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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Same window size on different monitors

I am using two screens, one is 1920x1080 and the other one is 1280x1024. They have different dpi values, so the second screen is higher than the first one, although having a lower resolution. Is ...
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Wrong keybindings in Dvorak

Using Dvorak as the selected keyboard layout, I find this strange behavior: The copy+paste keybindings in some programs don't work with Ctrl+C and Ctrl+V in the dvorak position, but they work in the ...
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2answers
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stop/restart X server

I want to generate xorg.conf but for that X needs to not be running. How do I stop X or start without it? I tried ctrl + alt + F2 but the X server is still running. I'm running Lubuntu 14.10.
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23 views

Binvox not working on a headless Linux server

I'm trying to run Binvox (http://www.cs.princeton.edu/~min/binvox/) via web server, on an Amazon EC2 server with Nvidia GRID K520 GPU and running Ubuntu 14.04. I'm using the system(binvox, $ret) ...
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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 ...
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2answers
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X11 blank vs dpms off

I've been playing around with the dpms/blanking settings on a version of Linux built via yocto. Something odd I've noticed is that "blank" and "dpms off" both put the monitor to sleep. I had ...
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1answer
18 views

Is possible to change X server without kill client? [duplicate]

My usecase: User opertes on Server1 station. He can use ssh or whatever to connect with Remote Station and start some application on it and display it on his station (Server1). Now user has to change ...
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32 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 ...
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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 ...
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1answer
25 views

Keyboard layout change indicator

I have (and often change) 3 keyboard layouts on my Mint 17/Mate. I would like to see a notification on my screen when layout is changed, e.g. "Switched to English/US". I tried to do it via keyboard ...
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1answer
34 views

Use PSF font in X11 terminal emulator

I want to use a specific console font (/usr/share/consolefonts/Uni3-Fixed16.psf.gz) in a X11 terminal emulator (for example Terminator or gnome-terminal). I've stumbled over similar questions, but ...
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29 views

S-M-* commands aren't recognized by Emacs

I've noticed commands like M-> (end-of-buffer) and M-S-<right arrow> (org-meta-right) aren't being recognized by Emacs. This was confirmed by describing key bindings using C-h k, which showed ...
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1answer
108 views

How to print a bash variable that has an array as value

I wrote a script for my dwm statusbar. One part of it is finding the current cpu usage for every single core on my system. I figured out a way myself but I would need some help fixing a bug in this. ...
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3answers
145 views

How to get cpu usage for every core with a bash script using standard *nix tools

I'm writing a bash script to print system stats to my dwm status bar using xsetroot. Everything works as expected. What I'm currently missing is an easy way that just uses standard *nix tools to give ...
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10 views

xvfb-run aborting on cluster

I'm trying to run a python script with xvfb-run on a cluster using SLURM; when I use an interactive session (srun) it works fine, but when submitting to a queue (sbatch) it aborts/fails without much ...
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1answer
14 views

Remapping WASD + R_Shift to arrows

I know this has already been asked so many times, but even after searching, I still can't do it. I simply want to map R_Shift + WASD to the arrow keys (Linux). I can map Shift + WASD to arrows using ...
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1answer
30 views

How can I overlay lines in a transparent, inactive layer over my screen?

I'm attempting to line up some items on my screen, and it'd be useful to have a mostly-transparent guide as an overlay. Ideally, I would draw a vertical line that persists in the foreground, while not ...
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1answer
34 views

what does *-*-c-*-*-* mean in a font-setting

I often see Fonts being set like this: (e.g. in dmenu or bar-ain't-recursive) -*-terminus-medium-r-normal-*-14-*-*-*-c-*-*-* what does these *-c*-* sign mean? I really don't get it...
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X server started by kdm dies during startup because of keymap couldn't be loaded

I upgraded an OpenSUSE from 11.1 to 13.1, but after the upgrade, the X server refuses to start. If I execute kdm, the X server complains in /var/log/Xorg.0.log file that: (EE) Error compiling keymap ...
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1answer
26 views

tmux blocks certain things on my Mac

I really like tmux and use it often so I set the following in my .zprofile: [[ $TERM != "screen" ]] && exec tmux so when I open a new window, tmux will be there for me. However, there are ...
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1answer
23 views

Browser in Xwayland unresponsive (incl. video)

I use wayland with xwayland and weston and run X11 applications from an xserver that is running in wayland/weston. This includes my browsers, Firefox and Chromium, as they currently cannot run ...
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1answer
12 views

vncserver-x11 binary not found!

In which package I can find vncserver-x11 binary? I installed x11vnc and I found only x11vnc binary.I don't have any package named vncserver-x11 in repository. $uname -a Linux 3.2.0-67-generic ...
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SLIM login manager Causes Urxvt window to loose Transparent/Opacity effect

On Gentoo.... This is strange.... when I start X through SLIM I loose the opacity(transparent look) on my urxvt windows. It's only when I start X through SLIM. If I start X with xinit directly, ...
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30 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 ...
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33 views

Unable to log in. xsession-errors file error

I screwed up my directory. I know I did it but don't know how to fix it. Apparently I was trying to add a new line to the ~/.profile, after using gedit text editor to open it, I added a few lines. Now ...
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37 views

Keyboard shortcut for horizontal scrolling

Is there a utility I could use to scroll the active window horizontally using the keyboard?
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1answer
49 views

Remap keypad keys to modifiers

I did some research but I couldn't find a working solution: How can I make my keyboard buttons: KP_1, KP_2, KP_3 to work exactly the same as Shift_L, Alt_L and Control_L? I use Linux Mint 17 ...
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33 views

Fix X11 forwarding on OSX

I am looking for a way to fix/debug a X11 forwarding session on OSX. Here is my situation: From my mac I connect to a Ubuntu workstation with ssh -X (tried ssh -Y as well). X11 forwarding works ...
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13 views

Linux fullscreening video

So I can only fullscreen some certain sites' videos. Youtube works sometimes as does another (entertainment) site. Both are using Flash, I do not have YT set to use HTML5. Clicking fullscreen ...
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1answer
32 views

.Xresources font names

Many references describing the manipulation of bitmap font face and size for xterm via the ~/.Xresources config file suggest the use of an entry like XTerm.VT100.font: ...
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62 views

How does ssh work when client and host are on the same machine? [closed]

I illustrate my question with the help of docker containers but this example is orthogonal to the rest of the problem. In fact any program that allows the use of bridge interfaces and ssh would do. I ...
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1answer
24 views

X commands do not start from my at job

I'm learning about Linux scheduling commands including at, cron, sleep etc. I'm trying to launch gedit after x minutes via the at command. This is what I have: kedar@i5 ~ $ at now + 1 minute at now + ...
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2answers
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X does not load after debian upgrade [closed]

After upgrading to "jessie" (debian 8) from stable (debian 7), the system hangs at a blank screen (displaying only an underscore at the top left corner), but otherwise displays no error message to ...
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2answers
35 views

Tuning keyboard (dead key) functionality on Gnome

My preferred keyboard configuration is US-International. When I use it on MS-Windows and type certain special characters (i.e., ~ ' ") followed by a, o n I get á ó or ñ as I wish. However when I type ...
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1answer
29 views

unable to open X server with ImageMagick Mac osx

I am trying to display an image using the following: Display someimage.jpeg It returns this: display: unable to open X server `' @ error/display.c/DisplayImageCommand/426. I have been looking at ...
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4answers
79 views

What is X Window System? [closed]

I am new to the Linux environment and really got confused with “X Window system”. So can anyone please tell me what X Window System is and what it is used for?
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1answer
69 views

How to start GUI application with upstart?

I have struggled with this problem for three days and I have tried many ways to solve it but not successful yet. I hope you guys can help me... I have an GUI application. I want to start this ...
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0answers
56 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
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1answer
138 views

How can I get 1080p to work on my TV with HDMI using xrandr?

I'm using Arch Linux on a small HTPC called an Xtreamer, which has an Nvidia GT218/ION graphics card and HDMI out. My television is an Orion DL40-71BK (manual, note everything's in Japanese). HDMI ...
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117 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 ...
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33 views

X11 Path Issues and Confusion for Installed Packages

I am using GMT (generic mapping tools) and SAC (Seismic Analysis Code), and each use X11 (or XQuartz on 10.9.4 Mavericks) to display graphics. When I want to display postscript using ghostview, I get ...
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0answers
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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, ...
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1answer
12 views

XFCE: image as whole applications menu button, not just icon

This is what I want for my applications menu, the whole thing, not just the icon that should sit behind the optional text: What I get when I change the icon is: But what I want is this (edited ...
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1answer
27 views

X11 Issues running with Terminal.app

I am trying to figure out why I can't use ghostscript or ghostview (or any other X11 applications) when I try to call them in the Terminal. I am using bash, and I also used Fink to get the packages I ...
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28 views

Using X11 Displays through Terminal.app commands : generic mapping tools

I am trying to figure out why I can't use ghostscript or ghostview (or any other X11 applications) when I try to call them in the Terminal. I am using bash, and I also used Fink to get the packages I ...
3
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1answer
27 views

xpra attach failure

After entering the command to attach to an xpra session: xpra attach ssh:SERVERNAME:100 we get this response: connection lost: empty marker in read queue Connection lost What does it mean? We ...
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1answer
43 views

LXDE: How to run a program/command when I press one or more keys?

I have a numpad on my keyboard and I want to make the keys do something when (the otherwise useless) ScrollLock is on under LXDE graphical environment. For example, I want to run my browser when I ...
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1answer
73 views

Mapping a key to AltGr with KDE On Ubuntu

Is there a way to Assign AltGr to the right Win key? I'm Using KDE Workspace in Ubuntu 14.04.
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48 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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1answer
41 views

adjusting keyboard sensitivity with kbdrate

The keyboard on my Laptop is too sensitive (when typing, I often type two characters instead of one). I have been googling and found kbdrate. But for some reason, kbdrate does not work properly: # ...