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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Can you run X11 in Emacs?

I'm new to Emacs, and I find it to he very useful, it's almost like a Text UI with tabs and windows and such. And so many applications. Such as IRC, shell, email, and file manager. But there something ...
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Set fixed screen resolution for application in Wine

For example, I've application (game) that has only 640x480 resolution. Now I've 2 options: launch it in window-mode, and will has 640x480 size or enable fullscreen and will fill all screen. What I ...
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XKB: Can I have an eight-level key and have Ctrl participate in selecting it’s levels?

Is there an XKB way to generate a key event, form a normal key combo which includes Ctrl without having the ctrl modifier bit set? Or the same question asked in another way: Can I have an eight-level ...
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31 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
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Recent change causes Shift+Space to do nothing

For years now on Ubuntu-derivatives (right now on 12.04 derivative), I've been able to type all-caps holding the Shift key while typing, not having to remove it for when I need to hit Space. For the ...
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Xorg.bin 100% CPU usage after switching TTY [on hold]

I'm on Arch Linux. After I switch between TTYs, Xorg goes berserk and consumes all CPU (actually just two cores, but it says 99%). It's entirely frozen and I have to kill it via SysRq. Here's my ...
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Can I attach a GUI process to a “surrogate X server”?

I have been in a situation where my desktop has crashed and become unresponsive. (In my case it was the Cinnamon DE, and I have yet to try cinnamon --replace from the commandline, BTW) I was using a ...
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1answer
26 views

how do screenshot / screen grab programs work on POSIX systems running X?

How do screenshot programs such as gnome-screenshot or xfce4-screenshooter get their data? How can they access a stream of the monitor/screen's 2d pixel matrix? Is it possible to stream only a ...
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1answer
381 views

Multiple XkbOptions in xorg.conf

how should I write multiple XkbOptions in xorg.conf? I've tried "option,option,option", "option, option, option", "option option option" and none of these worked - only the first option was executed.
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612 views

Certain fonts missing from xlsfonts in Centos 6.4

I have a certain software on CentOS 6.4 that gave the following error: X Error of failed request: BadName (named color or font does not exist) Major opcode of failed request: 45 (X_OpenFont) ...
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1answer
51 views

unlisted screen resolution

on my new computer I have 2 screens connected on the igpu of a i7 processor, 1 using hdmi. the other using dvi. Both screens are the same but 1 has a wrong resolution inside X, and it can't be ...
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1answer
418 views

Laptop keyboard occasionally stops working

I have a dirty solution that is to plug a USB keyboard in and execute the following command: setxkbmap -rules evdev -layout us -model evdev Afterward my keyboard will work. This solution only ...
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2answers
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Applying mouse settings on startup

linux learner here. (Running on a Debian-derived distro) My mouse sensitivity was too high so I was able to change it, but can't seem to get it to apply on startup. I made /etc/init.d/mouse When I ...
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DISPLAY is not properly set in multi-hop ssh with X11 forwarding

I have a NAT machine on AWS which acts as my gateway to several other servers in a private subnet (where I ssh as root). Using xming and putty I am able to connect to the NAT machine and then run an X ...
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77 views

Bash Script - Wget Graphical Download Progress

I'm trying to port this code from wget + zenity to wget + kdialog. The code with zenity: #!/bin/bash # Start wget | zenity # Note the & at the end of the pipe, this allows the script to continue ...
3
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1answer
637 views

setxkbmap switches between 2 out of 3 layouts

Issuing that command: setxkbmap -layout "us,ua,ru" -variant ",winkeys" -option "grp:shift_caps_toggle,grp_led:scroll" -model pc105 -rules xorg When hitting Caps Lock+Shift I'm switching between ...
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3answers
4k views

Error `No protocol specified` when running from remote machine via ssh

I have a script, simply to run my Graphical (GUI) Application, as below. #cat gui.sh #!/bin/bash ./gui -display 127.0.0.1:0.0 When I run it from local machine (./gui.sh) it runs perfectly ...
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4answers
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Open a window on a remote X display (why “Cannot open display”)?

Once upon a time, DISPLAY=:0.0 totem /path/to/movie.avi after ssh 'ing into my desktop from my laptop would cause totem to play movie.avi on my desktop. Now it gives the error: No protocol ...
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2answers
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Why can't I run GUI apps from 'root': “No protocol specified”?

I installed debian onto my machine last night. Now, I don't understand why I can't run GUI apps from a terminal when running as root. For example: sudo -i glxgears Generates the following output: ...
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how to stop the screen from blanking / blacking out?

I have re-installed Debian 7 (Wheezy) after a while. For the first time, I am using the open-free nvidia drivers (not nouveau) and vesafb for virtual consoles. I cannot, for the life of me, stop the ...
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No xauth data; using fake authentication data for X11 forwarding

Problem: Not able to get to my 389-console (centos 6.6) I have xming setup on my windows 7 laptop. I connect to my kvm server(centos 6.6) using putty and I am able to bring up my virt-manager. This ...
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5answers
299 views

Simple X window manager [closed]

I'm looking for a simple X window manager that : stacks new windows over all others on screen has no window decorations at all (no title, no borders, no min/max buttons) opens all windows in max ...
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1answer
40 views

Which application receives which hotkey? (List X clients which hold key grabs.) [duplicate]

How can I list the X clients which registered for a specific keyboard event (i.e. a key press; a shortcut thing). Those things are called passive key(board) grabs. And the list should contain what ...
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2answers
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How to make gdm3 start X installed in a different path (or running X from a personalized path)?

I've built the entire Xserver from git for testing proposes using the build.sh provided by freedesktop.org as the easier method to compile all modules against the git tree, and installed under the ...
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1answer
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What is xterm's --enable-double-buffer configure option?

When running xterm's ./configure --help there is an option --enable-double-buffer enable double-buffering I've searched the web and came across the X11 Double Buffer Extension, the Introduction of ...
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1answer
464 views

Resolving circular dependency hell for libX11 and libXi

I'm trying to install X11 from source. Source files from some repository: libX11-1.6.0.tar.gz libXi-1.7.1.901.tar.gz libX11-1.6.0 paulk@node005:libX11-1.6.0$ ./configure --prefix=$HOME/software ...
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1answer
23 views

Run an X11 program under Cygwin

How do I set the appropriate DISPLAY environment variable? I try to launch idle in cygwin using the following command: idle ...and I get a display error: _tkinter.TclError: no display name and ...
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2answers
105 views

Grabbing keyboard control in shell script

I have a certain shell (zsh) script which reads one character at a time and performs an action afterwards. In the shell, this is realized by "read -k" in a loop. I want to execute the script as a ...
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1answer
34 views

How to kill app that captures keyboard input for killing the app?

I'm using the i3wm. When I run Open Arena I can't force kill it with Mod+Shift+Q like I can with other apps, I can't restart the wm or anything. Open Arena is stealing the keyboard input. So ...
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0answers
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How to debug what blocks a key sequence in urxvt?

According to this port, i made these configuration in my .Xresources for urxvt: URxvt*keysym.Control-1: \033[27;5;49~ URxvt*keysym.Control-2: \033[27;5;50~ ...
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1answer
780 views

Trying to get firefox running on CentOS 6 minimal iso - can't open display

I've got minimal CentOS 6 running on an Oracle VirtualBox on a Mac. I'm trying to get Firefox up and running so I can download some web files into the VM. I installed Firefox (yum --enablerepo=remi ...
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6answers
16k views

How to get keycodes for xmodmap?

I'm trying to use xmodmap to remap Alt / Super keys on Dell L100 keyboard, and have trouble getting the keycodes. For instance, using xev doesn't give me keycode for Alt FocusOut event, serial 36, ...
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votes
2answers
561 views

How can I save/restore window positions when I undock/dock my laptop?

I have a laptop with a docking station that has a large monitor connected to it. When the laptop is docked, I use the monitor as my primary display, and the laptop screen as a secondary display. ...
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0answers
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How to set an X property that is an array of strings?

$ xprop -root _XKB_RULES_NAMES _XKB_RULES_NAMES(STRING) = "evdev", "pc104", "us", "altgr-intl", "" I can see that this property on the root window contains five strings. But I found no way with ...
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1answer
30 views

What is the default GUI run with “startx” without any desktop environment installed?

While playing around with Ubuntu Server, which does not have any kind of desktop environment installed by default, I did "apt-get install startx; startx", which showed me a console in a white box, and ...
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2answers
55 views

Find out which application listens to specific key bindings? [duplicate]

Is there an application to know which key is bound by which process and therefore not usable in another application?
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1answer
421 views

Boot graphical application straight from Linux bootup (without verbose boot messages and desktop)

Is it possible to boot from minimum Linux core(Linux/Android) to an application (preferably created in interchangeable platform languages such as C# – Mono / GTK / Java / C) without any verbose ...
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1answer
41 views

Setup of touchscreen in Linux

recently I got a touchscreen ELO ts-1515, I'm using Gentoo in a machine with an Intel Atom processor, and my desktop manager is LXDE, I get install X11 server and drivers without any problem, the ...
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1answer
41 views

How to use the '-config' option of `setxkbmap`?

I have a keymap file with this content: xkb_keymap { xkb_keycodes { include "evdev+aliases(qwerty)" }; xkb_types { include "complete+numpad(shift3)" }; xkb_compat { include ...
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3answers
2k views

NVIDIA driver upgrade failed

I downloaded the latest(331.49), tried to install, but failed. I compiled the kernel module and at the end of the installation it said that it went successful. But on bootup it said: version mismatch, ...
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1answer
12 views

extract bounding box dimensions for TrueType font

On Linux, I can easily extract the height / width / ascent / descent dimensions of Xorg fonts via xlsfonts, e.g. $ xlsfonts -ll -fn 9x15 | egrep 'bounds|max' bounds: width left right ...
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1answer
83 views

Some apps doesn't accept some characters from the «Compose» key

The problem is that the compose key works fine, but some application doesn't accept some characters from it. E.g. I can paste the character ∞ in Emacs (Compose+8+8), but this won't work in FireFox, ...
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1answer
31 views

remote connect to RHEL with X server from Windows

I have remote RHEL 7 server. I have Windows laptop. I want to connect to RHEL with UI (X Server). (So far I only have ssh connection using Putty.) What tool should I use?
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1answer
20 views

Mapping key bindings

Background: I got an Acer Chromebook yesterday and I am running Ubuntu on it (I am also somewhat new to Linux). The keyboard does not have dedicated Home and End buttons since in ChromeOS there are ...
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1answer
33 views

How to unload X server / switch to command line and back on the fly

I often need UI to configure my server, even to run Eclipse and work there, but in "production" i want to have only mandatory things running - just command-line and no UI. If I'm running UI on Linux ...
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1answer
34 views

i3 - How can I change the mod key to AltGr and disable it for “normal” input

I'd like to change the mod key to "AltGr" or "the right Alt key. Furthermore I'd like to disable the new mod key for any other input in Linux. So when I am writing text in my text editor I don't want ...
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1answer
41 views

Simulate PrintScreen key press

I want to write a script that changes the window focus, and sends keyboard commands, such as print screen, and arrow keys, to the system. As in I need print screen to capture my desktop, not the ...
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28 views

Xorg: set provider source output in xorg.conf

I've configured quad screen with xrandr commands: xrandr --setprovideroutputsource 1 0 xrandr --output DVI-0 --auto --right-of DVI-1 xrandr --output DVI-1-2 --auto --left-of DVI-1 xrandr --output ...
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1answer
527 views

Remapping power key to delete

I have a macbook pro running Ubuntu 13.10 with FluxBox. Unfortunately, the power button is physically above the backspace where I would expect the delete key to be in. In OS X, the PowerKey program ...
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1answer
7k views

Why does my X11 forwarding attempt fail with “connect /tmp/.X11-unix/X0: No such file or directory”?

On my local machine, I run: ssh -X me@remotemachine.com (For completeness, I have also tested all of the following using -Y with identical results). As expected, this accesses remotemachine.com ...