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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7
votes
3answers
7k views

Let Xorg listen on TCP, but only to localhost?

I have some X client program which needs access to an X server. It is only able to access the X server by TCP, not by other methods like unix domain sockets. It will run on the same host as the ...
2
votes
1answer
2k views

Configuring multiple mouse settings

I am a left-handed thinkpad user and have grown used to using the trackpoint in its default right-handed configuration. When I use my bluetooth mouse, however, I would like the buttons to have a ...
5
votes
1answer
1k views

Higher resolutions unavailable with 2.6.38-8 kernel [closed]

After upgrading to Natty and the 2.6.38-8 kernel I could no longer obtain the 1920x1080 resolution available in Maverick with 2.6.35-22. In fact the boot occasionally hung. However, after selecting ...
2
votes
2answers
1k views

Which is the best place to check the compatibility of video cards?

I need to look for a laptop that will work flawlessly with Ubuntu, I know that Intel video cards nearly always have open source driver(rare exceptions exist) and that NVidia's proprietory driver works ...
1
vote
2answers
7k views

“Unable to copy the user's Xauthorization file”

I'm trying to install a .deb package in Natty using gdebi package installer: But when I click "Install", the following error message comes up: Also, when I try to install anything from the ...
1
vote
0answers
1k views

Random X crashes in Ubuntu 11.04 [closed]

I've been getting random X crashes in Ubuntu 11.04 the last few days. This occurs both at work and at home, i.e. on a Lenovo T series Thinkpad and on an Acer Aspire 58x-series (if memory serves). ...
2
votes
2answers
8k views

NVIDIA config missing “driver line” in default device section, not booting to gui

I've just installed a clean version of 11.04 and I am trying to get the NVIDIA driver to work. Just after installing I've seen Unity and used it. Then I activated the NVIDIA driver (from the ...
0
votes
2answers
275 views

What happens to shift-alt-f[1..12] in Gnome desktop?

When I key in ctl-alt-f[1..12], I am taken to VT1[ ..12] (Virtual Terminal 1..12). This works wherever I am. From a Virtual Terminal that is not running a graphical environment, shift-alt-f[1..12] ...
1
vote
1answer
437 views

When will the Catalyst 11.4 driver be available?

I've seen a lot of questions about unity performance . When is an official Ubuntu update for the proprietary ATI driver coming . People are saying this is improving unity performance a lot . Sorry but ...
0
votes
1answer
216 views

Natty graphical corruption [closed]

Originally I did a upgrade for 10.04.. saw the corruption.. then did a fresh install on same hardware only to find the same behavior. Any help is appreciated.. some details: Running gnome ...
9
votes
4answers
25k views

How do I use a DisplayLink monitor?

I'm trying to connect an external monitor to my laptop via a DisplayLink USB adapter. When I plug in the USB cable, the screen turns bright green. This apparently indicates that the udflib displaylink ...
1
vote
0answers
608 views

Upgrade to 11.04 broke GUI entirely [closed]

Yesterday I ran the upgrade to 11.04 from 10.10. While it was configuring the packages, the display froze (as it was configuring libatm1, not that that necessarily matters). Apache and SSL weren't ...
1
vote
1answer
824 views

External display flickers after upgrade on a Lenovo ThinkVision L2440p

I used ubuntu 10.10 so far and I connected my Lenovo Thinkpad 420 via VGA with my display Lenovo ThinkVision L2440p without any problems. Since I upgraded (it was not a fresh install) to ubuntu 11.04, ...
1
vote
0answers
680 views

Random X crash on Kubuntu 11.04 [closed]

I have been getting some random X crashes on my laptop. everything this happens. The system freezes for some seconds then am thrown into a black console with the following *Setting sensors limits ...
3
votes
3answers
3k views

TwinView keeps the desktop stretched when external monitor removed

I have a HP laptop with an nVidia card, and I'm using Ubuntu 11.04 (stable). I have set up TwinView using the nVidia X Server Settings application. If I boot up without my secondary monitor plugged ...
1
vote
1answer
1k views

Issue With 3 Monitors

I have a fresh install of 11.04 (reformatted etc) and I am having problems with a 3rd monitor. I'm running 2 video cards and the default NVidia drivers. I let the drivers generate my xorg.conf because ...
7
votes
3answers
22k views

How do I install root-cern?

Cern's ROOT environment installs fine on 10.10, and is even available in the Software Center, but it will not install or compile on Natty because the x11 directories are in new locations. I can ...
6
votes
1answer
3k views

ATI Radeon HD 4870: dead end

I have an Radeon HD 4870 video card, and I have just update to Ubuntu 11.04. Before I was using radeon free video driver, and all hardware acceleration I used was to watch movies on my TV. My TV is ...
11
votes
2answers
3k views

How can I start a different X session on tty8?

Let's say, for an example, I want to run a full-screen opengl application on tty8 and have my standard GNOME desktop on tty7. How can I configure Ubuntu to meet my requirements?
1
vote
0answers
493 views

How to fix gray screen in Gnome/X windows? [closed]

Gnome/X, the screen goes gray (nearly black). The mouse is still there and still works. Everything else still works but can not be seen. I know someone that has this problem a lot, the screen will ...
4
votes
2answers
8k views

Can't compile matplotlib on Ubuntu 11.04 / ft2build.h: No such file or directory

I'm trying to build matplotlib from source but it isn't working. It seems this thing was a part of X11, and since Ubuntu is now using Wayland that screwed things up, I think. Anyway to fix this? Oh, ...
1
vote
2answers
1k views

Black screen after upgrading Natty

I have upgraded the new released Natty today but after restarting i got black screen i have reinstalled the grub using live cd i have copid xorg file from /usr/share/X11/ from another computer ...
3
votes
0answers
1k views

Startup splash screen flashes then black screen [closed]

I just tried upgrading from 10.10 to 11.04. Everything went smoothly until the very end when it gave a message saying that there was a problem with the installation, but it still completed and told ...
4
votes
0answers
28k views

xorg.conf in ubuntu Natty 11.04 [duplicate]

Possible Duplicate: Where is the X.org config file? How do I configure X there? I am not able to manually configure since I can't find my xorg.conf under /etc/X11/ I read in a forum that it ...
30
votes
7answers
92k views

NVIDIA drivers not working after upgrade. Why can I only see terminal?

Tonight I upgraded to 11.04. Problems. Once I had finished the upgrade, I restarted my computer as it told me too. When I got past the ubuntu 11.04 (purple background orange dots), it simply went to ...
4
votes
3answers
793 views

Getting the PID of the process showing a particular window

I want to know the process ID of a particular window. I have seen and used the Force close panel applet, and I'd like something similar that would report me the process ID of the window I select. If ...
2
votes
1answer
284 views

Can I prevent X from crashing when I unplug my external monitor?

I have a laptop (Acer TravelMate 8471), which I connect to an external monitor, keyboard etc. when I'm at home. When I unplug my laptop, I have to remember to go to the Monitor Preferences and turn ...
1
vote
1answer
326 views

How to use loose focus feature of Xserver?

I want one window to loose mouse focus (its a game, and alt-tab doesnt work as it should). There is this interesting commit that i reached with searching and reading, but dont know how to use DeaGrb ...
49
votes
2answers
33k 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 ...
3
votes
2answers
662 views

I'd like to prevent maximize from covering one third of the screen

Using Ubuntu 10.10, gnome, and dual nvidia monitors. Gnome panels and docky are able to "reserve" part of the screen for themselves in such a way as to prevent maximized windows from covering them ...
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 ...
0
votes
1answer
527 views

How to use ~/.XCompose in Qt/KDE Apps

I installed a very nice ~/.XCompose file (which I found on github). However, KDE apps at least do not use it unless I manually select XIM input mode on all the widgets. Is there a way to specify this ...
0
votes
1answer
311 views

How do I type a backtick in RubyMine with a Swedish keyboard layout?

I am currently saddled with a Swedish keyboard at work (TMALSS: I left my nice Japanese one at home), which has some deadkeys, one of which is backtick. I can type a backtick just fine in any ...
4
votes
1answer
17k views

How to make X.org listen to remote connections on port 6000?

This is on Ubuntu 10.10 (Maverick Meerkat) 64-bit desktop. I want to make my X server listen to remote connections from clients in other machines on the local network. I know about ssh -X and that is ...
1
vote
1answer
15k views

Exception on Desktop[sic!] sun.awt.X11GraphicsEnvironment

I'm trying to run different java-swing programs, which used to run before, but I can't start them from the commandline, without getting this error: java GuessGame Exception in thread "main" ...
1
vote
3answers
2k views

How to get serial number of my monitor?

How can we get the serial number of monitor in ubuntu?
0
votes
2answers
2k views

How do I turn off the laptop screen while using an external monitor?

When I close my laptop lid, all my screens are turned off (my laptop screen and my LG M237WA monitor). I'd like to know how do I make it turn off only the laptop screen and keep the monitor on (I ...
1
vote
1answer
140 views

Xorg fails to load [closed]

live cd version works great but on the installation X crashes saying screens found but non have usable configuration. This is on an old PC.
5
votes
1answer
853 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 ...
3
votes
1answer
1k views

Three monitors supported on NVIDIA card?

I have a NVIDIA GeForce GTX 460 and have been trying to figure out if it has three monitor support. I tried plugging in three monitors and the card does pick all three up. After I set them up, save ...
2
votes
1answer
2k views

How do i fix the slow scroll in browsers and high XOrg cpu usage

I am facing an issue while scrolling in browsers(firefox, chrome, and opera) , scroll is jagged and slow. Also when scrolling the cpu usage spikes. I am currently running ubuntu natty(beta 1), ...
3
votes
1answer
763 views

Monitor switching when closing the lid of notebook [duplicate]

Possible Duplicate: How can I tell Ubuntu to do nothing when I close my laptop lid? In the office I use my notebook with an external 22" monitor. So I don't need the notebooks lcd and I ...
7
votes
6answers
5k views

Joystick acts as mouse; won't stop

Joystick acts as a mouse, even when I'm playing a game that uses a joystick so I get random mouse events going on. I plugged a joystick in to play Spiral Knights, also installed joystick and ...
3
votes
2answers
335 views

How to setup a ubuntu home network based on a powerful server and many outdated laptops as terminals?

I am wondering if it is easy to do this. I know that using X to serve the other computers ain't that difficult. I just have no idea how would I have to configure the laptops in order for them to work ...
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 ...
6
votes
2answers
623 views

Are x11 bitmapped fonts necessary?

Are the x11 100 and 75 dpi fonts absolutely necessary? If Ubuntu has TrueType support, (as well as OpenType) why do I need all those bit-mapped fonts hanging around? Can I delete them? (and/or ...
1
vote
0answers
358 views

Barcode font doesn't render properly [closed]

I use a barcode font that came with my POS software for printing labels and price tags. I have a database set up in LibreOffice that prints a report with the barcodes. However, not all of the glyphs ...
1
vote
0answers
446 views

How to use Xephyr without disabling access control or using xdmcp? [closed]

I want to run a program (eg xterm) inside Xephyr (a nested X server). Most of the instructions say to run "Xephyr :1 -ac" and then in another session run "DISPLAY=:1 xterm". This disables access ...
2
votes
2answers
3k views

How to add a new screen resolution for nVidia?

How can I add more screen resolutions to Thinkpad (W510) LCD? I want to clone the external display which has a bit different sets of resolutions. The best resolution that is common to both displays is ...
0
votes
1answer
667 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 ...