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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11
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173 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 ...
4
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23 views

Chrome loses Compose sequences whose last character uses Shift

In Chrome 35.0.1916.153 or 36.0.1985.125, sometimes, my Compose key partially doesn't work. As far as I can tell, combinations whose last character uses the Shift key that don't work. For example, ...
4
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494 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 ...
4
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604 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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15 views

how to use xrandr to mirror just a part of my main screen?

I want to make a mirror of just a part of my main screen to another monitor with different resolution. So it will be necessary to crop the desired area and apply a transformation to fit the screen ...
3
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44 views

Select characters by holding down a key in Linux (like in OSX)

I've been wondering if there's any add on available that does something like Mac OS X. My mother tongue is Spanish, and now I live in a Francophone environment, I also do English a lot, so I'm in need ...
3
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42 views

Keyboard shortcut for horizontal scrolling

Is there a utility I could use to scroll the active window horizontally using the keyboard?
3
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215 views

.Xauthority file is empty

I have been trying to ssh -X to my cluster running OpenSUSE 11.2. It used to work well for me. But now I get this message: X11 connection rejected because of wrong authentication. Failed to open the ...
3
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50 views

Typing punctuation adds an accent to the preceding letter after my laptop is docked for a few minutes

I am running Manjaro XFCE. Everything worked like a charm for months now, but 2 weeks ago the keyboard configuration from my external keyboard seems damaged. Writing on my laptop itself works ...
3
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254 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) ...
3
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218 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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47 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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43 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
votes
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103 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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253 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 ...
3
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151 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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342 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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0answers
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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0answers
7 views

Application that allows to show clipboard contents and its MIME type?

I'm searching for an application that can show me the details of the content of the clipboard. When copying some data into the clipboard, the data is associated with a specific MIME type. Normal text ...
2
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0answers
24 views

Invalid event in x11

I use xscope to monitor X11 protocol. I monitor X11 protocol because I try to fix some focus issue with Swing and MPX. I noticed that following packet is transmitted when focus error occurs. How to ...
2
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0answers
23 views

How to use a separated user with GUI on OpenBSD?

A webbrowser is a GREAT attack vector since people use it to access the "dangerous" internet. Very bad things can come in through to the desktop. So in general for a desktop, we can do the ...
2
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45 views

X11 bad access at first try but working on successive tries

I use the following setup to forward X11 output from my local machine to the server. I will outline the setup: X11 server and the client are on the same local machine. The X11 server runs on my ...
2
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0answers
91 views

Is there any way to resize scale application GUI window?

Is there any way to run an application scaling its GUI window? (Well, I'm using MATE but hope for universal solution). For example, up scale small window of an old game running under wine on ...
2
votes
0answers
69 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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52 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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0answers
77 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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0answers
145 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
votes
0answers
272 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 ...
2
votes
0answers
87 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
votes
0answers
97 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
votes
0answers
168 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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0answers
131 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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0answers
277 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 ...
2
votes
0answers
56 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
votes
0answers
87 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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0answers
147 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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0answers
116 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
votes
0answers
212 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
votes
0answers
177 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 ...
2
votes
0answers
96 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
votes
0answers
879 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
votes
0answers
91 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
votes
0answers
133 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
votes
0answers
360 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
votes
0answers
211 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
votes
0answers
807 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
votes
0answers
307 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 ...
1
vote
0answers
16 views

Awesome WM poor font rendering(thin)

I'm using awesome 3.5 on Fedora 20 and the font rendering on the task bar is really bad: https://i.imgur.com/xTSJ65o.png I have Xft.dpi:96 ...
1
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23 views

Press Alt+< on a Hungarian keyboard (where < requires AltGr)

I use a Hungarian keyboard layout. To type a less-than sign, I have to press: AltGr+í. By default, the Emacs Meta key is set to Alt, so I think I would have to press all of AltGr, Alt and í at once. ...
1
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39 views

xprop -set _MOTIF_WM_HINTS hides maximized window

I want to hide/show the title bar of a window with a key shortcut. So I got this script from a website (of which I don't have the URL anymore): #! /bin/sh -x winid=$(xprop -root | awk ...