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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21
votes
9answers
29k views

How to change mouse cursor and theme?

How can I change X11 cursor and theme in the newest Ubuntu? I can't find it. Please help.
0
votes
1answer
678 views

nvidia-prime with 14.04 problems

I have a Dell 17xps with an NVidia Optimus 555M graphics card. History It's all worked OK with Ubuntu 12.x and bumblebee, but I really want to use 14.04 and nvidia-prime. I've basically been ...
0
votes
0answers
17 views

Xorg and issues

Today I've tried to install the SixAxis controller using the official wiki page. It succeeded until I removed the harddrive and this happened ...
1
vote
0answers
69 views

Stop or disable keyboard/mouse/input grab from shell

I am trying to debug a full-screen application which uses OIS for input. The program grabs control of mouse and keyboard. When I hit a breakpoint (i'm using gdb), I cannot continue, step, or do ...
0
votes
0answers
22 views

Send a window from one computer to another [duplicate]

Is there any possible way to take a window, just one window, and send it from one computer to another. So, lets say I have Chrome running one one computer. Is there any way I can send that from the ...
1
vote
0answers
54 views

Ubuntu on laptop: opening a window on an HDMI external monitor via command line

Using Ubuntu 14.10 on a Dell latitude, I'm trying to set up an external display connected through a mini-displayport. Ideally, I would like to be able to open a custom full screen application on the ...
0
votes
0answers
23 views

Ubuntu boots into text mode

I turned on my desktop this morning and it booted into text mode and it would not boot into graphical mode. I don't remember doing anything that could have caused this. My desktop was working fine the ...
0
votes
3answers
5k views

How to start GUI application on a remote Ubuntu box via SSH

I can log into the remote Ubuntu (Kubuntu 12.04) machine. Using the info from (How to start a a GUI software on a remote Linux PC via SSH) I tried the following after logging in: user@Kub:~$ export ...
3
votes
6answers
26k views

Make xconf configuration permanent

I edited the xconf file, and added this line to device section: Enable brightness control=1 Now I am able to adjust brightness, but after every restart the brightness setting change back to 100%. ...
2
votes
1answer
142 views

nvidia control panel reporting 60hz on 144hz monitor. how to make ubuntu output 144hz?

OK, I'm using Ubuntu Gnome 15.04 wit gnome shell 3.16.1 and nvidia control panel 349.16 (think that's the newest one, correct me if i'm wrong) I have no idea why it says 60hz under the name of my ...
1
vote
1answer
124 views

No more xorg.conf file in ubuntu 14.10?

I was looking to make modifications to my xorg.conf file because I'm experiencing flash video tearing in the browser (with the xorg nouveau drivers on my intel hd graphics for the Intel D525 Atom ...
0
votes
0answers
19 views

Laptop monitor loses connection and cannot reconnect

I have bought a Lenovo Y40, and it seems to be having a problem with the flex in the lid hinges. The issue is that sometimes when I move the lid in some direction, it shows wired black and white ...
0
votes
0answers
12 views

Xorg blocking a specific color channel

I'm curious as to whether it's possible or not to block a specific color channel or set of channels in Xorg. (I.e. Display only Red/Red and Green on the screen instead of Red, Green and Blue); ...
1
vote
1answer
240 views

Xorg is using 100% CPU with 15.04

Since I upgraded to 15.04 everything is horribly slow, with Xorg using 100% CPU. Can't find any reason in any log file. I have lspci 00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v3/4th ...
0
votes
0answers
37 views

How to troubleshoot a video freeze

System information: Ubuntu 14.04.2 LTS Gnome 3.12.2 kernel 4.0.0-997-generic #201503310205 SMP Tue Mar 31 02:07:04 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux (this is an updated drm/intel-next kernel ...
3
votes
1answer
148 views

How can I map keyboard buttons to my mouse buttons?

I have 2 extra buttons on my mouse that I would like to map as "Home" and "End" I am able to map mouse buttons to my keyboard using xkbset, but I would like to do the reverse and map keyboard buttons ...
0
votes
0answers
84 views

gdm login screen orientation Ubuntu GNOME

I use Ubuntu GNOME 15.04, and probably this issue can be applied to 14.04 and 14.10, too. I use Ubuntu Gnome with vertical orientation for the screen since my device is often used for tablet (Surface ...
0
votes
2answers
100 views

Xsetwacom -list devices having issues

Ok Hi first of all, I am a new born linux user thanks to my uncle. I love it! My only problem at the moment is this: I have a Wacom Bamboo pen and touch CTH-460/k and have recently updated my ...
82
votes
14answers
128k views

How do I disable X at boot time so that the system boots in text mode?

Is it possible to disable X at boot time? I'm setting up a server so it would be nice if it wouldn't load the graphical interface every time I boot.
4
votes
2answers
41 views

“Find” Permission Denied

I am a new user of Ubuntu and I was trying to find my xorg.conf. I used find / -name xorg.conf but it says "permission denied" like in this image. What can I do to get the permission? ...
1
vote
1answer
46 views

Ubuntu Screencast

I want to screencast my minecraft gaming. I did this firstly with recordmydesktop (and gtk-recordmydesktop). It works fine, but the file size is too high (564MB for about 5 min). I also tested Kazam ...
1
vote
0answers
24 views

clutter - Draw above Gnome Shell Desktop

I am aware of the question Drawing over the desktop and I don't think this question is a duplicate. I need a simple way to draw stuff above my Gnome Shell desktop with some scripting language. The ...
0
votes
0answers
31 views

How to custom-tweak X resolution settings

Or should I rather phrase the question: how to construct a custom mode. The story is: I am a proud owner of an aging EIZO monitor (IPS, etc...) which has started to display this flaw of bad lines. ...
0
votes
0answers
45 views

Can't start X server on main partition — Mesa/NVidia conflict?

I am unable to start my X server any time I try booting my computer -- which is running Ubuntu 14.04 -- from the default partition (i.e., by choosing the first "Ubuntu" option in the GRUB menu). ...
10
votes
7answers
4k views

Mouse flickering on one of my two screens

I just installed ubuntu 14.04 and the mouse is now flickering on one of my two screens. The other screen doesn't have any flickering. I was previously using ubunutu 13.10 without any issue. If I ...
3
votes
3answers
13k views

(13.04) lightdm crashing - black screen flashing cursor

I am using the 13.04 x64 release of Ubuntu on my PC and at least it works so far as it should. But suddenly the lightdm crashes during boot and even if I try to start it manually from terminal after ...
0
votes
0answers
34 views

Upgrade hardware enablement stack but retain kernel

Ubuntu 14.04.01 According to official documentation, upgrading the hardware enablement stack in Ubuntu to utopic-lts upgrades the kernel and xorg. I only want to upgrade xorg to correct a display ...
0
votes
1answer
37 views

Ubuntu server 14.04 CLI visual details

Basically I am trying to find out everything that there is to find out about the visual details of CLI of Ubuntu Server 14.04. Before using Ubuntu Server 14.04, I used Ubuntu Server 10.04. When I ...
1
vote
1answer
1k views

lightdm failed to start session; user folder requesting Gnome

We're migrating some old 10.10 users on Gnome to 14.04 using Unity. When they log on, however, the lightdm greeter complains "Failed to start session." /var/log/lightdm/lightdm.log notes: ...
2
votes
0answers
133 views

eGalax multitouch and calibration 14.04

I'm doing some kiosk touchscreen school project. I have eGalax touchscreen and I'm using the latest eGalax drivers. I followed this tutorial : https://wiki.ubuntu.com/Touchscreen I'm using eGTouchU ...
0
votes
0answers
18 views

Should I file a bug report against xserver-xorg-input-synaptics?

I am following this handy guide: https://wiki.ubuntu.com/DebuggingTouchpadDetection So the touchpad never worked, and a usb mouse does - so it directs me to look for something like they show, and I ...
0
votes
0answers
32 views

xorg discrepancies between Unity and Mate

After wasting lots of time with Unity trying to configure some 3 monitors with acceleration properly, i tried xfc and also Mate where the displays and acceleration performs well, out-of-the-box, ...
0
votes
0answers
49 views

Can't get Unity to reload after closing LightDM (Ubuntu 14.04.2 LTS)

Earlier this morning, my computer was running a little slow, and I decided to try to close Xorg using the System Manager(btw, I had done this a couple of times before without any ill effects). ...
0
votes
1answer
1k views

CMake can't find X11

I'm trying to compile Minetest 0.4.10 on Ubuntu 12.04.3 LTS with CMake, but I get this error: andrew@rasts-tv:~$ cmake \Minetest-0.4.10 -- *** Will build version 0.4.10 *** -- IRRLICHT_SOURCE_DIR = ...
0
votes
0answers
31 views

Extend monitor on 12.04 doesn't work with laptop, whereas mirroring does?

I'm trying to extend the desktop from my laptop to an external monitor - Ubuntu detects the display, lets me activate it and extend my desktop to it, but then nothing shows up on the external display. ...
1
vote
1answer
167 views

Lubuntu 15.04 with Silicon 771/671 Graphics Card Higher Res?

I have ask a similar question before on ubuntuforums, but this is slightly different. I had ubuntu (unity) and configured it so that the resolution was quite high and it looked perfect. I have now ...
4
votes
3answers
2k views

Nvidia: Xorg crashes on 15.04: “drmSetMaster failed: Invalid argument”

Nvidia: Xorg crashes on 15.04: "drmSetMaster failed: Invalid argument" On a clean install of Ubuntu GNOME 15.04, I get the following screen after installing the Nvidia proprietary driver: starting ...
0
votes
0answers
188 views

How to setup xorg to use multiseat in Ubuntu 14.04

I trying to setup multiseat on clearly installed ubuntu 14.04.02 with core i3 integrated video and nVidia GT260 video cards. I followed this miltiseat instruction on wiki.ubuntu and manual Multiseat ...
8
votes
5answers
20k views

NVIDIA X Server Settings lost on every reboot

I am running a GeForce GTX 770 on a Z87 Gigabyte mobo and dual-boot Windows 8.1 Pro and Ubuntu 12.04.3 LTS. The setup runs smoothly overall except for when it comes to video and 3D performance in ...
0
votes
0answers
58 views

Displays are mirroring instead of spanning

I have been using a dual monitor setup on my desktop for months. This morning, the monitors wouldn't display so I logged in remotely and rebooted the machine. Now the two monitors are mirroring ...
3
votes
1answer
133 views

How do I opt in to Early Preview of LTS enablement stack?

As explained in the wiki article LTS Enablement Stacks, The Ubuntu LTS enablement stacks provide newer kernel and X support for existing LTS releases. These can be installed manually, or are ...
2
votes
0answers
417 views

/etc/X11/Xsession & LightDM

I'm running Lubuntu 14.10. It seems that LighDM invokes /etc/X11/Xsession only if directed to so by the user. In fact there is no shadow of it in lightdm-session wrapper. startx command line ...
0
votes
0answers
62 views

Setting screen DPI under Fluxbox on QHD+ laptops (like Lenovo Yoga 2 Pro)

I've tried every mentioned workaround here: How to find and change the screen DPI? but non of them work under fluxbox with Ubuntu 14.04, fonts look so small, even though the xdpyinfo | grep dim shows ...
2
votes
0answers
177 views

Ubuntu 15.04 - Won't allow 2560x1440 on Intel anymore

I was previously running Ubuntu 13.04 on a machine with Intel HD4600 integrated graphics at 2560x1440p on a Dell Ultrasharp u2713hm via DVI Dual-Link without issue. Since upgrading to 15.04 however, ...
1
vote
1answer
159 views

Resolution of 4320x900 with TripleHead2go Kubuntu 15.04

I used to have a resolution of 4320x900 but since I upgrade nvidia to 340.76 it gives me a max resolution of 3840x1024. I cannot find the xorg.conf file, any suggestion?
0
votes
0answers
42 views

How can I have both TwinView for an UHD monitor, and a separate monitor?

E.g. 3 monitors, 2 screens, 1 display. Old situation I used to have an HD (1920x1200) monitor and a smaller (1280x1024) monitor connected to my nVidia GeForce GTX 660 Ti. In the NVIDIA X Server ...
0
votes
1answer
65 views

installing X11 header file

I'm trying to compile GAMIT/GLOBK software and there are some prerequisites need. One of them are X11 library (libX11.a, libX11.so, or LibX11.dylib) and X11 header file (Xlib.h). I installed X11 ...
1
vote
0answers
111 views

Ubuntu (14.04) suddenly logout

My ubuntu is suddenly logging me out. I don't know what I can make. Someone has some tips on how to debug this behavior? Which files I need to check? Here is the output from this command: cat ...
0
votes
0answers
74 views

Screen Connected with HDMI glitches all the time

I have a Lenovo Z500 laptop with Ubuntu 15.04 and Windows 8.1 installed. Time to time I'm using my LED tv to watch movies from my laptop but sadly whenever I wanted to do this on Ubuntu, HDMI connects ...
0
votes
1answer
190 views

logging in kicks me back to login screen, 14.04

I'm running Ubuntu 14.04, I've got a Gigabyte gtx-960 gpu and nvidia drivers installed. Yesterday I set up Synergy, and it was working smoothly. Today once I get to the login screen, every time I log ...