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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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 ...
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1answer
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X on one monitor, a bare, tty terminal on another? (linux)

The graphics card on my computer has inputs for (at least) two separate monitors. I have one monitor that is high resolution, and I like using it for X (anything graphical). My other monitor, however, ...
6
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3answers
1k views

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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1answer
10k 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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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 ...
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6answers
885 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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2answers
7k views

Disabling mouse acceleration in X.Org (Linux)

This is the Linux version of my Disabling mouse acceleration in Mac OS X question. Hopefully I'll get an answer this time. I am tired of mouse acceleration and want to have a completely linear mouse ...
5
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1answer
8k 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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2answers
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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
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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
9k 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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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
4k 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 ...
5
votes
1answer
16k 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 ...
5
votes
1answer
979 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 ...
5
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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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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
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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
8k 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. ...
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3answers
8k 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 ...
4
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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
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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 ...
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2answers
10k 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 ...
4
votes
1answer
6k 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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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 ...
4
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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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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
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 ...
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
18k 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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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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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 ...
4
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1answer
553 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 ...
4
votes
1answer
689 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
118 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
4
votes
1answer
646 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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0answers
501 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. ...
4
votes
1answer
712 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 ...
4
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
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 ...
4
votes
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
634 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 ...
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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 ...
3
votes
1answer
510 views

When you use X forwarding to run an application on another computer, which processor does it use?

If I use ssh -X to run an application from Computer A on the screen of Computer B, how are the computation and resources divided up between the two computer's processors? Sometimes the audio will ...
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votes
4answers
852 views

Transparent, unicode X terminal not tied to a Desktop Environment?

I've been looking for this for a while now and I just haven't been able to find one. The last few that I used were: aterm - this one was fast and had good transparency support, but it doesn't ...
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votes
5answers
224 views

OpenOffice 2.4.1 in Mac OS X

I just downloaded OpenOffice 2.4.1 for Mac OS X and now every time I open it an xterm terminal window opens up with a Bash prompt. Is this normal behavior? Can this be turned off?
3
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3answers
358 views

What is the point of the xorg package in Ubuntu?

I am about to do a minimal installation of Ubuntu 10.10. First, I'll do a command-line install with the minimal Ubuntu cd. Second, I want to install a minimal version of gnome. So I am simply looking ...
3
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2answers
452 views

Graphical Equivalent to /dev/null?

I'm trying to run a GTK-based plotting library that I wrote over an SSH terminal that's too slow to run an X session over. GTK assumes that a graphical display is present and won't work otherwise. ...