different?

From my local machine I ssh to a remote server along with authentication regarding X display. I know that in this process, MIT-MAGIC-COOKIES are used and the value in both server and client needs to ...
2
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20 views

Remapping Left Control <LCTL> in xkb changes behavior of Alt + Left Shift

For some reason pressing any alt key (including <MENU>) together with <LFSH> toggles "Switch windows of an application". This can be turned off by commenting out key <LCTL> { [ ...
2
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120 views

GLX extension not working properly with xvfb

I have an Ubuntu 14.04 system with the following packages installed: libegl1-mesa:amd64 libegl1-mesa-drivers:amd64 libgl1-mesa-dri:amd64 libgl1-mesa-dri:i386 libgl1-mesa-glx:amd64 ...
2
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55 views

Using nvidia-settings over ssh

Now the new nvidia-driver has implemented CoolBits for the newer graphics cards I'm attempting to control fan/clock speed over ssh. When attempting to run anything with nvidia-settings via ssh I get ...
2
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141 views

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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56 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 ...
2
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66 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) ...
2
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87 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 ...
2
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99 views

Xorg Setting checking from Command Line

How do I determined, whether Xorg is using Xinerama, DDC and Reduced Blanking ?? Just adding few options in Xorg.conf is sufficient ? If I have to check from command-line, then how can I check ...
2
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220 views

How can I configure xlock to find fonts?

Is it possible to make xlock to find fonts on my computer automatically? Namely, when I start xlock, it says xlock: can not find font: -*-helvetica-medium-r-*-*-24-*-*-*-*-*-*, using fixed... In my ...
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54 views

Make Compose not compose after certain key presses

On my laptop, I use the Win as a modifier. With the Fn key pressed, the key sends a different keysym and I use that as a Compose key. keycode 133 = Hyper_L keycode 134 = Multi_key add mod4 = Hyper_L ...
2
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76 views

How to set up the login screen to ask for keyboard layout

I just upgraded my distro, now it no longer has a menu to set the keyboard layout in the login screen (gdm). Previously a user could select there icon, then change the keyboard layout (it would also ...
2
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192 views

Running (X) Xfce4 in Debian chroot

I was trying to start Xfce4 in a chroot. The problem is that Xfce4 starts, shows default the UI but the USB keyboard and mouse are not working. My chroot script: #!/bin/bash mount --bind /dev ...
2
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118 views

So the design of client-server separation is not the bottleneck of X Window?

In the answer of this, it mentioned: People also hear that X uses the "network" and think this is going to be a performance bottleneck. "Network" here means local UNIX domain socket, which has ...
2
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113 views

Is there a way to undo VGA adapter modesetting in Linux

I'm looking for a way to reset the graphics adapter to textmode after it has been set to some sort of graphical mode by the kernel on bootup, and possibly used by an X server. Is there any code to do ...
2
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0answers
191 views

How to run two virtual X11 screens on a single monitor?

I would like to be able to emulate a dual monitor set up using a single physical display. Ideally, X11 would be able to treat each left/right half of the monitor as a separate display. Is this ...
2
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171 views

Cyborg RAT mouse with xserver

I got a cyborg RAT3 mouse. This mouse got some problem to work on linux. I'm under lubuntu 12.10. I have searched some solutions on google. I have done this : I created /etc/X11/Xmodmap file, and I ...
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93 views

Alternate screensaver settings on different X instances

On my desktop system, I run two instances of X-- one is associated with the physical screen, one is associated with a virtual screen (a la vncserver). I use the physical one to do things related to ...
2
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804 views

How to setup 3 screens with 2 ATI GPU Debian Squeeze

I want to use 3 screens on my computers with 2 graphics card ATI Radeon HD 5450. I've installed fglrx ATI drivers. Here is the result of lspci : root@dev1:~# lspci | grep VGA 01:00.0 VGA compatible ...
2
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0answers
90 views

xkb config has pointless entry?

I dumped the current xkb configuration with xkbcomp :0 keyboard.xkb and found that, for example, ISO_Level3_Shift has two 'interpret' entries: interpret ISO_Level3_Shift+AnyOf(all) { ...
2
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130 views

xkbcomp doesn't update keymap for running xterms?

When I use setxkbmap all programs use the new layout but when I change the keyboard layout with xkbcomp to my own only newly started programs are affected (using xkbcomp with a file with a default ...
2
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346 views

Pulseaudio/X permission other user/SSH

My user user1 is running a graphical X session with pulse configured per-user. I need to run a graphical program that uses audio with user2. If I do su user2; program program doesn't start and I ...
2
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204 views

No Video Output with DVI to VGA converter

Here's a weird one... so X definitely grabbed all the EDID info from my second monitor, as nothing seems amiss in any output or log. The system responds correctly to enabling output, i.e. xrandr ...
2
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772 views

Security of xhost (local) and sudo xauthority forwarding

Context: launch a GUI application as a linux service. I considered making a headless daemon with a GUI front-end but there is too much code involved to do it now. This service must start on user ...
2
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0answers
290 views

OpenBSD X, mouse only scrolls down

I just got a new OpenBSD 4.8 instance up and running with Xfce. The only issue I'm having is that the mouse wheel only ever scrolls down. When I physically scroll up, X scrolls down. When I do scroll ...
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32 views

External VGA monitor port not working on HP Elitebook 2540p running RHEL 6.5

I'm running RHEL 6.5 on an HP EliteBook 2540p. When I connect the external VGA port to a projector or external monitor and press Fn+F3 to switch to the external port, nothing happens. Under System ...
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18 views

Fedora19 — Mouse pointer suddenly disappears

I'm running a desktop machine with Fedora19, Gnome3, dual monitors (30" left, 27" right). Once in a while my mouse pointer disappears from the primary screen. If I move the mouse to the secondary ...
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0answers
45 views

X11 connection rejected because of wrong authentication — on CentOS, for all users (including root)

I'm configuring a small computing cluster with CentOS. The last step is setting up X11 forwarding, and here I find problems that I cannot solve. On all compute nodes except one, I can set up ...
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39 views

MIT Shared Memory Extension or MIT-SHM over ssh

I successfully created a privileged lxc archlinux container on an archlinux host with lxc. I set up a static ip via dnsmasq and ssh into it and I use xauth to forward X11. I then call programs like ...
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0answers
25 views

Make XServer ignore the mouseclick that woke up monitor from sleep

I have a ARM-Box with a touchscreen, running a Debian variant. Every time I tap the touchscreen, the monitor turns on, but the now visible application receives a mouse click. Can I tell the XServer ...
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116 views

Cannot login on GUI

I'm using Debian Jessie with Xfce and cannot login into the GUI as a normal user, root works. I can login on another terminal. I tried to reinstall lightdm, but I still cannot login. After a login ...
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113 views

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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53 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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44 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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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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70 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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97 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=???? ...