Xorg is a full featured X server that was originally designed for UNIX and UNIX-like operating systems running on Intel x86 hardware. It now runs on a wider range of hardware and OS platforms.

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4answers
12k views

Cannot add new mode in xrandr for external monitor

Today I was trying to connect my second monitor to my notebook. I have: nvidia graphic card 304.43 drivers [support xrandr 1.2] archlinux [up-to-date] awesome wm xrandr 1.3 My problem is with ...
11
votes
2answers
8k views

How can I run a separate X session on a different physical display?

Here's what I need to do. I need to be playing a movie over HDMI to a television screen for my friends while I'm hacking on some personal projects over VGA to a smaller monitor. It's imperative that ...
11
votes
3answers
1k views

Emulate horizontal scrolling with Shift key

I want to emulate horizontal scrolling when I use my (vertical) scroll wheel and pressing Shift. In some applications (Chrom{e,ium}) this already works, but I'm looking for a generic solution for X ...
11
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3answers
581 views

Laptop VGA Output Randomly Changes Name Between VGA1 and VGA2

Periodically (every few reboots by the look of it) my external VGA output on my Laptop changes name between VGA1 and VGA2. For example right now xrandr is displaying: timp@helez:~$ xrandr | grep VGA ...
10
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4answers
1k views

Can I keep applications running across X sessions?

Let's say I have a Firefox window downloading a big file that will take a lot of time. Now that it's running halfway and I want to switch to another DE (for example from GNOME to KDE), can I do that ...
10
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3answers
7k views

Getting and setting screen size for Xorg

I would like to run a command like get-screen-resolution during a X session to get a '800x480' output. ( or whatever the actual screen size is ). Is there something available for this? Currently I ...
10
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2answers
2k views

How does Linux manage fonts?

When I used Windows (a very very long time ago!), and Mac OS X, there was always a central "repository" of fonts shared and accessed by the OS and all programs (the font folder in Windows, and Font ...
10
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4answers
5k views

Reassign Ctl and Alt keys - xmodmap error

I am attempting to remap my keyboard in order to make emacs usable. My ergonomic keyboard puts its single Control key in an isolated 4-key island way off to the left. The OS is Debian squeeze. Here ...
10
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1answer
2k views

Can I move a running application to a different X server?

Is there any way to open a graphical program (for instance, gedit) while using X11 forwarding over SSH and transfer the X server connection back to the X server on the SSH host?
10
votes
1answer
5k views

How to make startx use alternate xinitrc?

I don't have a desktop manager installed (and I don't want to). After logging in through the terminal I use startx to start the GUI. I have entries in ~/.xinitrc for my GUI sessions. Right now I have ...
10
votes
3answers
2k views

IMAP mail notifier for window manager/task bar?

I am searching for a small new-email-notifier for IMAP mailboxes that displays it's status in the icon-bar (how do you call it?) of a window manager. Basically some biff/xbiff like tool ported to ...
10
votes
3answers
2k views

Restart GNOME without restarting Xorg?

sometimes happens that some applications crash and make Gnome desktop unstable for example the upper bar vanishes. by restarting X ctrl+shift+backspace i can reset it. but is there a way just to re ...
10
votes
2answers
1k views

Set Xorg to use only part of the screen

My screen has 1280 x 1024 resolution. But unfortunately, rightmost belt of 200 pixels is damaged and unable do display any image. How can I set that the Xorg will treat my screen as 1080 x 1024 ...
10
votes
1answer
6k views

Linux - LXC; deploying images with tiniest possible X11

is it currently possible to setup LXC containers with X11 capabilities? I'm looking forward for the lightest available X11 container (memory-wise), hardware acceleration a plus but not essential. If ...
10
votes
2answers
4k views

How can I swap my two screens, left to right?

I pressed something and accidentally swapped my two screens. My left one is actually considered as the right one, and vice versa. How can I swap them back? Edit - Specifically, I'm using Gnome, ...
10
votes
2answers
7k views

command line retrieve list of all valid kbd layouts, variants and toggle options (to use with setxkbmap)

Is there a way from command line to retrieve the list of all available keyboard layouts and relative variants? I need to list all the valid layout/variants choices to be used then from setxkbmap. ...
10
votes
1answer
41k views

xrandr doesn't detect monitor on hdmi port

I installed Arch on my laptop but I don't think this problem is specfic to Arch. The only problem at the moment is that the display connected to the hdmi port isn't detected. For example running from ...
10
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5answers
8k views

How can I turn off “middle mouse button paste” functionality in all programs?

I don't like having the middle mouse button paste, because I often end up with uncompilable code in Eclipse. How can I turn this off (in all programs)? I'm running Fedora.
10
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1answer
621 views

Display problem - Random grid appears on screen [closed]

I have recently started using Arch with nvidia driver (I had a lot of problems getting nouveau to even work so I decided to try nvidia) and I started experiencing rather odd problems. Every now and ...
9
votes
3answers
2k views

How to force release of a keyboard modifiers

Sometimes, when I use synergy between my machines when one is using full-screen VirtualBox guest I get stuck with some weird key modifiers turned on. If they exist on my keyboard (like Shift_L) I can ...
9
votes
6answers
3k views

Invert colours on Dual-Screen / Dual-Monitor setup?

In order to invert colours on monitor, I invoke: xcalib -invert -alter The problem is, that on Dual-Monitor setup it inverts colors only on first screen. I can not use Compitz gadgets for color ...
9
votes
3answers
9k views

how do I prevent Xorg using my Linux laptop's display panel?

I have a laptop (~5 year old HP compaq nc6400 running Fedora Linux) that I use most of the time as a desktop machine. It is plugged into a docking station with its lid closed and connected through ...
9
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1answer
11k views

monitoring events (keyboard, mouse) in X

Is it possible to display all events that are generated in Xorg? Such as keyboard pressed, mouse events...?
9
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2answers
1k views

Custom xkb layout in which one key creates two unicode code points

I am writing a new custom keyboard layout for Xorg, but there is one particular glyph which does not exist in Unicode. It is, however, easy to create it by using a standard letter plus a combining ...
9
votes
2answers
4k views

Fast X for LXC guest on localhost?

How can I run X apps inside an LXC container efficiently? ssh -Y guest is too slow - there is no graphics acceleration with ssh -Y - everything has to travel over the virtual network with the ...
9
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3answers
3k views

xorg memory leaks

On my desktop Xorg leaks a lot of memory. I use to let this machine on for days (weeks, months ...), but about once a week I'm forced to restart xorg, because it is taking too much memory. Am I the ...
9
votes
1answer
2k views

How can I manage an oversensitive touchpad?

For the most part, I love my new Dell Latitude E6510. However, the touch pad is driving me mad. It's so sensitive that it will respond to my hands being near it, without actually touching it, if ...
9
votes
1answer
1k views

Use M-C, M-V, M-A for Copy, Paste, Select All

I am using Kubuntu Linux 12.04 on a Macbook Pro, and I am seeking the ability to use the Command/Meta key for common shortcuts such as copy, paste, and select all. Attempted solutions: Remap Copy, ...
9
votes
3answers
2k views

Mouse scroll wheel speed far too sensitive

In my Crunchbang installation with X11, openbox, my wireless usb mouse is listed at both /dev/psaux and /dev/input/mouse0. It's working fine apart from the scroll wheel, which although active, is far ...
9
votes
1answer
265 views

Modern Linux desktop handbook?

Within the last month, I have encountered a number of problems involving xf86-video-modesetting (independent of the rest), upower, dbus and systemd (I still can't get OOM to log via systemd). Is there ...
9
votes
1answer
2k views

What is the most compatible tiny X server?

I've been building LFS/BLFS for about a month now, with multiple failures and almost no successes, and I've just been informed that there exist Xorg-like window systems that are incredibly tiny, as ...
9
votes
2answers
234 views

Single key audio capture in Linux (save on key release)

I'd like to run a program that records audio only when the Right Control key is held down. On keyboard release the result would write to disk as, e.g. yy-mm-dd hh:mm.ogg. How might I do that? $ ...
9
votes
1answer
399 views

Screen doesn't always shut off on its own

It seems like when I have certain web pages focused, my screensaver will kick in, but the screen won't turn itself off. Does anyone have any ideas why this might be? Is there a way to disable whatever ...
8
votes
3answers
19k views

Applying changes to xorg.conf without restarting

I'm using Ubuntu 12.04 and making some changes to /etc/X11/xorg.conf. I now need to restart X server to apply the changes, but I don't want to restart my machine. I know restarting the display ...
8
votes
1answer
6k views

Other than Alt + Shift to switch keyboard layout, any other Xorg key combinations?

All I can find about XkbOptions was: Option "XKbOptions" "grp:alt_shift_toggle" Seems I can only use alt+shift combination to switch keyboard layout, any other keys that I can use ?
8
votes
2answers
2k views

UTF8 math symbols & keyboard layout / input

I'd like to use UTF8 math symbols, when typing one list, another list. I've found sth called ComposeKey. Unfortunately it's not covering omega, theta, rightarrow etc. I am using KDE, I've tried ...
8
votes
3answers
5k views

Show a notification across all running X displays

Using the command line, I'd like show a notification on every running X display. ( and running console ) Something like: notify-send-all 'Warning' 'Nuclear launch in 5 minutes, please evacuate' Is ...
8
votes
3answers
7k views

Disable Composite without restarting X

In order for me to watch HD videos without tearing, I need to disable my Composite setting in xorg.conf Section "Extensions" Option "Composite" "Disable" EndSection But I love my transparency, ...
8
votes
1answer
26k views

How to install Nvidia drivers on Debian Jessie

I have installed the Nvidia drivers according to the wiki but with no success. The system hanged during boot. So, how can I install the drivers successfully on Debian Jessie? My PC's specs: GPU: ...
8
votes
1answer
4k views

Where is Xkb getting its configuration?

Is there a way to query where xkb is getting its configuration from? Under ArchLinux I have /etc/X11/xorg.conf.d/00-keyboard.conf with Section "InputClass" Identifier "system-keyboard" ...
8
votes
1answer
2k views

Thinkpad disable TrackPoint

I have a new thinkpad x220t running Arch Linux. There seems to be a problem in the products hardware architecture as the TrackPoint is moving when you convert the thinkpad into tablet mode and put ...
8
votes
1answer
97 views

Is ctrl+alt+backspace officially deprecated?

I was researching how to enable the kill X keybind, historically known as CtrlAltBackspace, and stumbled upon this discussion: https://bbs.archlinux.org/viewtopic.php?id=73617 There, in post #7, the ...
8
votes
1answer
3k views

Why does Stackoverflow in Iceweasel cause high CPU usage for Xorg?

If I go to the front page of this site, and hit page down/page up repeatedly, it's pretty quick, and firefox-bin (iceweasel) uses maybe 50% CPU, Xorg uses maybe 40%. If I go to Stackoverflow's main ...
8
votes
2answers
679 views

Command to move a window to all desktops

I'd like to be able to move (pin) an existing window to all desktops using a scriptable command, rather than through the window menu. wmctrl -r <WIN> -t <DESK> will move a window to a ...
8
votes
1answer
1k views

Lock second mouse pointer & keyboard input to one window

This is basically a lite version of multiseat (see my other question): I can setup two mouse pointers (see e.g. here, here or here) and two keyboards (although my two identical logitech K200 keyboards ...
8
votes
1answer
869 views

Which virtual terminal is a given X process running on?

When X starts, it searches for the lowest unused VT, and attaches to it. My problem is that when there are several running X processes, I need to be able to identify which one is the currently active ...
8
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2answers
785 views

Multiseat with one card and two Xorg instance

Is it possible to set up a multiseat environment with one graphic card and two Xorg instances? That is, one machine with a monitor/keyboard/mouse for the first Xorg instance and a second monitor/...
8
votes
0answers
3k views

xf86EnableIOPorts: failed to set IOPL for I/O (Operation not permitted)

I get this error in Xorg.0.log xf86EnableIOPorts: failed to set IOPL for I/O (Operation not permitted) Googling quickly reveals that this error is caused by starting Xorg as non root user. ...
7
votes
2answers
6k views

Running GUI application as another (non-root) user

Let's say I have 2 user accounts user1 and user2. When I login as user1, and then switch to user2 using su, I can execute command-line programs, but GUI programs fail. Example: user1@laptop:~$ su - ...
7
votes
2answers
2k views

XFCE or pure X11 commands, toggle compositing immediately without restarting X

How can i disable compositing via the command line? I need to disable temporarily for some games, like Nexuiz, for use in a wrapper script to toggle compositing status.