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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Fedora 17 doesn't detect some key-presses

About 1 week ago, I installed MATE desktop (Gnome2 fork) because I wanted to use XMonad in gnome. So I am pretty sure this problem has something to do with MATE. My keyboard is just a basic HP ...
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336 views

Is there any way to prevent focus being grabbed by another application?

I am getting annoyed by windows under X opening and taking focus away from the current window which has focus. This is particularly annoying when you are typing a password into a password dialog and ...
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1answer
599 views

How does X11 forwarding work?

How does X11 forwarding work? I am interested in knowing whether the processing to render graphics is done at the end of the host running the application or the host displaying the graphical ...
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1answer
1k views

Ctrl-Alt-F1 not working from X

I have a system running Debian 5.0 that doesn't respond to Ctrl-Alt-F# (1-6) Check if Ctrl, Alt, F1 and F2 are intercepted correctly... $ DISPLAY=:0 xwininfo xwininfo: Please select the window ...
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2answers
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Copying files from command line to clipboard

In a GUI file manager it is possible to select a few files, press Ctrl-C (which supposedly copies come info about the files to clipboard), then navigate to another folder and press Ctrl-V, which will ...
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316 views

What does “Do you expect to run the X Windows System?” do when installing OpenBSD?

When installing OpenBSD 5.1, I got the question: Do you expect to run the X Windows System? What change does the installer make to my system if I say "yes"? I know what X Windows is, but I don't ...
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163 views

C-u leaves ghost characters at command prompt in xterm

I am using bash (v3.2.25) on linux, through xterm, through exceed. When using Ctrlu the cursor is moved next to the bash character prompt ($) but the rest of the line remains and is not erased as ...
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1k views

How can I have new ~/.vnc/xtartup files be configured for normal desktop by default?

When a user first runs vncserver, the following ~/.vnc/xstartup file gets created: #!/bin/sh # Uncomment the following two lines for normal desktop: # unset SESSION_MANAGER # exec ...
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953 views

Can I start my main desktop graphical session remotely?

So my workstation at work got rebooted and I'm currently not logged in physically there with a graphical session. I have ssh access to it, and I can start a new X windows session and use my graphical ...
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How can I fix my X11 draw garbled icons?

I'm running linux mint 12: $ cat /etc/issue Linux Mint 12 Lisa \n \l This started happening recently: And I'm not sure why. It's not just limited to the above icons and text. $ lspci | ...
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1answer
1k views

Multiple Screens cause flickering (only when laptop is charging)

I'm using i3 window manager (shouldn't be relevant) on 3.6.2-1-ARCH with XServer (ver 1.13.0), xrandr (ver 1.3.5) and RandR (ver 1.3). Graphics card is Intel HD 4000. I have set up my screen using ...
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229 views

Two monitors and a single X-Screen: How to change “full screen” center and resolution

I have two monitors, both 1600 x 900, running as a single x-screen. When I try to run a full screen application (a game for example), the application full screens as though my two monitors were one ...
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1answer
186 views

How to use /etc/fbtab in OpenBSD to secure X11?

OpenBSD's man page afterboot(8) suggests: "You might wish to tighten up security more by editing /etc/fbtab as when installing X." How might one do this? What lines when added to /etc/fbtab would ...
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1answer
285 views

fluxbox keyboard switch german, greek (modern) and polytonic greek

Where can i find a list of keyboard-layout codes to switch between german, greek (modern) and polytonic greek in fluxbox menu? vim ~/.fluxbox/menu [begin] (fluxbox) [include] ...
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3answers
406 views

No Audio Output with X11

I have a queer issue with my Arch-Linux System. I am unable to get any Sound Output when playing audio, AFTER starting X Server. The issue is not with Volume Controls or Sound Card Drivers because, ...
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1answer
300 views

How can I set left alt + right shift keyboard layout switch in xubuntu?

From what I found from xkeyboard-config man page there is no such combination, which is very upset. Is there any workaround for that? Because I want layout change to be as in winXP.
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2answers
4k views

Accessing Linux server from Windows machine in graphical mode via SSH

I need to access one of my school Linux servers from my home computer that runs Windows. And I need to access graphical desktop (X server) on them remotely, not only shell. The problem includes 3 ...
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2answers
2k views

Fastest remote X from Windows

I have the following set up: |-----------------| |---------------| | Windows | LAN (or VPN) | Linux box | | (local machine) | ...
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1answer
210 views

detect if key is pressed from script

I would like to detect if a key is being pressed when running a script. I have the following script: #!/bin/bash sleep 0.5 xte 'str sometext' I run this script using a shortcut to paste "sometext" ...
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2answers
591 views

How to prevent a Qt/GTK app (Calibre) from using colors defined in .Xresources?

I have colors defined in .Xresources. They look lovely on urxvt, and utterly ghastly on Calibre. Calibre does not appear to have any way to disable or override those colors, so is there any way I can ...
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1answer
7k views

Xlib: No protocol specified [duplicate]

Possible Duplicate: Open a window on a remote X display (why “Cannot open display”)? I have a script that when run independently works that needs X11 Display variables to be ...
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2answers
305 views

How Do I Shrink the Visible Area of the X11 Root Window?

I would like to make the visible workspace of my desktop fill up less space than the entire monitor while keeping image fidelity constant. Presumably, any solution would leave a black border around ...
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1k views

What is keeping Wayland from overthrowing X in Linux?

Everyone agrees that Wayland is better than X11 for your usual desktop. Why is X then used by every major distro then? Is it bugs, little compability from apps (is that even an issue?) or something ...
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96 views

Is there a way to execute a command when a user logs off from X?

I am trying to execute two commands one on logon and one on logoff. For the log on one, I put my script into /etc/X11/xinit/xinitrc.d and this works. I'd like it to be system-wide so I can use any ...
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344 views

Use Emulated Scrollwheel Instead of Real One X11

So I've got this Kensington trackball that ships with a pretty horrible scrollwheel/touchring doohicky, and only two physical buttons. I'd like to disable the touchscroll entirely, enable 3 button ...
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3k views

X11: Client not authorized when calling with sudo [duplicate]

Possible Duplicate: Can I launch a graphical program on another user's desktop as root? I'm trying to do the equivalent of: $ sudo -u myuser DISPLAY=:1 xterm However, it give me the ...
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5answers
15k 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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881 views

How to setup 3 screens with 2 ATI GPU Debian Squeeze

I want to use 3 screens on my computers with 2 graphics card ATI Radeon HD 5450. I've installed fglrx ATI drivers. Here is the result of lspci : root@dev1:~# lspci | grep VGA 01:00.0 VGA compatible ...
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2answers
943 views

Change scroll lines when use mouse wheels?

Is there a way to control how many lines will scroll, when you use the mouse wheels? It seems to be 5 lines by default, anyway to change this value? I didn't find it in xfce4-settings-manager
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91 views

xkb config has pointless entry?

I dumped the current xkb configuration with xkbcomp :0 keyboard.xkb and found that, for example, ISO_Level3_Shift has two 'interpret' entries: interpret ISO_Level3_Shift+AnyOf(all) { ...
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1answer
2k views

How can I set the position that terminal opens at?

I'd like Terminal to open near the bottom of my screen. Is there a way to set the default size and position? I'm using Linux Mint 13, Cinnamon.
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1answer
249 views

How to dump the icon of a running X program?

Is there a way to get the icon of a running X program? When you switch between windows, you could see the icon of it, e.g through xfwm4.
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2answers
153 views

X11 on server without forwarding

I'm running a java application on my ubuntu server which refuses to open if it cannot open a window (the content of the windows is of no interest for me). Since the server is not connected to any ...
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1answer
161 views

Set window manager's meta key depending on connected Xserver

Situation A linux server is running an xdm supporting XDMCP, it is connected to from various different Linux and OS X boxes using XDMCP via an X -query <server> command. Once the user is ...
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1answer
504 views

Linux in a mostly Windows dev environment

A little background: our shop has traditionally run a Microsoft software stack but now we're planning to use embedded Linux and I find myself in the role of Columbus: conquer the new world. I mention ...
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1answer
171 views

Start window in specific size and location, is there a general tool can do that?

Is there a general program, that start my GUI program, and able to specify the size and location of this program ? Not just X programs, but also other GUI libs.
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3answers
4k views

Chinese input in Linux Mint 13

I started to use Linux Mint 13 MATE a few days ago. What frustrates me most is that I can't found anywhere to change my input language. In Windows, it is easy, just Ctrl+Shift. How can I configure the ...
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4answers
15k views

What is “.xsession” for?

What is the purpose of the .xsession file in the home folder? What should be put in there? The desktop environments don't use that file and for the X startup from the tty there is .xinitrc.
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xkbcomp doesn't update keymap for running xterms?

When I use setxkbmap all programs use the new layout but when I change the keyboard layout with xkbcomp to my own only newly started programs are affected (using xkbcomp with a file with a default ...
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3answers
1k views

Script to toggle setxkbmap

I would like a bash script that toggles between: setxkbmap se and setxkbmap us. Then my intentions are to map that script to CtrlEsc through the Keyboard > custom shortcuts. The point is that I ...
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3answers
142 views

Is there a tool that pastes from clipboard one character at a time?

Is there a tool that pastes from clipboard one character at a time? Something that would simulate a real person typing, like in the movies ;) Of course I am referring to X applications, preferably ...
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1answer
500 views

x11vnc window manager

I am using x11vnc and started it so it created the X server by itself like this: x11vnc -localhost -rfbauth -create /root/.vnc/passwd But the VNC session created, does not have a window manager, ...
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1answer
502 views

What process created this window with no PID associated? [duplicate]

Possible Duplicate: What process created this X11 window? I need to kill a process that spawned a window which seems to have no PID associated with it. At least that is what xdotool says: ...
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1answer
723 views

Is it possible to use OpenCL on a minimal OS without X?

I'm looking to use OpenCL for Bitcoin mining. Obviously it is technologically possible to use a GPU and OpenCL without X; Windows machines do it all the time. I'm wondering if there is a way to use ...
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2answers
1k views

What is the relation between DISPLAY :1.0 and port 5901

When I start a new X server using vncserver I can connect it using port 5901. From, say, a terminal, I can also do a: export DISPLAY=:1.0 xterm (it's just an example) And I get an xterm on the ...
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1answer
1k views

Send a command from the console to a running X server

Is it possible to send a command from the console, say tty1, to the terminal currently occupied with X (in my case tty7 as I use Debian), to tell for example mplayer to play a movie? Edit - made a ...
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1answer
145 views

Share X11 with remote server where X11 are not installed

I need a GUI on a remote server to which I have an ssh connection. Is it possible to share my X11 window system with it given that there's no X11 installed on the server?
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2answers
356 views

Is there a xterm equivalent that is optimized for use over VNC?

tl;dr Is there a terminal emulator that uses rectangular copies for scrolling? I'm doing a lot over work over the internet just now (hacking a program on my employer's cluster that can't be ...
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325 views

Launch X11vnc server on Ubuntu remote desktop through SSH

I have a Windows computer and I am currently connected to a Ubuntu 12.04 system through SSH using CRT on my Windows computer. I would like to know the commands that I need to run from my SSH session ...
3
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1answer
1k views

Switch to an application using its PID

I'm using Gnome. In vim, I want to map a key to switch to Firefox. I know that I should use bash commands (a command in form of !...). Is it possible to switch to an application using its PID?