Questions tagged [x11]

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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Installing GIMP Caused Panic Crash in FreeBSD 12.1, Froze X to Black Screen, Disabled FVWM, and Ruined Console Formatting

[] Advised to bring this over from stackexchange.com and was asked How did I install it? pkg install gimp No ports and nothing from source. What is the state of GTK? No idea where to look for an ...
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Centos-Http connection fails for GUI applications/browser over Xwindows

http proxy is defined inside profile and all cli applications like curl,wget,yum all work fine. When running any browser over Xwindows and setting the proxy through the browser menu or system wide ...
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After system upgrade X server no longer working?

I did a paru -Syu but in the middle of it thought it got stuck and stupidly powered off the machine. Now X server encounters fatal errors and I'm not sure what to do. The machine still works and I was ...
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Debian Jessie to Stretch Upgrade using KDE now X doesn't start automatically?

I upgraded Debian Jessie to Stretch and completed okay, on first boot X with KDE came up fine (with new graphic). I then ran the apt-get --purge autoremove, during that process it said something ...
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Wayland: Execute command in default terminal

In the past, I've been using x-terminal-emulator -e "$COMMAND" to launch commands in a new instance of the default terminal emulator while trying to be as compatible and DE independent as ...
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ssh: why my disabled forward X11 for specific host don't work?

I use an alias for ssh alias ssh alias ssh='ssh -t -K -Y I want to use ssh forwarding X11 except for one host so i did this: vim .ssh/config host myhost port 22 ForwardX11 no ...
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how to pipe Wayland clipboard into an X vnc session clipboard over ssh

I am using Wayland on Arch, and am sshed into a debian server which uses X11. I have a vnc session running over that ssh connection. I would like to take a string that I have stored in my Wayland ...
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GUI executable launched from terminal is missing title bars

I will try to explain. I have a linux installation (openSUSE LEAP 15.3) with KDE installed, but it's only used for very specific situations. Systemd is defaulted to multi-user.target with a kiosk user ...
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GNOME: Automatic window placement according to a set of rules

KDE Plasma has an extremely useful set of features ("KWin Rules") that can automatically apply a number of characteristics (position, size, workspace, etc.) to windows according to a ...
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prime-run: Segmentation fault

When I run any graphical program with prime-run I get the following error: [jomosoto@Jomosoto ~]$ prime-run glxinfo name of display: :0 /usr/bin/prime-run: line 2: 7630 Segmentation fault ...
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How do I change the default Linux console font to Adobe Source Code Pro font semi-bold?

The reason I’m trying to do this is I like the default font called “fixed” on the console, but it’s too small. the only way I’ve found to make the font bigger is to use “terminus”, but that font is so ...
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Linux scrollwheel "Jump back" when I scroll

I have a very frustrating problem, I THINK the real problem is bad hardware, but I have had the problem with multiple brands (including logitech) so I assume the windows driver fix this and thus no ...
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How to know the font name of displayed characters? (X11/Xft)

I want to know the font name of displayed characters on any X application. Of course, I can know the font name by comparing the displayed characters with each font characters, but it takes a very long ...
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Is there a way to get list of windows on KDE Wayland?

In the era of X11, I could do wmctrl -l to list available windows, that I can use in my scripts. $ wmctrl -l 0x01000050 0 my-pc project1 – Readme.md But nowadays most application use Wayland. The ...
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How to add a compose character to a xkb keyboard layout

I created a custom Ukrainian ISO 9 layout successfully (by redacting /usr/share/X11/xkb/symbols/ua and several other files), it works and all but it lacks one letter, namely G with a grave i.e. 'G̀' (...
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Virtual keyboard and physical keyboard, but different languages

I'd like to have active, at the same time, a virtual keyboard (I have installed onboard) and the physical keyboard of my notebook, but with different languages, say Russian (virtual) and English (...
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wmctrl Cannot get client list properties. (_NET_CLIENT_LIST or _WIN_CLIENT_LIST) [Solved]

Fresh Arch install running ctwm. If I do a simple wmctrl -l I get Cannot get client list properties. (_NET_CLIENT_LIST or _WIN_CLIENT_LIST) I've done plenty of minimal arch installs all basically the ...
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Minimize and maximize buttons missing only for certain programs in Pop! OS

Unfortunately, for some but not all programs (Thunderbird, Signal, Libre Office, QGIS) the minimize and maximize were suddenly missing and appear maximized (not full screen. I noticed it suddenly ...
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How to copy/paste between a console and an X session?

What's the fastest way to copy/paste between a non-graphical console (<Ctrl><Alt><F...>) and an X session ? Right now : I select the text with the mouse on the console (I've ...
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Dual GPU xorg.conf ignores XScreen on one GPU and uses xrandr

Dual GPU X11 using xorg to separate workloads and screens. 2 GPU 3 screens/monitors. Basically GPU 0 => XScreen 0.0 => Monitor 0 (left) GPU 1 => XScreen 0.1 => Monitor 1 (center) GPU 0 =&...
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Working with multiple users with X

I have two users and need to switch context very often. Both of them uses some web browser, some terminal and misc. apps that can use graphical environment. I could of course use login/logout but it's ...
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Convert from dual-screen to dual-display

I have a no name SBC similar to Raspberry Pi with 2 physical displays connected to it (one via HDMI and one via SPI). Below is my xorg config which gives me 2 separate X screens: :0.0 and :0.1 ### ...
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Xt error: Can't open display despite xhost and Xauthority configured

I'm attempting to display an X-capable program on another display within a local network. I have an X server running on a host with IP 192.168.4.79, using display :0. I have another host (192.168.4.23)...
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Swap F1 and Ctrl+F1 keys in X Window

I'm used to using F1 for quake-like terminal. But sometimes I would like to use this key in some different applications for its usual purpose. I think the easiest way can be to swap F1 and Ctrl+F1 ...
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Xming X11 forwarding (gedit:3736) Gdk-CRITICAL error connecting Windows 11 machine to Ubuntu 22.04 via

I am trying to X11 forward my Ubuntu 22.04 machine (Raspberry 4 8GB) to my Windows 11 machine on the same network. I went into the /etc/ssh/sshd_config file and uncommented X11forwarding yes and also ...
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X11: can't set custom keyboard layout when pressing Super key

I want to change the default QWERTY layout to colemak layout. I use bspwm with its default sxhkd. I tried setting it in the X11 config file: /etc/X11/xorg.conf.d/30-keyboard.conf: Section "...
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Getting multiple clicks: How can I configure touchscreen touch sensitivity?

We are getting multiple clicks when touching a button. The button closes the window. There is another button in the same place on the window below that sometimes also gets click, though there is ...
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How to get current window class name from script?

In my script I want to do different things depending on current active application. How can I get currently active window class name? There is very similar question: xdotool: How to test if current ...
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Help with xmodmap example from archwiki

This article: https://wiki.archlinux.org/title/xmodmap#Reassigning_modifiers_to_keys_on_your_keyboard Has an example: clear lock clear control add control = Caps_Lock Control_L Control_R keycode 66 = ...
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running xcrysden in wayland

I am trying to run xcrysden (http://www.xcrysden.org/Download.html, the semi-shared version) in fedora 36. First there were some dependencies with libTogl, which I have solved using https://forums....
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The keybindings for tabbed don't work in i3, why?

I have recently changed from XFCE 4 to i3wm and when i tried to launch zathura with tabbed feature like this: nohup tabbed -f zathura -e I get the reader, but when I try to open a new tab Ctrl + ...
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Xauthority file does not exist - so what?

I run X11 programs on a Linux host, displaying remotely on a Mac running the XQuartz X11 server. First of all, this is all on my private LAN so I don't need to tunnel the X connection through SSH, and ...
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blank window with XDMCP between linux and unix

I have a Digital Unix 4.0 emulation running without a display (FreeAXP). I have an X app (Open Genera 2) on this host that I would like to use. I managed to configure both Unix and Linux and I can do ...
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Trigger window resize event manually?

I have a situation where a certain application (VirtualBox) doeesn't correctly resize windows on my tiled window manager. I want to be able to trigger a resize via an event, preferably generically so ...
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Switching automatically from X11 to wayland in RHEL 8

I'm executing a shell script inside profile.d, which needs x11 as the default gnome-session. It works fine when login into system as USER1, but the XDG_SESSION_TYPE is shifting from x11 to wayland ...
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Bash command to detect if system is using dark theme or lgiht?

There's a way in browsers to query if the OS prefers dark theme or light https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme so that a website developer could use that query'...
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condition in .xinitrc not satisfied, don't know why

I have a condition in .xinitrc that is not met, and I don't understand why: I have the .Xresources file in my ~ (with read permissions), and my ~/.xinitrc contains a line with [[ -f ~/.Xresources ]] &...
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Open a dummy X in another X session

How could I open a dummy X session created with the xserver-xorg-video-dummy in another X session, say that one which created display :0? The session is created with the command: $ sudo X :1 -config ...
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xserver not using hotplug keyboard and mouse

I'm using a Linux desktop. My own customized distro, using debian packages, but no systemd stuff. The problem is if I re-plug the USB keyboard or mouse, the X will not respond to them anymore. unless ...
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Add XMonad to SDDM

I have installed arch and KDE. Now I want to test XMonad : I build XMonad with Stack (because for some import I need the source) I create the desktop file in /usr/share/xsessions/ with the right ...
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I seem to have an extra invisible 640x480 screen. Using an NVIDIA GeForce GTX 690

Hello StackExchange! This is my first post on ....well..any forum. So please be kind :) I started using GNU/Linux as my daily driver at the end of summer 2021 so I have a lot to learn still. I've been ...
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xhost not working in combination with aws vpn client

I have a laptop running Windows with a Cygwin X server. On this machine I have a virtual Linux box running under VMWare. I set export DISPLAY=xserver:0 on the VM and do xhost +xclient on the cygwin ...
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Debian No graphics after log-in (only wallpaper) - missing package?

During my install I some packages were not installed due to errors. Graphically, something is missing. Whether using gdm or lightdm, after logging in I am simply presented with the wallpaper image, ...
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Cutter not working over SSH X11 Forwarding

I've got a small SRE lab set up using various Vagrant boxes (VirtualBox backend). I usually work on a Debian or Archlinux box and attach to a Windows box via remote debugging. On my Linux boxes, X11 ...
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How do I turn off my HDMI monitor?

I tried xrandr --output 'HDMI-A-1' --off which puts the screen as black for only a few seconds and doesn't turn anything off. xset -display :0.0 dpms force off does the same except it shows me the ...
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xterm ignores xrdb state unless loaded twice

When I boot up i3, my xterm will be colored and configured as though my Xresources haven't been loaded yet, with default values for everything, but when I query the resource database, all my values ...
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If it is possible to track the "text input state" system-wide? How?

Is it possible to track that system is currently in "text-input state" := when the window that has text input field (or "text input possibility" to be more general) is open now and ...
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Can't start X probably because of NVidia driver

In NixOS, I successfully installed and started both XMonad, and SwayWM a while ago. Since then, I have been using only SwayWM, and all seems good. Now I want to explore more about XMonad and so ...
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xedit fails and exits with fileMenu error

So I am trying to run xedit version 1.2.2 in Termux on my phone. I am using XServer XSDL for my X11 Server. ~ $ export DISPLAY=:0 ~ $ export PULSE_SERVER=tcp:127.0.0.1:4713 ~ $ export XEDIT=xedit-1.2....
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Name of a small program dealing with symmetry groups

I used to play with a small X program dealing with symmetry groups. In a window you selected a symmetry group from a display, in another window appeared a grid of symmetry cells, drawn in thin red ...
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