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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8
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3answers
13k 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
132 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
321 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
14 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
1k 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
75 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
124 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
204 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 ...
2
votes
1answer
439 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 ...
2
votes
1answer
320 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 ...
24
votes
6answers
3k 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
77 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
87 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
vote
1answer
392 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
131 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 ...
1
vote
1answer
91 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
65 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
150 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 ...
5
votes
1answer
146 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 ...
9
votes
1answer
1k views

keyboard hard remap keys?

I am trying to find a way to remap keyboard keys forcefully. I tried using xmodmap and setxkbmap, but they do not work for one specific application. Such commands work for other normal ...
0
votes
1answer
829 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 ...
18
votes
4answers
2k 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
607 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
151 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
71 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 ...
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vote
0answers
61 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
11k 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
304 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
27 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
230 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
75 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 ...
8
votes
2answers
143 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
votes
0answers
109 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
302 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
199 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
1answer
107 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
438 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
4answers
5k 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
154 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
166 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 ...
4
votes
1answer
148 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 ...
1
vote
1answer
324 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...
1
vote
1answer
594 views

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 ...
1
vote
2answers
151 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 ...
2
votes
1answer
109 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 ...
0
votes
1answer
74 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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vote
0answers
54 views

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, ...
2
votes
0answers
604 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 ...
3
votes
0answers
122 views

Keyboard shortcut for horizontal scrolling

Is there a utility I could use to scroll the active window horizontally using the keyboard?
1
vote
1answer
416 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 ...