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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5
votes
1answer
830 views

How can I set external monitor as default?

I have connected an external monitor to my laptop through HDMI. Currently either my Desktop is getting extended to the external monitor (with native resolution) or low resolution on both when I ...
4
votes
2answers
7k views

“/etc/X11/X not executable” error when startx

What happened I wanted to install KDE and Gnome along with Unity. I don't know when I installed gnome-shell on my Ubuntu 12.10, but I installed KDE minimal desktop just now using sudo apt-get ...
3
votes
1answer
4k views

Ubuntu won't start after updating nvidia drivers from X-swat PPA

I tried to update the nvidia drivers using: sudo add-apt-repository ppa:ubuntu-x-swat/x-updates sudo apt-get update sudo apt-get install nvidia-current After this, I rebooted my pc, launch Ubuntu, ...
3
votes
1answer
2k views

Can I trust in X/SWAT PPA?

This is the repository for get the lastest NVIDIA propietary. Im not happy with the repos one because Im having problems with unity, sometimes it lags and freezes. But I want to know if I should ...
3
votes
2answers
13k views

How to change xorg.conf file with permission?

I want to edit the /etc/X11/xorg.conf file but I can't save the file. It says "permission denied." How can I edit the file?
2
votes
1answer
1k views

After install Google Chrome in EC2 won't open from Ubuntu Server 14.04 LTS (HVM) command line [duplicate]

I have installed Google Chrome with following command line: $ wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add - $ sudo sh -c 'echo "deb ...
2
votes
2answers
2k views

Internal error message pops up after each time system is rebooted

I had installed Ubuntu 12.04 using Wubi. But each time I boot the system, an internal error message pops up. As shown below: Executable path /usr/share/apport/apport-gpu-error-intel.py Package ...
2
votes
2answers
3k views

Triple monitor setup with an ATI Radeon 4200?

I have a relatively new Powerspec computer (i5 quad core processor, about a year or two old) and just grabbed a new relatively inexpensive ($40?) graphics card. It has 1 DVI, one VGA, and one HDMI ...
1
vote
1answer
3k views

Unable to launch gedit with sudo

While trying to follow these instructions, I encountered the following error while attempting what seems like a simple sudo edit operation: $ sudo gedit /var/lib/dpkg/status ** (gedit:14898): ...
1
vote
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
vote
4answers
2k views

Cannot switch keyboard layouts [closed]

My default keyboard layout is Norwegian (from the 12.04 installation procedure). But I also want to use Icelandic. Two layouts in the "system settings" → "keyboard layouts" is one too many. I ...
1
vote
1answer
1k 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
vote
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
vote
2answers
526 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
votes
1answer
437 views

Xserver error “(EE) module ABI major version(6) doesn't match the server's version(8)”

I have upgraded Ubuntu from 12.04 to 14.04. Afterwards, xserver couldn't start. I have downloaded the latest nvidia drivers from here and rebooted. GRUB now has the following entries: *Ubuntu ...
0
votes
1answer
2k 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
votes
1answer
704 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
votes
1answer
661 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 ...
12
votes
4answers
12k views

Switch between nvidia-current and nouveau without a reboot?

Is it possible to switch between Nvidia's BLOB and Nouveau video drivers on-the-fly? I think I need to be able to: [✓] Unload nvidia [✓] Unload nouveau [✕] Restore the console ...
18
votes
3answers
83k views

How to check the information of current installed video drivers?

I have just installed Ubuntu 10.04. 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 ...
9
votes
6answers
15k views

Run application on local machine and show GUI on remote display

Is it possible to run an application on my local desktop but display the GUI on my laptop (remote X)? I'm wondering if it is possible to emulate a dual-monitor setup using 2 distinct lan connected ...
47
votes
2answers
31k 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 ...
20
votes
7answers
5k 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 ...
8
votes
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
votes
6answers
12k 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 ...
13
votes
1answer
7k 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 ...
8
votes
3answers
30k views

How to restore xserver?

I have recently killed xserver on my machine after a regular update. I have uninstalled and reinstalled nvidia-current with no success. Looks I have reinstall xserver. How do i achieve this? ...
6
votes
1answer
691 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 ...
13
votes
2answers
3k views

How can a script detect a user's idle time?

I want to check, inside a bash script (*), how long the user of a X session has been idle. The user himself does not have to be using bash, but just X. If the user just moved the mouse, for example, ...
10
votes
2answers
5k 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 ...
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 ...
8
votes
2answers
8k 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 ...
6
votes
1answer
789 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 ...
4
votes
1answer
71 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
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
1answer
1k views

How to trigger a color inversion effect for one window?

I want to have an inverse color effect (light to dark) like 'negative' in compiz, but without compiz, and only for one window (like compiz's Super+N) . Is there a way to get a similar effect ...
9
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
2answers
4k views

How do I install the X.org Radeon/ATI driver?

I recently downloaded version 7 of the Radeon/ATI X.org Driver from this link: http://cgit.freedesktop.org/xorg/driver/xf86-video-ati My question is how do I compile and install it? I don't like ...
6
votes
1answer
2k 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
1answer
2k 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
9k 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
0answers
518 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 ...
4
votes
4answers
9k 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
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 ...
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, ...
19
votes
5answers
17k 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 ...
12
votes
4answers
117k 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?
7
votes
2answers
6k views

nvidia-settings makes one of my dual monitors grey and useless, disables network

I'm running Ubuntu 12.04 64-bit, Precise Pangolin, with a PNY GTS 250 1GB video card and a monitor plugged into each of the DVI ports. I'm using the proprietary drivers (post-release updates). If I ...
6
votes
1answer
6k views

Specifying X windows' geometry in the coordinates obtained from wmctrl

In the X documentation I read that the Width, Height, Xposition and Yposition coordinates must be specified in terminal characters when using: gnome-terminal ...