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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11
votes
2answers
1k views

Will Mir display server be able to launch X11 applications?

I've checked the wiki but Xorg is not even mentioned there.
11
votes
6answers
10k views

Why isn't my monitor's native resolution appearing as an option? [closed]

I'm on a clean install of Ubuntu 10.04 LTS. My monitor's native resolution is 1280x1024. However, in the Monitor Preferences application, I am only presented with 640x480 and 800x600 as options. My ...
11
votes
2answers
23k views

“You do not appear to be using the nvidia x server”(screenshot included)

I am running ubuntu 11.04 at my asus laptop. Laptop specs: CPU: i5-2410M @ 2,3GHz RAM: 4GB GPU: nvidia gforce GT 520M / (also the cpu has a bult-in graphics processor) I am getting this error when ...
11
votes
3answers
7k views

How to run multiple user X sessions on the same computer, at the same time?

I want to have more than one user logged on at the same time, on the same computer. Each user should have a full GUI X session... It's easy enough to log in to multiple concurrent non-X linux ...
11
votes
3answers
28k views

How do I disable intel graphics in a hybrid graphics setup?

I have a Dell Vostro 3700 version A10. The relevant bits from lspci -v | grep VGA are: 00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 18) ...
11
votes
1answer
2k views

How can I get my monitor's maximum resolution without the proprietary AMD graphic driver installed?

I am using Ubuntu 14.04. I have an AMD Radeon 5570 HD graphic card. Actually, the default open source REDWOOD drivers aren't allowing me to choose my monitor's maximum screen resolution(which is 1366 ...
11
votes
2answers
10k views

Free RAM disappears - Memory leak?

On a fresh started system, free reports about 1.5G used RAM (8G RAM alltogether, Ubuntu 12.04 with lightdm and plasma desktop, one konsole window started). Having the apps running I use, it still ...
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?
11
votes
4answers
84k views

How to reset the Xorg / xserver?

Xserver keeps crashing on my general user account both in Unity 3D and 2D. It doesn't do it on the guest account. That's why I want to reset / rollback everything xserver related, hoping this is ...
11
votes
4answers
349 views

Is there a way to see the text of tty7 without shutting down Xorg?

Is there a way to see the text of tty7 without shutting down Xorg, just like switching to another tty?
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
7answers
19k views

After apt-get upgrade system always boot to low-graphics mode

Some time ago I have installed xorg edgers nvidia 331 drivers for my Nvidia 420M with Ubuntu 13.10. Today I have run like always sudo apt-get update && sudo apt-get upgrade -y && ...
10
votes
3answers
27k views

How to install Intel 82852/855GM driver?

When I installed Arch Linux, it detected my video card and monitors correctly "out-of-the box". Now I've installed Ubuntu 10.10 "Maverick Meerkat" and it has not. How do I configure Ubuntu to use ...
10
votes
2answers
812 views

What is the X server?

I have been using Ubuntu for quite some time but, I have no idea what the X server is? I hear it quite often. I would like to know what the X Server is and what it does. How ~/.xinitrc file is used ...
10
votes
3answers
8k views

How do I prevent .xsession-errors from eating disk space?

Is there any way to completely disable the .xsession-errors file? I have it as a symlink to /tmp so that my laptop hard disk can (hopefully) go to sleep for once, but at least 95% of the stuff in the ...
10
votes
4answers
7k views

How do I get a 4k monitor on DisplayPort 1.2 to show as one screen?

I've just picked up a UP2414Q and I've connected it via displayport 1.2 which runs 60hz. The issue is that it ends up showing X two screens, well kind of, so that I end up with it acting as if I've ...
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 ...
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
1answer
16k views

How do I create the .Xauthority file?

I don't have a .Xauthority file in my home folder. I want to create it, please tell me the steps to do so in ubuntu 10.10. Thank You!
10
votes
2answers
26k views

Nvidia driver installed successfully, but not activated

My Ubuntu 12.04 only shows up black screen when starting up some days ago suddenly. Since I can desktop through recovery mode (resume in recovery mode, and the resolution is wrong), I believe there's ...
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 ...
10
votes
1answer
1k views

Dual screens with one workspace on each?

I have a dual screen, compiz-fusion and i don't have a NVDIA/ATI graphic card and i use ubuntu 10.10. i currently use the two monitors: the desktop is stretched across monitors and i can drag an ...
10
votes
5answers
1k views

Why does switching users completely hang my system every time?

I have a fresh install of 11.04 64bit, with 2 administrator accounts and 4 normal accounts. The 4 normal accounts (the kids' accounts) don't have passwords, they can login simply by clicking on ...
10
votes
0answers
33k views

Ubuntu 13.10 - Black screen after login session [duplicate]

Yesterday, the system asked me if I wanted to upgrade to 13.10 from 13.04. Since that was the first time for me, I decided to proceed and ran the installation without worrying about it. After the ...
10
votes
5answers
464 views

One monitor getting spilled over into other monitor: how to do a 100% reset of gnome graphics configuration

I had to kill a VMWare process and afterwards, my monitor's configuration is buggy. I have 2 monitors in a side-by-side configuration. My right-hand monitor is the secondary monitor. Upon its ...
10
votes
0answers
19k views

How do I fix “Ubuntu is running in low-graphics mode?” [duplicate]

Possible Duplicate: How to fix “The system is running in low-graphics mode” error? First off, I'm running Ubuntu 10.04 on a 30gb partition, the rest of my hdd is for a vista partition. The ...
9
votes
3answers
76k views

How to install X11/xorg?

My 12.04 x64 system won't boot into GUI, but I can still use virtual console with my own account, so apparently it's the Windows Management System that's causing it, how can I reinstall it from tty, ...
9
votes
6answers
16k 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 ...
9
votes
5answers
7k views

How can I toggle between single and dual monitor setup?

I have two monitors working just right with nvidia driver. There are times, however, where I want to have just one monitor and other times where I need two: I must open NVidia XServer Settings, go to ...
9
votes
1answer
11k views

How do I get rid of this monitor error?

I have an Nvidia card and two monitors. Every time I log in to Unity on Ubuntu 11.10, I get this error: "Could not apply the stored configuration for monitors" I have tried opening ...
9
votes
3answers
5k views

Cannot get past login screen

I have lubuntu 12.04, and it was working fine until I installed something and I do not remember exactly what I installed because I was trying to build a ruby gem and it required a lot. now I rebooted ...
9
votes
6answers
2k views

Will Wayland have network transparency?

The Xorg server/client architecture allows for network transparency which means it is possible to start x-clients on a remote machine and display the GUI on the local machine (i.e. via x-forwarding by ...
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 ...
9
votes
2answers
23k views

How do I set the correct monitor resolution with Nvidia drivers for a monitor that does not send EDID?

I keep having trouble getting the correct monitor resolution - every time I reinstall, I happen to use a newer Ubuntu release and the old tricks I used to know no longer work. Instead of leaving a ...
9
votes
4answers
24k 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 ...
9
votes
1answer
1k views

Is there a ubuntu supported X.org alternative (i.e. with security in mind)?

question (what I am looking for?) I am looking for alternatives to X.org, which is the most often used X-Server in linux' graphic systems today (which means also in Ubuntu). Do you know some ...
9
votes
3answers
4k views

How to get Lilliput USB monitor working?

Okay, I just got a Lilliput 7" USB Monitor: Unfortunately, I am having some trouble getting it to work in Ubuntu. It is a DisplayLink device, so it should work in Ubuntu. Here is the output of ...
9
votes
3answers
3k views

How do I get switchable graphics to work on my Samsung RF711 With Intel HD & GeForce 540M Graphics cards on Ubuntu 14.04 LTS

I have an Samsung RF711 Intel Core i7 laptop, running Ubuntu 14.04 LTS 64 bit. This comes with two graphics cards - the Intel one (which runs by default) and an Nvidia GeForce GT 540M (which I have ...
9
votes
2answers
1k 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, ...
9
votes
1answer
2k views

Use local button styles during forwarded X11 session over SSH

Is it at all possible to have a forwarded X11 session be styled with something other than the default X button styles? It doesn't even appear to use my server's actual styles seeing as both computers ...
8
votes
2answers
394 views

How can I toggle the touchpad depending on whether a mouse is connected?

I want to have my touchpad disabled automatically when an external mouse is connected and enabled when there is none. I have tried using touchpad-indicator but that fails in cases when the computer ...
8
votes
4answers
9k views

Screen brightness isn't taking effect on a Lenovo Z570

My Lenovo Z570 has two GPU's, nVidia and Intell. Brightness control has no effect what so ever over the screen brightness, and because I've had some major issues in the past when I was trying to ...
8
votes
1answer
3k views

Will 14.04 be using X.Org?

I heard that 13.10 used a mix of Mir and X.Org. How about 14.04? Will it also be using both or just Mir. If its just Mir then how do we get official (not proprietary) drivers to work (by AMD)
8
votes
4answers
20k views

How to install NVIDIA driver in Ubuntu

I'm running Ubuntu 13.04 on DELL XPS L501 - Nvidia GeForce GT 420M. I'm using kernel 3.9.0-030900-generic. All kernel-headers are installed in the system. and I've tried the following. Use ...
8
votes
1answer
13k views

How to disable -nolisten?

I just installed ubuntu 11.10. I want to run an x-app from another system. I updated ./xinit/xserverrc and removed the -nolisten option. I rebooted. I can see that X is started with the nolisten ...
8
votes
3answers
5k 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 ...
8
votes
2answers
16k views

Trackpoint and Clickpad: enable buttons and scroll (Lenovo T440s) [closed]

I just got a Lenovo T440s which is equiped with synaptics touchpad. By default there's no middle button and right button is at right bottom corner of touchpad. I'm used to the combination of ...
8
votes
1answer
450 views

Is there a simple, safe way to trigger a GPU lockup on a susceptible computer?

Answers to my previous question, Ubuntu 12.04 froze, requiring powercycle. What should I look / grep for in the logs?, have led me to suspect that my computer is experiencing an intermittent GPU ...
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 ...
8
votes
2answers
5k views

Triple-head on a Lenovo T520

Lenovo T520 with integrated Intel HD graphics + a NVidia card (Optimus) Ubuntu 11.10 on the computer. I would like to use the built-in screen plus two external screens. This PDF indicates that it is ...