Questions about X.Org Server (commonly known as Xorg Server, XServer or Xorg), the software that runs the X window system used by most desktop window managers (GNOME, KDE, etc)

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1
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3answers
359 views

How to install Nvidia driver?

First of all after installation of Ubuntu 14.04 I was having problem - system freezes after few minutes of work. I installed nvidia-current driver, it helped. I decided to install something more ...
1
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2answers
725 views

Trusty: Flickering problem with xorg opensource driver on ATI RV710 [Mobility Radeon HD 4330/4350/4550] [1002:9552]

Last week I reinstalled Ubuntu 14.04 on my laptop and since then I'm experiencing strange short horizontal flicker. It's hard to describe so here is a video of it and this is my current setup: lspci ...
1
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2answers
2k views

marble mouse middle click fail in 12.04

On recently upgrading to 12.04, I find that the middle click with my logictec marble mouse doesn't work any more (formally achieved by clicking both buttons). Anoying since I can't do a middle-click ...
1
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1answer
2k views

Multi-screen and Nvidia GT220

Excuse me first for my broken English I have 3 monitors on two Nvidia GT220. Unity 2D works fine after using the proprietary drivers. But no way to use compiz effects. I'm on Ubuntu 11.10 (I also ...
1
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2answers
3k views

xorg.conf to get current “Section ”Device" content

by default the xorg.conf doesn't exist in /etc/ I could generate it by Xorg -configure. However in order to do this. I need to stop xserver. I can't do it at the moment. So is it possible to get ...
1
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2answers
546 views

Where can I find wayland?

Mark Shuttleworth writes that wayland will be replacing X in the future in Ubuntu. Where can this software be found?
0
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1answer
346 views

Set up 2 graphics cards to display to 3 monitors on Linux Mint 17.2 XFCE [closed]

Basic Data Graphics Cards: 2x GT 9600 Displays: 3x Dell 1907FP @ 1280x1024 OS: Linux Mint 17.2 XFCE Nvidia Driver: nvidia-340 (recommended) I also have a Geforce GT 610, Geforce 8400 GS, Geforce ...
0
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1answer
4k views

Xserver doesn't want to start

I have a problem with 14.04, my machine wouldn't come back as usual from stand-by to showing me the password prompt but it displayed some message that didn't contain much information on a shell screen ...
0
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1answer
1k views

Where did /usr/lib/X11/xorg.conf.d/10-synaptics.conf go?

On my Macbook I can only move the cursor while also pressing the touchpad after a default install. A per login session fix is to run "synclient FingerLow=10" and "synclient FingerHigh=20". In order ...
0
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2answers
3k views

Recover xorg.conf from read only terminal

After changes in my xorg.conf, i can not restart X anymore. So on Grub i choose , limited vodeo mode, then "root prompt". Though it seems to be a read only access, so i can not replace my current ...
0
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1answer
728 views

Unity / Compiz problem after update from Xorg ppa

After update from Xorg ppa (ppa:xorg-edgers/ppa) I have many problems with Unity Shell / Compiz. Preview of moving icons is broken and GTK theme of unselected windows breaks. Video: ...
0
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1answer
2k views

How can I use both Intel onboard and Nvidia graphics at the same time?

How can I use both Intel onboard graphic chip and nVidia card at the same time? I googled a little and lots of people said I need SLI or crossfire support for both of my cards, but I managed to do so ...
0
votes
1answer
680 views

2.6.35-28 kernel update breaks Xorg [closed]

After I updated to 2.6.35-28, my Plymouth graphics still works, but when the system tries to launch X11 and GDM, the screen would flicker several times and it will fall back to TTY. In the TTY ...
0
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2answers
2k views

3 monitors with 2 video cards not working

I'm trying to get ubuntu working w/ 3 monitors. I have been given 2 video cards lspci | grep VGA 20:01:00.0 VGA compatible controller: ATI Technologies Inc RV620 LE [Radeon HD 3450] 25:05:00.0 VGA ...
33
votes
5answers
151k views

How to check the information of current installed video drivers?

My CPU usage is high when I do trivial things such as scrolling through a PDF file. So I think my video driver is not properly installed. I want to confirm that by checking the information of my ...
72
votes
4answers
46k views

What is the difference between `ssh -Y` (trusted X11 forwarding) and `ssh -X` (untrusted X11 forwarding)?

What is the difference between ssh -Y (trusted X11 forwarding) and ssh -X (untrusted X11 forwarding)? As far as I have understood it, it has something to do with security, but I did not grasp the ...
26
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4answers
201k views

How to kill and to start the X server?

In 12.04 How do you kill the X server from the command line and from the GUI interface and how do you start it from the virtual terminal?
22
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4answers
17k views

Remapping Caps Lock in 14.04 Trusty Tahr

I've seen a number of questions that point to a GUI menu to remap caps lock, but that menu seems to be gone in 14.04. Am I just not finding it, or is it really gone? I know you can use xkbmap to remap ...
18
votes
5answers
5k views

How can I map a character to a key combination?

I'm a bit of a fan of the interrobang (‽), but it obviously is not on my keyboard. How can I map that character to a key combination?
32
votes
2answers
20k views

I accidentally hit Ctl Alt F<num>. How do I return to the GUI? [duplicate]

I'm using 12.04, I accidentally used Ctl-Alt-F9 and got a black full screen with command line cursor (Terminal). How can I go back to the normal Unity screen?
23
votes
7answers
8k views

Alt+tab out of fullscreen game

Right now I'm running Trine, which is a game using OpenGL running in fullscreen, in Ubuntu 10.10. What I would like to be able to do is Alt+Tab out of the game to be able to browse the web, check ...
18
votes
6answers
15k views

How to run two X sessions at the same time?

I would like to run two X server instances at the same time. One would be an interactive session using the mouse and keyboard attached to the computer. The other would be a 'virtual' session that I ...
11
votes
3answers
10k views

Extend Desktop to Monitor over LAN

I want to make use of an old laptop by extending my the desktop from my main PC onto the monitor of this other, old laptop over a LAN connection. I've looked into Xdmx/dmx, but the project seems to ...
9
votes
1answer
2k views

`xcalib -i -a` controls only one of two screens - can it control both?

I am using 2 screens, and wish to invert the colors on both of them without using compiz (I'm using gnome shell). I can use xcalib -invert -alter as suggested in this question, but it only inverts ...
8
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2answers
2k views

Automatically change resolution when connecting an external monitor, nvidia driver

I run ubuntu on my macbook pro, with nvidia proprietary driver. I've made a little hack script http://www.coldcode.net/2010/05/nvidia-auto-display.html which detects the presence/absence of an ...
15
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1answer
12k views

Where do I find a list of all X keysyms these days?

They used to be in /usr/lib/X11/XKeysymDB or /usr/share/X11/XKeysymDB, but those have been missing from Ubuntu for a while. I've tried google, but all I get are more references to XKeysymDB or the ...
6
votes
2answers
7k views

Is it possible to start an additional X server after the system boots in 12.04?

I'd like to have 2 VT's running, one on VT7 with the standard lightdm + unity interface and another on VT8 running a custom script which will launch a virtual machine in full screen. At the moment ...
25
votes
5answers
26k views

Why is Xorg taking up so much memory and CPU?

I recently reinstalled Ubuntu 11.04 Natty after a massive hard drive failure. Now, for some reason, compiz and Xorg decide it's a fun idea to start eating up my RAM and CPU - GB by GB. Starts out at ...
13
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2answers
22k views

Xconfig xrandr badmatch

Recently I minimal installed my OS, but got an unexpected error while setting my monitor resolution. it seems like a very old problem, but this time there are something else(I think). to install the ...
10
votes
1answer
1k views

ButtonMapping - Positional parameters

In an X configuration file mouse buttons can be mapped using a ButtonMapping option: Section "InputClass" # ... Option "ButtonMapping" "1 9 3 4 5 6 7 8 2" # ... EndSection Changing the ...
10
votes
2answers
3k views

How can I change my keyboard layout to a modified version?

Now, my goal is to change the keyboard layout for the entire xubuntu install to my own modded version. I think the way to do this is to make an X11 keymap and load it - but as always there is a ...
9
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2answers
19k views

Ubuntu 14.04 nvidia-prime “is it supported? no”

I have an Optimus laptop, a Dell XPS 15 L502, which I've had for a few years and have tried various things on (bumblebee, nvidia-prime, linux kernel optimus support). The graphics card is an NVIDIA ...
9
votes
1answer
1k views

Mouse click events are delayed when moving the cursor in xubuntu 12.04

I am trying out live xubuntu on my samsung n150 (netbook, similar to eeepc). So far everything seems perfect, except for this one thing. When I am clicking the mouse while moving the cursour, the ...
6
votes
4answers
9k views

How do I recover when Compiz crashes?

Often compiz will crash and leave the keyboard useless. Normally I drop to the console and restart GDM. Is there a solution where I can start Compiz back up without losing everything in the current ...
4
votes
1answer
132 views

How is X started on Ubuntu?

I would like to know the exact process used by Ubuntu (if possible with location of configuration file) in order to start X (with lightdm). I did not find any precise, detailed and comprehensive ...
11
votes
2answers
40k views

Where is Xserver log file located?

My Ubuntu 10.10 sometimes totally freezes. I suppose that it is somehow related to my graphic card and would like to check Xserver log. Where is this file located ?
11
votes
0answers
7k views

Where is /etc/X11/xorg.conf? [duplicate]

Possible Duplicate: Where is the X.org config file? How do I configure X there? Where is the xorg.conf file in Ubuntu 10.04? I couldn't find it in /etc/X11/xorg.conf
10
votes
2answers
2k views

Application-specific key combination remapping?

I'm aware of a number of ways of remapping key combinations in Ubuntu on a global basis (e.g., globally remapping Ctrl+S to send Ctrl+D or something), such as the xbindkeys application. What I need, ...
10
votes
4answers
3k views

How to set up Ubuntu to automatically turn NumLock on when an external keyboard is attached and off when it is not?

Having NumLock on is convenient when using a full-sized external keyboard (having a keypad) and very inconvenient when using laptop's built-in keyboard (which places digits instead of letters on the ...
7
votes
1answer
4k views

how to configure a trackpoint only mode on thinkpads with clickpads

I own a Thinkpad carbon X1 gen2 notebook with the new touchpad (clickpad). The same clickpad seems to be used in the T440 and W540 models as well. I would like to turn off the touchpad but still be ...
5
votes
5answers
5k views

No GLX on Intel card with multiseat with additional nVidia card

I have multiseat configured and my Xorg has 2 server layouts. One is for nVidia card and other is for Intel card. They both work, but display server assigned to Intel card doesn't have hardware ...
5
votes
1answer
3k views

How to edit synaptics configuration? xorg.conf way doesen't work

I need to bind the TapButton3 as central mouse button so i do: synclient TapButton3=2 it works great but when i restart or wake up from suspension it forgets the setting. i know that i have to ...
5
votes
1answer
12k views

How to save the current Xorg configuration to Xorg.conf?

I've this situation/hardware on my desktop PC: Ubuntu Linux Oneiric 11.10 (32 bit) Monitor Asus VW222s (22'') 01:00.0 VGA compatible controller: nVidia Corporation G92 [GeForce 8800 GS] (rev a2) ...
4
votes
5answers
6k views

Changing the brightness stopped working in 13.10 Saucy Salamander

After the upgrade to 13.10 Saucy Salamander, the brightness controls stopped working. This worked fine from 12.04 throughout. Does anyone have an idea how I can fix this? If not, can you point ...
4
votes
4answers
10k views

The NVIDIA X driver is not new enough to support the nvidia-settings Display Configuration page

I've been trying without success to configure dual monitors on 12.04, I've installed the nvidia drivers but the gui tool doesn't seem to support my graphics card. Any Idea on how to resolve this? ...
3
votes
1answer
528 views

14.10 Dual Monitors are displayed as distorted single screen mode

I have very recently updated my Ubuntu OS from 14.04 to 14.10. I am running on an optimus enabled laptop, with Intel 4000 graphics and an nVidia 640M. *-display description: ...
3
votes
4answers
7k views

Problems with nvidia drivers on Dell XPS

Just trying to install Ubuntu on my laptop and can't get nvidia drivers to work. Have been googling and trying for a while, but since I am not used to Ubuntu I am not sure quite how to diagnose the ...
3
votes
1answer
2k views

How to get second display to work alongside primary display?

I've almost got this problem solved... I've got both displays working now. The secondary display is displaying a purple background. Unfortunately, I can't use it. (I can't move the mouse into it, ...
2
votes
2answers
14k views

X server doesn't work on Ubuntu 14.04. What may be happening?

This how I used to setup my X Server on Ubuntu 13. apt-get update apt-get upgrade # nvidia apt-get -y install nvidia-current apt-get -y install nvidia-current-updates # x server apt-get -y install ...
1
vote
0answers
280 views

Cant get full resolution on Second monitor with nvdia geforce 210 on 14.04

I am using two Samsung 1920x1080 monitors with my Ubuntu 14.04 machine having an nvdia geforce 210 graphic card. The first monitor is connected to the VGA port and the second monitot to the DVI port ...