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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2
votes
1answer
592 views

Why does my Ubuntu run on low-graphic mode?

My graphic card is Nvidia GTX 460 and I am using Ubuntu 10.04. I have reinstalled graphic driver for two times, but my Ubuntu shows that it runs on low-graphic mode after a period of time of driver ...
2
votes
1answer
2k views

Mac Os keyboard layout in Ubuntu

After working for some time in Mac OS I realised that I quite like the position of "Command" key and various system-wide combinations it is used in, such as Command-W for closing document windows or ...
1
vote
1answer
828 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 ...
1
vote
1answer
2k views

How to emulate Fn (function key) keypress in xte

xte is part of the xautomation package. After hours of man page reading and looking for documentation or working examples, I still cannot get xte to emulate a Fn-F7 keypress. xte 'keydown Meta_L' ...
0
votes
1answer
243 views

Stuttering screens on 14.04 on MacPro

A friend gave me an old MacPro and installed 14.04 on it. Having a problem with occasional stutters on the video - screen freezes for a second or two, then returns to normal. Guessing it's something ...
0
votes
1answer
1k views

Lenovo y510p with HDMI monitor (RESOLVED)

When I boot from Ubuntu 13.10 64 bit live from USB, then secondary monitor on HDMI works fine. After installing Ubuntu, the secondary monitor on HDMI port doesn't work. If I reboot with live Ubuntu, ...
0
votes
3answers
3k views

How can I get the Nvidia driver to drive my projector at 1280x720?

I recently purchased a BenQ W600+ projector that I'd like to use with my ThinkPad T410 with Nvidia graphics running Ubuntu 12.10. The native resolution of the projector is 1280x720 (i.e. 720p), but I ...
0
votes
2answers
8k views

X doesn't start after Upgrade from 11.10 to 12.04

I'm trying to upgrade from 11.10 to 12.04. I was making the upgrade over the X session of 11.10 i386. I was in the middle of the instalation when the X freezed. So i've made a reboot. When it ...
-1
votes
1answer
7k views

Uninstall NVidia drivers? [duplicate]

I've upgraded from 10.04 to 10.10 (in order to be able to upgrade to 11.04). It seems like the current graphics drivers are incompatible with the latest kernel I have. I don't know if I have ...
7
votes
4answers
7k views

Can I limit the size of ~/.xsession-errors?

Is there some way to limit size of .xsession-errors.? I'm getting huge numbers of one particular debug information messages and it has blown the file size up to 2.8 GB (over many months). The ...
6
votes
1answer
3k views

How do you run a GUI application without GUI (gui application as daemon on headless server)?

Okay, so I want to run a GUI application as daemon on a server without X. The application is a java program. It can be configured in a configuration file so the GUI is not necessary to use it. ...
6
votes
1answer
1k views

How to fix my middle mouse button being recognized as left mouse button?

I've updated my system to 10.10 and since then my "middle mouse button" (on my laptop, under touchpad) is recognized as my "left mouse button". If I open xev, I can see that both, my "left and middle ...
5
votes
1answer
13k views

gedit “cannot open display” , on remote computer , using ssh - Ubuntu 12.04 [duplicate]

Possible Duplicate: How do I run a graphical application on a remote server when logged in through ssh? I am getting the following error message when using ssh to log into a remote ...
5
votes
2answers
2k views

1080p choppy on two different GPUs, what else could it be?

I'm building a HTPC with this ASRock E350M1/USB3 motherboard. The onboard ATI Radeon HD 6310 graphics had a hard time swallowing a 1080p x264 mkv (~10 GB) so I popped in a discrete Nvidia GT 240 ...
5
votes
1answer
866 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
9k 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
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
14k 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
2k 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
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): ...
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
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
531 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
671 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
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
711 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
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
669 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
votes
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 ...
24
votes
3answers
98k 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 ...
11
votes
6answers
21k 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 ...
50
votes
2answers
35k 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
6k 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 ...
9
votes
2answers
8k views

How to run 2 X sessions with different display managers?

I read about the virtual terminals a little and that gave me an idea. I searched for a way to have two X sessions simultaneously. I had a look at these sites : 1. How to run multiple user X sessions ...
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 ...
6
votes
1answer
957 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 ...
16
votes
6answers
13k 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 ...
15
votes
1answer
9k 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 ...
9
votes
3answers
34k 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? ...
24
votes
1answer
10k views

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

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?
14
votes
2answers
4k 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
6k 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
12k 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
939 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
80 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 ...