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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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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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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Linux: Setting primary display (nvidia) form 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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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, ...
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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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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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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 ...
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1answer
7k 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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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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2answers
3k 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 ...
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How to check multitouch in GNU/Linux

I have several questions about multitouch in Linux: Is multitouch and MPX (multi-pointer extension) related? If an application handles multiple cursors does it mean that it is multitouch-ready? How ...
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1answer
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Enabling hardware acceleration and Xinerama for multi-monitor/multi-GPU in Linux

My current setup is three monitors connected as follows (monitors listed from left to right): GPU0 (nVidia GTX 280): - Dell 2405FPW (1920x1200) - Dell U2410 (1920x1200) GPU1 (nVidia 210): - ...
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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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1answer
2k views

invert colors on X (or xfce4)

Is there a way to invert colors in X. It would be even more useful if the answer was something I could bind to a keyboard shortcut(a command and not a setting that will require a restart if X).
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1answer
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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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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

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 ...
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1answer
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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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1answer
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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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1answer
262 views

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
823 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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1answer
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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
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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 ...
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1answer
354 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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1answer
103 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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1answer
561 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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2answers
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 ...
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1answer
648 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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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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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
633 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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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 ...
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1answer
499 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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4answers
848 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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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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3answers
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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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2answers
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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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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 ...
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2answers
413 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. ...
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votes
1answer
5k views

Should I be able to hear audio using X11 forwarding?

I use a portable virtual box (running Ubuntu) at work. I funnel my web browsing through an ssh link back to my home PC. Today I was playing around with X11 forwarding to access applications running on ...
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3answers
887 views

X Session from Mac

How can I log into an X server from Mac OS X? I know that ssh -X username@host will log me in and I will have the capability to run X applications. On Cygwin/X you can log in and have a whole X ...
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votes
2answers
639 views

X11 forwarding with an already running window?

I'm trying to forward the X session to my Windows laptop (using Xming and putty), and I have no problem opening new programs such as gedit and having them forward, but how would I forward something ...
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2answers
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Ubuntu - connecting 3rd monitor fails with “xrandr: cannot find crtc for output DVI-0”

I've got a laptop with a DVI and VGA output on the back. With everything connected it will only allow me to run 2 of the 3 monitors e.g. laptop display + VGA or DVI+VGA but not all 3. xrandr says I ...
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votes
2answers
485 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 ...
3
votes
1answer
112 views

X11 keyboard utility to display key presses?

I'm having trouble with an Asus Q500A laptop and its hotkeys under Fedora 20. They are the function keys that turn the wifi radio on/off, change keyboard backlight, the display brightness, volume ...
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2answers
642 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 ...
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1answer
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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
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Setting primary monitor in ubuntu without xrandr

I am running Kubuntu 12.10. I have 3 monitors plugged into a AMD Radeon 7970. I have tried switching the order of the outputs, and configuring them repeatedly with amdcccle but kubuntu always seems ...
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2answers
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How to have ESC also cancel CAPS if CAPS is enabled?

Is there any way to configure the keyboard so that pressing ESC will also cancel the Capslock feature, if Capslock is enabled? I specifically use Kubuntu Linux with ESC and Caps keys switched (VIM ...
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2answers
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Launch an application in another X-session as non-root

How to start an X server as root with a session of non-root application? Should be something like xinit 'su -c openbox user' -- :1 but working :)