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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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 ...
6
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1answer
4k views

Linux: Use NVIDIA and ATI cards in the same computer

I've got the following graphics cards installed in my computer: $ lspci | grep VGA 01:00.0 VGA compatible controller: ATI Technologies Inc Radeon HD 4770 [RV740] 03:00.0 VGA compatible controller: ...
6
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1answer
9k views

How can I make my Super keys (Windows Key) behave more like Ctrl/Alt/Shift in Linux

After using the Ctrl + "arrow keys" for 13 years to switch virtual desktops in X windows, I've been convinced recently to change to using the Super keys instead (the windows key and the context menu ...
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votes
1answer
36k views

Starting and stopping X11 and LXDE from command line

I have a Raspberry Pi with Debian Wheezy (Raspbian) and so far I've managed to learn quite a lot about Linux just playing around, but I have a few questions for all you seasoned Linux pros out there. ...
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7answers
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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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votes
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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votes
4answers
6k views

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
23k 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 ...
6
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2answers
3k views

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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votes
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
votes
1answer
823 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 ...
6
votes
3answers
10k 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
1answer
12k views

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
13k views

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
4answers
5k views

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 ...
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2answers
5k 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
902 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
4k 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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votes
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
1answer
6k views

Running xserver from console as normal user and gdm3 disabled

Good afternoon to everyone. I am the inexperienced system administrator of a virtual machine with limited hardware resources, and Debian 6 installed. The main use of this machine will be as ...
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2answers
8k 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
11k 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 ...
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votes
2answers
5k views

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 ...
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votes
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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votes
2answers
2k 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 ...
5
votes
1answer
3k 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
votes
1answer
10k 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
3k 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
0answers
623 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 ...
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votes
3answers
1k views

How can I start X11 on a Linux system without graphics hardware?

I want to run some xulrunner based program on EC2 - it will run automatically but it needs some display as far as I understand. That probably requires X11 with some dummy screen driver. How can I do ...
4
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 ...
4
votes
1answer
12k views

Disable screensaver / screen blank via command line?

I am attempting to disable screensaver, screen blank and screen lock via the command line. This is because the settings will be applied in an unattended install. From my own research this appears to ...
4
votes
2answers
9k views

Display remote X session (complete desktop) in one client X window

Situation: From Windows I connect to a remote Linux using putty with X11 port forwarding. Xming is able to display the desktop session in ONE Windows window. If I connect from Linux with "ssh -Y ...
4
votes
2answers
610 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 ...
4
votes
1answer
3k views

Multiple users on one computer with different monitors on Ubuntu/Linux

I got a GTX 670, which powers my three monitors. But I got a processor with a HD4000 integrated graphics and I'd like to add a fourth monitor to the processor graphics, on which a different user works ...
4
votes
1answer
2k 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 ...
4
votes
3answers
2k 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
2answers
1k views

Xorg compose key without losing valuable key / bypass mode?

I would like to setup a compose key, but the only options available in the KDE system settings (and via /usr/share/X11/xkb/rules) are: compose:ralt Right Alt compose:lwin Left Win ...
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
2answers
4k views

How to fix X11 font issue on Mac?

X11 on the Mac does a horrible job drawing fonts. I'm trying to use the GIMP and Inkscape and the menus, and other text, don't draw correctly half the time. What is the fix for this?
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votes
1answer
4k 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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1answer
53 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
875 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
123 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
731 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 ...