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.

learn more… | top users | synonyms

1
vote
0answers
23 views

Black screen when visiting some website

I get black screen when visiting some web site on Google Chrome and Firefox. The reproduction of the issue is often. As example, the bug is reproduced when playing some video on youtube When playing ...
1
vote
1answer
16 views

remote X display cannot open

I am connecting from Windows with Putty and XLaunch to a Debian machine version 7.6, I have tried it on other machines and it worked, the problem is the Debian machine itself, not the configuration. I ...
0
votes
1answer
20 views

Start aplication in local desktop from remote SSH [duplicate]

I have an issue for which the work around would be to start the application in X instead of headless. How do I make sure the app is executed on the desktop, even if I run the command from a remote ssh ...
0
votes
1answer
19 views

How to setup a display environment?

I'm using MNE (a program to analyse data) in Linux CentOS 6. I upgraded my system to Linux CentOS 7 and after that I was unable to run MNE GUI. Whenever I started the program I'd get the following ...
1
vote
0answers
6 views

Remap Keys for ALL layouts

I put xmodmap -e 'keycode 97 = backslash' into a script that is executed at startup. My hardware is a Japanese keyboard, so it lacks some keys and has some extra ones and I am trying remap some of the ...
1
vote
0answers
51 views

When was my machine last touched?

It is occasionally useful for me to know when my machine (Debian wheezy) was last touched. To be precise, I mean the more recent of the times I typed on the keyboard or moved the mouse. When I ...
2
votes
1answer
26 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 ...
5
votes
2answers
141 views

annoying message “X11 connection rejected because of wrong authentication” while there is no problem at all

I'm having an annoying problem. When I'm logged in to a specific host via SSH, the message X11 connection rejected because of wrong authentication. occurs three times seemingly random about once ...
3
votes
0answers
16 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 ...
2
votes
1answer
16 views

File manager of common dialogs like Open or Save

Are those dialogs common to most X windows programs, such as open, save as, etc, something that you can tweak? I am trying to reduce my use of the mouse and I find it hard with the default one (I am ...
1
vote
0answers
13 views

Start emacs client on Windows XServer [duplicate]

I have managed to get X-forwarding running to use xemacs on my local Windows machine. Now I can start xemacs from the ssh terminal to my remote linux machine. This results in xemacs running in a ...
2
votes
2answers
71 views

How do I install this script as root in terminal: ./qt-opensource-linux-x64-5.3.2.run?

I need to install qt5 on my system and I can only run it as the normal user. When I try to run it as the "super user" I get this error: root ~ # ./qt-opensource-linux-x64-5.3.2.run No protocol ...
0
votes
0answers
16 views

Why can't an rpm use xterm?

I made an RPM package that uses Xterm during its install. Whenever I installed the package that I made prior to packing into the RPM, the Xterm part of the install worked correctly. I am curious to ...
0
votes
2answers
41 views

Copy a file in Nautilus and use it in a shell command line

Suppose I click on a file in Nautilus. How can I copy the full address to the clipboard, and then easily paste it into a shell command that I'm typing in a terminal?
1
vote
1answer
32 views

“X-Windows failed to start” after removing iceweasel (apt-get purge iceweasel $$ apt-get autoremove)

I use a Debian-based Kali Linux box. After I removed Iceweasel (apt-get purge iceweasel), everything was fine. The system worked. I then installed a newer version of iceweasel (apt-get update ...
0
votes
0answers
27 views

Fedora VNC problem- getting a grey screen with three checkboxes

I have set up VNC using this guide, however, despite all my efforts, I can't seem to progress beyond this stage: with three checkboxes saying "Accept Clipboard from Viewers", "Send Clipboard to ...
1
vote
0answers
17 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 ...
22
votes
5answers
2k views

Why does the X Window System use a server?

I never really understood why a window system must have a server. Why do desktop environments, display managers and window managers need xorg-server? Is it only to have a layer of abstraction on top ...
1
vote
1answer
14 views

A quit command weaker than windowkill?

Typing in xdotool getwindowfocus windowkill currently terminates the active window and bypasses any safeguards like "would you like to save your work?". Is there a weaker command than windowkill I ...
1
vote
0answers
24 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. ...
0
votes
1answer
31 views

Using xcape + xmodmap to change some keys

Using xcape and xmodmap, how does one Make the CAPSLOCK key behave as a SUPER modifier key when pressed in conjunction w/another key. Make the CAPSLOCK key function as the ESCAPE key when pressed ...
1
vote
1answer
42 views

exec -t is invalid

I made an rpm that installs a .run file and whenever I run the rpm and the rpm tries to execute the .run file I keep getting the error that exec -t is an invalid option at the following lines of code ...
0
votes
0answers
16 views

Change default X server to vnc debian

My question is quite simple - I have a Debian Wheezy box running a default X desktop. I have installed tightvncserver but I want to make it my default x server - so that when X starts, instead of ...
0
votes
0answers
10 views

How can I get the same keyboard (dead key) behavior in X as on the virtual consoles? [duplicate]

The problem is described on the Arch linux wiki, but I will repeat it below: I am getting quite frustrated by the handling of the ^ and ~ dead keys on my Belgian Azerty keyboard (vconsole.conf ...
1
vote
1answer
29 views

Dragging and dropping tabs between browsers

When dragging a tab from Firefox to Chrome/Chromium, or the other way, why is it not accepted by the other browser? One would expect the tab that was dragged over to appear together with the other ...
2
votes
1answer
15 views

List of acceptable entries in openbox config (keyboard)

Is there an exhaustive list of the tokens that openbox config xml files recognize for keybindings? e.g. F1 = F1 ... W = Windows C = CTRL I'm specifically interested in how openbox ...
1
vote
1answer
25 views

Different kinds of copy-paste in Emacs under X

From http://stackoverflow.com/a/65473/156458 Let's be careful with our definitions here An Emacs copy is the command kill-ring-save (usually bound to M-w). A system copy is what you ...
4
votes
1answer
42 views

Printing to an X terminal faster than printing to tty?

In Linux Mint 17, I was testing the printing speed of the default ttys versus the speed of a mate-terminal running on Xorg. To test the speeds, I generated a random file: dd if=/dev/urandom ...
0
votes
1answer
77 views

Arch Linux Gnome problem

I have a quite weird problem I just cannot get rid off. I am using ArchLinux and as I am from Germany the german keyboard layout and such. So when I start Gnome via startx it is said that Gnome is ...
14
votes
4answers
479 views

Terminology reconciliation: Display manager vs. session manager, Windowing system vs. Window manager

I am taking the Linux Foundation's Introduction to Linux course. Some of the terminology seems to overlap or contradict, especially when I try to supplement the course material with other sources, ...
1
vote
0answers
43 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 ...
2
votes
1answer
39 views

How to determine which displays are enabled/disabled

I am able to enable or disable my LVDS display using xrandr --output LVDS --auto xrandr --output LVDS --off respectively, but how can I programmatically determine whether the display is enabled? ...
1
vote
0answers
23 views

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 ...
1
vote
0answers
19 views

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 ...
2
votes
2answers
46 views

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.
0
votes
1answer
43 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) ...
2
votes
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 ...
3
votes
2answers
28 views

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 ...
1
vote
1answer
27 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 ...
3
votes
0answers
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 ...
2
votes
0answers
24 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 ...
3
votes
1answer
43 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 ...
1
vote
1answer
62 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 ...
1
vote
0answers
40 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 ...
2
votes
1answer
131 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. ...
2
votes
3answers
242 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 ...
1
vote
0answers
18 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 ...
1
vote
1answer
19 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 ...
3
votes
1answer
37 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 ...
2
votes
1answer
75 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...