X.Org Server (commonly abbreviated to Xorg Server, XServer or just Xorg) refers to the X server release packages stewarded by the X.Org Foundation, which is hosted by freedesktop.org, and grants public access to the standard X Window releases for the efforts of the free and open source software ...

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How can I sort out Xephyr's keyboard mapping?

When I start up Xephyr inside of X, my keyboard map becomes wonky mostly just for non-printing characters. I can't use arrow keys. According to xev, The down arrow gets mapped to Super_R. The up arrow ...
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2answers
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Linux, changing the default FN-key functionality in xorg (key-bindings?)

So I bought a new keyboard from Logitech (TK820), without checking the key functionality beforehand. It was a nasty surprise to find that on the top row, the multimedia keys (volume up, next track, ...
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4answers
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Fix overscan in Linux with Intel graphics Vizio HDTV

I am connecting my server to my HDTV so that I can conveniently display it there. My VIZIO HDTV cuts off all 4 edges. I already realize it is not optimal to be running a GUI on a server; this server ...
6
votes
1answer
20k views

Understanding X Windows DISPLAY environment variable when tunnelling

I want to ssh to remote servers, both running CentOS with X11Forwarding enabled. However the X application cannot run properly on one of them - on host B it works fine. But on host A I get the error ...
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4answers
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Linux: Setting primary display (nvidia) from command line

Is this possible? Normally I use disper to enable my external monitor, but I don't think I can force the 2nd monitor to be primary. http://willem.engen.nl/projects/disper/ I've played around with ...
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3answers
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How can I set environment variables for a graphical login on linux?

I'm looking for a way to set arbitrary environment variables for my graphical login on linux. I am not talking about starting a terminal and exporting environment variables within the terminal, ...
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2answers
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Wacom Bamboo tablet and Linux: Anyone experience with it? On which level of abstraction is it supported?

Does anyone has experience with this device under Linux? On which level of abstraction is the Wacom Bamboo tablet supported? Is the device input just translated to mouse input, so that every ...
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1answer
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Using Windows as a VirtualBox Host, how I can get AltGr behavior on linux guest?

I'm having an issue using a keyboard which is not an English US keyboard. It seems that when it's the case, pressing AltGr key will simulate CTRL + ALT on Windows. I have verified that fact using ...
6
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1answer
719 views

Emulating extra displays

I have a system with a single monitor, I would like to test the an xmonad configuration that is designed for multiple monitors. Is there any way to emulate a system with 3 monitors using something ...
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3answers
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Touchpad sensitivity scales to virtual screen dimensions

I am experimenting with attaching a second monitor to my Ubuntu Natty laptop, and I have noticed an annoying "feature" that makes any multi-monitor setup so unusable that I actually prefer my ...
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votes
1answer
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Linux: How to send message to local user logged into X11?

Is possible to send a message (popup window or something) to local user logged into X (xdm, fluxbox) from console ? For example: user1 is logged and using X/fluxbox, user2 logging into the same box by ...
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votes
2answers
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SSH: launch GUI programs on remote screen, not X display

The problem Most people want to connect to a server over ssh with the "-X" option in order to run GUI programs on the remote host using the display of the client. I would like to run GUI programs on ...
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votes
1answer
7k views

How do I restart a frozen screen in Ubuntu without losing any open windows?

I had a device running Ubuntu 12.04 LTS have its screen freeze. Generally I have simply jumped onto an available tty, i.e. Ctrl-Alt-F1 and executed the command /etc/init.d/lightdm restart or service ...
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votes
4answers
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Linux + “nVidia surround” + 3 monitors?

Is it possible to run 3 monitors on 1 nvidia card (600 series, 640/650/660/670) under linux/xorg with the closed source nvidia driver? At the moment a have a 2 monitors on my linux system in a ...
5
votes
2answers
4k views

Configure a trackball under Linux without editing Xorg.conf

Summary: In this post, I explain how I configure my trackball through xorg.conf file and ask what I should do instead, knowing that xorg.conf is deprecated. Long Introduction: I've been using a ...
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6answers
898 views

In Firefox, is there a shortcut to paste the content of the X buffer directly into the search box?

In particular when programming, it's handy to post error messages in Firefox' search box, to see what Google has to say on the matter :) On linux and particularly X11, it's even more handy since you ...
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1answer
3k views

How to tell X.org to reload input device module? (Working around suspend-to-ram crash on Acer laptop)

When X.org boots up, Synaptics touchpad works well. But when I remove the module it falls back to /dev/input/mice and don't use normal driver even when touchpad is available again. Xorg.0.log: ... ...
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2answers
2k views

Xserver that I can reconnect to

I'm looking for something like screen but for X? I imagine situation when I do something like "X --reconnect remote_server:11", and I am reconnected to pre-existing X session, with all programs that ...
5
votes
2answers
7k views

Boot Ubuntu without X

After installing Ubuntu Server 9.10, I couldn't get X to work, so I installed xfce-desktop from apt-get, hoping it would fix the problem (it didn't, but I got it working later). I just rebooted my ...
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votes
4answers
10k views

Problem with remoted display of java applications

I'm trying to remote display Java based development environments, such as NetBeans and IntelliJ, from a linux machine to a windows machine. When I do this, the right click functionality of the ...
5
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1answer
1k views

Windows manager which allows multiple active windows/multiple input devices?

I have a huge desktop, with multiple monitors, and one pretty good computer. I also have multiple mice and keyboards laying around. Now I would really like to make use of all the hardware. Say a ...
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2answers
1k views

Cannot exit X server, restart, shutdown or drop to tty when VGA monitor active

I have a strange problem. If I connect an external VGA monitor to my laptop, exiting the X environment in any way crashes the computer. For example, say I am working with my two monitors (the ...
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votes
2answers
1k views

Start (and display **on the remote machine**) a graphical application, via SSH

I'm certain this will have been asked elsewhere, but I can't seem to word it in a way that is picking anything up. I have a laptop next to me that I want to test my graphical (SDL) application on, as ...
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votes
1answer
2k views

How to use nvidia-xconfig with 2 GPUs and one is not NVidia?

I have a cluster of machines running on Ubuntu 10.04 LTS that are equipped with two graphic cards, a NVidia GeForce GT 240 (secondary) and a Matrox one (primary). Because it just seems to ignore the ...
5
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1answer
9k views

Hide mouse cursor in ubuntu (for touchscreen)

I've recently got a tablet pc (JooJoo.com]) and I've got it nicely set up with Jolicloud - an Ubuntu derivative like Mint - (thanks to the joojoo forum) but I can't hide the mouse cursor in Gnome. ...
5
votes
1answer
2k views

Multiple Graphics Cards on Fedora 15 (Gnome 3)

I have the (delightful) misfortune of having 3 graphics cards. They are XFX Radeon 5750s. Each drives 2 monitors via dvi. I am having a really hard time getting these running on fedora 15 (gnome 3). ...
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votes
3answers
9k views

Setting up a multiseat configuration

I am trying to set up a multiseat computer configuration. In this arrangement, I have a laptop with an external keyboard, mouse, and monitor connected. I would like to allow two user sessions to be ...
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votes
3answers
5k views

using ubuntu-server in full screen mode - VirtualBox

I have installed ubuntu-server 11.10 in virtual box. but unfortunately the screen is small. I installed VirtualBox guest additions to see it full screen(like what I do for windows). Now it is ...
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votes
1answer
2k views

How can I view the WMClass attribute of a window in Xorg (linux)?

I am trying to find a workaround for incorrect grouping of windows in Docky, and I believe the problem lies with the WMClass attribute that is set for each window. However, I do not know how to view ...
4
votes
2answers
1k views

debian/ubuntu - invert all colours in desktop session (colors)

Sometimes I need to flip from a light colour scheme to a dark one quickly, and I need it to apply not just to the desktop theme but also to any webpages that are open etc. On the Mac there's a neat ...
4
votes
2answers
591 views

Find and raise a window in KDE4 with shortcut

I was wondering about a possibility to find and raise some window in KDE4 with shortcut. Currently in KDE 4.4 there is a possibility to switch to window from krunner (Alt-F2). Say, I have an open ...
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votes
1answer
1k views

How do I run X11 applications remotely?

How can I run X11 applications hosted on a remote server, given the following goals: Run anything that would run locally on the server. This includes OpenGL apps which use GLX. Seemless integration ...
4
votes
1answer
1k views

How to know which modifier keys are which in X11?

I have X11R7-based desktop linux. I want to debug key modifiers of my keyboard. I have some left and right controls, alts, metas, etc., but for some reason (1) I'm not quite sure which is which from ...
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votes
3answers
1k views

Is there anything that can be done to make X forwarding over LAN less painful?

I have two *nix machines that I like to remotely do graphical things sometimes with. One of those machines is my Arch Linux media server, and another is my OpenBSD router/general server. My current ...
4
votes
1answer
4k views

/etc/environment not being read into PATH variable

In Ubuntu the path variable is stored in /etc/environment. This is mine (I've made no changes to it, this is the system default): $ cat /etc/environment ...
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votes
1answer
3k views

Pulseaudio Daemon Startup Failed

When running startx on Arch Linux, the error: E: [pulseaudio] main.c: Daemon startup failed. is returned. Is there any way to fix this error?
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votes
1answer
3k views

enable x authentication over ssh for the root

over ssh - $xclock $sudo su - #xclock X11 connection rejected because of wrong authentication. so I do - $xauth list /*copy the lines*/ $sudo su - #xauth add /*paste the lines*/ #xclock /* ...
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votes
2answers
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ssh xauth error Mac OS 10.6.3

Whenever I ssh with X11 forwarding to a remote box from my macbook I get the following error after a few seconds pause: Warning: untrusted X11 forwarding setup failed: xauth key data not generated ...
4
votes
1answer
34 views

Linux: Prevent keyboard turning screen on under X

I'm trying to bind a key (using xbindkeys) to turn my monitors on/off under X. So far I have the key bound to this script: #!/bin/bash MOUSE="Logitech USB-PS/2 Optical Mouse" if [[ ! -z $(xset q | ...
4
votes
1answer
799 views

Some keys don't appear in xev

I can't change my screen brightness by pressing brightness keys on the keyboard, but they change through /sys/class/backlight/acpi_video0/brightness. So I started to diagnose the issue. I ran xev, and ...
4
votes
1answer
120 views

How does a window manager register itself with the X Server?

I was wondering how the window manager registers itself with the X server, and how it knows what process to kill when it goes about replacing the current window manager
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votes
1answer
695 views

How to change the GDM default background wallpaper to my customized wallpaper or solid color?

I was trying to change the Ubuntu 11.04 GDM default background wallpaper to solid color such as black. However it's not working; here is what I've tried so far: From the terminal: xsetroot -bg ...
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votes
1answer
1k views

Configuring three monitors with two Radeon X1600/X1650 graphics cards under Ubuntu

I have three SyncMaster 932a monitors I want to use with two Radeon X1600/X1650 cards under Linux. I am running X.org X Server 1.6.0, as provided by Ubuntu's Wubi installer. After turning off ...
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votes
0answers
791 views

redshift color adjustment with hardware/software cursor

I'm running Arch Linux (with Con Kolivas' ck1 patchset, although that shouldn't affect this issue) and using the proprietary Nvidia graphics driver, currently at version 313.26 (my card is a GeForce ...
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votes
0answers
591 views

Dropbox causes xorg to use 100% CPU

For some time, I noticed that my xorg process uses up between 60 and 100% of the CPU (according to top). I also noticed that interactive work becomes sluggish, even on my multi-core i7 processor. ...
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votes
1answer
775 views

Fullscreen (youtube, games) does not fill main screen, is shifted between two monitors. Linux

I am trying to figure out where can I set position and size of "fullscreen view". I am running Ubuntu 12.04 LTS, with XFCE on ThinkPad T400 (Intel HD4000 graphics card, 1280x800) with one external ...
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0answers
595 views

Using both Ctrl+Alt to replace AltGr 3rd level function on xorg

On Windows, Ctrl-Alt is mapped to Alt Gr, but not so on Linux. Using Alt Gr for 3rd level keys is wrist-killer nr. 1! I'm unable to find a workaround that doesn't remove other functionality I use ...
4
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1answer
1k views

How do I emulate a scroll wheel in Ubuntu 10.04?

I have a Kensington Orbital Optical trackball. This has two buttons and a trackball. I am using Ubuntu 10.04. I wish to set this up so that when I click and hold the right mouse button (button 3 ...
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1answer
1k views

Synergy config dual monitors separately

In Synergy, is it possible to set up your config so that you have one server and one client, both with dual monitors, but the client machine has its monitors such that one is on the left of the ...
4
votes
1answer
635 views

Ubuntu Lucid (10.04) subpixel font rendering crashes Xorg

I really don't know how to solve this on my own so I thought giving this site a chance. After upgrading to Lucid I ran into some problems. With some experimenting I came to a conclusion that if I ...