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
16 views

How do I track why X11 keyboard shortcuts don't work?

I am on Arch Linux. I am completely stuck trying to figure out why some of the key combinations work on regular DELL 101 key usb keyboard in X11, but not on the mechanical gaming one. I have 2 ...
3
votes
3answers
531 views

Have to reinstall NVidia driver on every reboot

I am having an issue with my Nvidia driver after the latest update. Now, Every time I reboot the machine there is some conflict between two different version and I have to reinstall the driver before ...
5
votes
3answers
63 views

How to kill all open windows?

I want to close all windows appearing on my desktop. I've thought to do this through pkill, but I could only manage to kill them one at a time, which is not what I want. The end goal is to put this ...
3
votes
1answer
327 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 ...
2
votes
1answer
276 views
+50

Disable sticky keys

Sometimes my X behaves like it has «sticky keys» turned on. I have no idea how I activated it. Usually hitting the "sticky" key multiple times solves the problem, but it is nevertheless annoying. I ...
2
votes
1answer
19 views

Transfer X from monitor to remote machine

I want to remote login to another laptop to continue working on session left over. VNC is slow because it's bandwith hog. I know (or I think I know) that it's not latency, it's bandwith because the ...
0
votes
1answer
19 views

Terminal emulator for Android that supports viewing images?

I am planning on logging into my unix desktop via an Anroid tablet. Is there a terminal emulator that will allow me to view images, such as making plots in ipython, via X11 protocol?
3
votes
1answer
26 views

Copy image from clipboard to file

Is it possible to take an image from the clipboard and output it to a file (using X)? I can do this with text easily: $ xclip -selection c -o > file.text But when I try the above with an image ...
1
vote
0answers
35 views

External VGA monitor port not working on HP Elitebook 2540p running RHEL 6.5

I'm running RHEL 6.5 on an HP EliteBook 2540p. When I connect the external VGA port to a projector or external monitor and press Fn+F3 to switch to the external port, nothing happens. Under System ...
2
votes
1answer
8 views

xkb - Keymaps at `/usr/share/X11/kbd/symbols` 2 values vs 4 values being specified

I am a noob when it comes to linux and xkb. Sorry if the question seems very obvious and stupid. I was checking the keymap found at /usr/share/x11/kbd/symbols and in particular, I was browsing the us ...
4
votes
1answer
240 views

Diacritics do not work in GTK+ applications running on Mac OS X Snow Leopard

I am using some GTK+ applications in Mac OS X Snow Leopard. My MacBook is configured for using the Brazilian layout, which allows it to enter diacritics as dead keys (so I can write á typing ' and ...
2
votes
1answer
29 views

Declare a new modifier key with XKB

I'm trying to create a one handed keyboard layout and want to use Hyper to produce special keys when I press some keys. For example, when I press Hyper_L and B, I want XKB to produce ...
3
votes
1answer
162 views

xautolock: how to auto-unlock on user activity?

I need to run a script after a period of user inactivity. For that I use the wonderful program xautolock. Now, I also need to run another script when the activity is resumed (e.g. mouse is moved or a ...
0
votes
1answer
269 views

Anti Aliased Fonts with NoMachine NX

I am running nx server on a headless ubuntu server. Its desktop is to Unix -> Custom -> Emacs which gives me an Emacs window on the local machine. The only thing that does not work as expected is the ...
2
votes
1answer
41 views

Displays and their relative position in a shell script

I want to get information about the displays, something like xrandr, but with more info. I want to know their position. So if I have two or more displays connected I want to know how they are ...
5
votes
1answer
25 views

What is the difference between a windowing system and a window manager?

What is the difference between a windowing system (for example X11, Wayland) and a window manager (Awesome, Compiz, OpenBox)?
2
votes
3answers
529 views

switching windows in twm with keyboard shortcuts

I am using a system that runs twm and I am wondering if it is possible to switch between windows using keyboard shortcuts, as I do in gnome with Alt+Tab.
1
vote
1answer
62 views

Why X server runs on TTY1 and not TTY7 on Arch Linux?

I've used Debian derivates (*buntu, CrunchBang), Mandriva, OpenSuSE, Fedora, name it.. all of them had X server at TTY7 (at least I think it was 7), accessed with: Ctrl + Alt + F7 Now, I moved to ...
3
votes
2answers
343 views

Running GUI application as another (non-root) user

Let's say I have 2 user accounts user1 and user2. When I login as user1, and then switch to user2 using su, I can execute command-line programs, but GUI programs fail. Example: user1@laptop:~$ su - ...
2
votes
0answers
39 views

Priority for “always on top” X windows

I have two windows on my Xfce desktop that need to be open all the time and they are set to always on top. They overlap each other, whenever I click on one of them, that's expected behaviour. Is ...
1
vote
1answer
44 views

Can I make a second mouse/keyboard (virtual) for xdotool to use?

I have a script running a set of xdotool commands. It only uses half of my screen but I cannot use my keyboard or mouse while it is running due to the number of clicks and typing that is executed. Is ...
0
votes
2answers
69 views

Error when running X11 application as root

I get this wierd error when I run applications as root. **(gedit:630): WARNING **: could not open X display No protocol specified Unable to init server (gedit:630): Gtk-WARNING **: Cannot open ...
1
vote
1answer
398 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) ...
1
vote
1answer
361 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 ...
4
votes
2answers
49 views

Stuck pixel on X

Every couple of days, a pixel roughly in the center of my screen gets stuck on white. It can be unstuck by restarting X, or by logging out and back in. However it remains stuck when I call xrefresh. ...
5
votes
1answer
3k views

X client forwarded over SSH “cannot open display: localhost:11.0”

I have enabled X forwarding on remote machine where SSH server is running: # grep -i forward /etc/ssh/sshd_config X11Forwarding yes # On local machine, I have started SSH client with -X flag ...
2
votes
1answer
511 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 ...
0
votes
0answers
45 views

Cannot open GUI's via SSH connection? [duplicate]

I've just connected to a Linux terminal using an ssh client. I'm running Linux on both desktops, but cannot open PDFs, IDE, or other graphics from the ssh client. How can I fix this?
5
votes
1answer
265 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 ...
1
vote
1answer
241 views

Openbox doesn't seem to have correct environment variables set

I've installed Debian 7.0, and then installed Openbox on top of it. I've got some executable files in ~/bin, and this line in my .bashrc and .profile: export PATH="$HOME/bin:$PATH" I can normally ...
3
votes
3answers
83 views

How to open a PDF file using PuTTY as a terminal?

I connected to a Linux system using the putty SSH client on my Windows PC. Now it's unable to open a PDF document in putty. The error message: gnome-open .pdf (gnome-open:4137): GConf-WARNING **: ...
5
votes
2answers
1k views

XAUTHORITY environ variable set repeatedly on every login

I am running a Suse Linux 11.04 system. My problem is that when I do a fresh login into a shell as root, a new Xauthority file of the form xauth***** gets created in the /root/ directory. Upon exiting ...
4
votes
3answers
116 views

Why doesn't rc.local run entirely

Here is my rc.local #!/bin/sh -e # # rc.local # # This script is executed at the end of each multiuser runlevel. # Make sure that the script will "exit 0" on success or any other # value on error. # ...
1
vote
1answer
312 views

How to permanently disable the Insert key on Linux?

The Insert is located right next to Backspace. So when I am using Leafpad, Gedit, etc., I hit Insert by accident often, which causes the cursor to turn into a bold box which over-writes text as I ...
1
vote
3answers
39 views

Before logging in my system, any way to make a key simulate another key?

In my keyboard I button doesn't work. I had earlier asked a Q on how to make a key simulate another key. That Q solved the issue only after I logged in my system. I'm working on Ubuntu 13.04. But how ...
0
votes
1answer
30 views

xbindkeys and messed up outputs

I am trying to set some key bindings for the use inside my wm. so I did xbindkeys -mk and start testing with keys. The result was somehow not what I expected. Left wind key ===> m:0x50 + c:115 ...
1
vote
1answer
189 views

Remap altgr key to AC10 in XKB

I'd like to remap the altgr key to AC10 key. So far, I edited /usr/share/X11/xkb/symbols/us as follows: // key <AC10> { [ semicolon, colon ] }; key <AC10> { [ Alt_R ]} After $ ...
3
votes
1answer
181 views

Mod, Meta, Super … keys?

In Window Managers circle there are some technical terms; couple of them are Mod keys and Meta keys. The questions here I am asking are What exactly are those and are they universal across ...
3
votes
0answers
80 views

Unable to get NVidia 9600GT working with Kubuntu 14.04

Problem: Nvidia drivers are not loading Hardware: Dell T110 Graphics Card root@madeye:~# lspci | grep VGA 02:00.0 VGA compatible controller: NVIDIA Corporation G96 [GeForce 9500 GT] (rev a1) ...
3
votes
1answer
1k views

Keyboard layout changed. How and why?

Yesterday, I upgraded my kernel (to 3.5.0-19-generic), rebooted, and had to reinstall my video drivers to get full resolution. (After upgrading the kernel, the resolution always goes to 640x480, until ...
1
vote
1answer
52 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 ...
2
votes
0answers
192 views

Running (X) Xfce4 in Debian chroot

I was trying to start Xfce4 in a chroot. The problem is that Xfce4 starts, shows default the UI but the USB keyboard and mouse are not working. My chroot script: #!/bin/bash mount --bind /dev ...
2
votes
1answer
29 views

where can I find the MIT-MAGIC-COOKIE in the user side?

While digging into X Windows or X11 stuff I found that X display uses MIT-MAGIC-COOKIE to allow client-server to exchange display data. One thing I don't understand is that I am able to locate and ...
1
vote
1answer
53 views

How can i start a wine application at startup without login?

I want to start a wine application when system startup. However this app need a Xwindow environment. I could only launch it manually by hand now, so I have to login first then start the app. I have ...
5
votes
1answer
55 views

What's the difference between Primary Selection and Clipboard Buffer?

I am tweaking in Webkit-browser land in Linux and I come accross the terms "Primary Selection" and "Clipboard selection or buffer" very often. I want to understand what are they and what ...
2
votes
0answers
26 views

Screencast on a virtual monitor

is it possible to create virtual monitor (virtual area) and cast it to LAN? I would like to have something like external monitor, like Miracast, but not mirror. I think it is possible to create ...
13
votes
3answers
1k views

How can I use just one unified clipboard? (even for IntelliJ's “copy path”)

I don't really understand the linux clipboard/s scheme. Instead of understanding it, is there a way to simplify it into one, unified clipboard? You know, so I could copy in any app and paste in any ...
2
votes
0answers
38 views

x11 connection established but magic-cookie value different?

From my local machine I ssh to a remote server along with authentication regarding X display. I know that in this process, MIT-MAGIC-COOKIES are used and the value in both server and client needs to ...
2
votes
1answer
287 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 ...
2
votes
2answers
662 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, ...