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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0
votes
1answer
25 views

Is it possible to run a virtual terminal in X session

I want to try some svgalib graphical examples which switches to tty7 console. Instead I want to try it in X session, so I need virtual terminal in fixed size (say 100x100) in current desktop without ...
11
votes
2answers
13k 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 ...
5
votes
4answers
43k views

Can't get xterm to work. DISPLAY not set.

Here are my settings: $ xterm xterm Xt error: Can't open display: xterm: DISPLAY is not set $ echo $DISPLAY $ cat /etc/ssh/sshd_config | grep X X11Forwarding yes X11DisplayOffset 10
1
vote
0answers
14 views

Xorg repeatedly tried to add built-in webcam as keyboard

First time poster here. I'm having a problem with xorg and my laptop Dell Inspiron 15 7537 running Ubuntu 15.10. I'm not configuring the nvidia GT750M in my system so no nvidia stuff at all in my ...
2
votes
2answers
4k views

Steam won't start on Ubuntu 16.04

After it was reinstalled, updates downloaded but it won’t start even from the terminal. This is the error message it gives: Running Steam on ubuntu 16.04 32-bit STEAM_RUNTIME is enabled ...
0
votes
2answers
77 views

Dual DVI Monitors not Extending, Lubuntu

I have recently returned to Linux and am attempting to setup my new PC rig. I've run into issues with the way my monitors are setup. I have done a fresh install of Lubuntu (You can view the version ...
0
votes
1answer
49 views

Thinkpad W540 internal input devices not detected in Ubuntu 15.04

The touchpad, trackpoint, and keyboard aren't detected after boot. I know that the keyboard still works because I can use it to navigate the BIOS. Looking at my X server's log, I can see that my ...
0
votes
0answers
33 views

Java Swing Application Ubuntu 14.0.4(x11 problem)

I am using java swing application on ubuntu 14.0.4 32/64 bit os.i am using servlet listener to trigger my swing application.I have configured tomcat as service in ubuntu to start it automatically. ...
0
votes
2answers
391 views

Installing NVIDIA GEFORCE 820M Driver in Ubuntu 16.04 LTS

I want to install Nvidia Geforce 820M graphic card driver in ubuntu 16.04 LTS. I tried all sort of sudo apt-get install nvidia-current and all those ppa, Additional Driver, Synaptic.. But still the ...
11
votes
9answers
23k views

xorg.conf changes from nvidia-setting have no effect after reboot

I have upgraded from 13.04 to 13.10 today and everything works smooth apart from one thing. I have a dual monitor setup and every time reboot the screens have switched places (left screen on right ...
0
votes
0answers
84 views

Ultrawide monitor only showing desktop on part of the screen

I'm currently running Ubuntu 16.04 LTS on a MSI Dominator Laptop, and with the laptop screen disabled and only using my external monitor (LG 34UC88 @ 3440x1440 21:9) Ubuntu refuses to display across ...
2
votes
3answers
4k views

error: Cannot autolaunch D-Bus without X11 $DISPLAY

I urgently need to reset Compiz to its default settings because my desktop doesn't show the Dash or menu bar. When I type: dconf reset -f /org/compiz/ It says: error: Cannot autolaunch D-Bus ...
0
votes
0answers
35 views

How to select/activate monitor to use via terminal?

I have just installed Ubuntu Server 16.04 LTS on an all-in-one pc Acer Aspire Z1650. Installation went smoothly and succeeded. But, now I have a problem. After restarting for the first boot, the ...
0
votes
1answer
40 views

Start X without nolisten tcp on 14.04

I have ubuntu version 14.04 and lightdm version 1.10.6 I am not able to start X with tcp There have been similar questions on this forum, but they all point to creating config in /etc/gdm I dont ...
0
votes
0answers
26 views

How to start X application with specific width an height?

I didn't found good solution except using xdotool enter link description here, Could I just append some arguments after application start command to archive this? Thanks for your help.
0
votes
1answer
162 views

I cant get 1920x1080 with Intel Linux Graphic Driver

have a motherboard with integrated Intel HD 4600 Graphics. Im running a fresh installed Ubuntu 15.10 with the official driver of Intel Installed: intel linux 01 graphics But i cant get resolutions ...
53
votes
5answers
100k views

What is terminal command that can show OpenGL version?

So I want to find out which is my OpenGL version. I have access to Ubuntu via SSH. Which command shall I execute?
1
vote
2answers
73 views

How can I force the X server to use my nvidia card?

I have 2 external monitors connected to the docking station. I can only make 1 of them to work. I am pretty sure that to drive the second monitor I will need to use the NVidia adapter. It used to ...
4
votes
3answers
2k views

Third mouse-button emulation

Up until version 11.04 of ubuntu I could simply add an option to my X InputClass to emulate a third mouse button for my HP TrackPoint like this: Section "InputClass" Identifier "Trackpoint" ...
0
votes
0answers
18 views

How to rotate display under ubuntur server with fluxbox?

I have a desktop with ubuntu server and fluxbox. I want to rotate the display 90 degrees clockwise. I looked online and tried this solution. Append data to xorg.conf run xrandr On my machine, xorg....
0
votes
1answer
92 views

Nvidia GEForce GT 610 installed via additional drivers changed the default color to blue

I did a fresh install of Ubuntu Desktop 16.04 LTS - 64 bit along side Windows 10. When the default nouveau driver was used for my graphics card..the color was purple - default color of Ubuntu Linux. ...
0
votes
1answer
36 views

Reinstalling wine after upgrading 14.04 to XOrg lts-wily

I upgraded a KUbuntu 14.04 LTS install to xorg-core-lts-wily and all its dependencies, in order to be able to run on a 6th gen i3 with a HD520 graphics. That meant I lost wine, and I cannot seem to ...
2
votes
1answer
59 views

How to get all four monitors working?

I have 4 monitors on my desktop setup: ASUS z97-E/usb3.1 NVIDIA GTX 750 ti graphics card Intel Core i5-4690 Two bottom monitors are hooked up to NVIDIA card. Two top monitors hooked up to Intel ...
1
vote
1answer
172 views

Ubuntu driving 4K LG TV (55UF7600)

I have a laptop that is capable of driving 4K screens (drives a 2K screen regularly). I'm trying, without success, to get it to drive a 4K TV (LG 55UF7600) through a Display Port out to an HDMI in (...
0
votes
0answers
101 views

Dual GPU (Nvidia + ASPEED) extended desktop configuration help Ubuntu 16.04

I can't seem to find the answer to my configuration problem. I have 2 graphic cards, one on the motherboard (aspeed) and one on PCI-E (Nvidia). lspci | grep VGA 04:00.0 VGA compatible controller: ...
1
vote
0answers
39 views

mouse focus problem

I've just installed ubuntuMate 16.04 and am encountering a very annoying problem. After using the pc for a while: - it becomes impossible to change focus to another window by mouse click - it is ...
1
vote
0answers
21 views

Use exteral numpad for shortcuts

I have a laptop and an external USB numpad. I'd like to lay the numpad at my left hand and use it for shortcuts, eg. switching desktops, running apps. I figured that I've got to make Linux treat ...
3
votes
0answers
594 views

Xorg can't find screens

I recently installed Ubuntu 12.10 on my laptop. It installed successfully, but whenever I boot into it, after the GRUB screen I get a text TTY. I can log in with that and enter command-line commands. ...
1
vote
0answers
200 views

Enabling VSYNC with Nvidia drivers

I am running Ubuntu 16.04 with a Nvidia GeForce GT 630M graphics card using the 361.42 Nvidia proprietary driver. I am trying to enable sync to vblank for OpenGL applications, but to no avail. The ...
1
vote
2answers
2k views

X fails to load

Today I tried to boot Ubuntu with 9wm (which I had installed before), first by modifying the GRUB boot from 'quiet splash' to 'text', later adding it to LightDM. As it didn't work, I removed the ...
0
votes
0answers
27 views

graphics crashes frequently

I use Titan X under Ubuntu 14.04 and I have installed the nvidia driver. But it doesn't work properly since several days ago. The screen goes like the following suddenly. Sometimes I cannot even ...
0
votes
1answer
40 views

Why “xterm -display localhost:0.0” fails

When running xterm -display localhost:0.0 I get the following error: xterm: Xt error: Can't open display: localhost:0.0 I get the same error if I substitute 127.0.0.1 for localhost but xterm -...
0
votes
1answer
312 views

ubuntu 16.04 xorg crash with AMD R7 370

Upgraded 15.10 to 16.04 today. Resulting in Xorg crash and really slow graphics (llvmpipe). With AMD R7 370 graphics card. From error log read: Xorg crashed with SIGABRT in DoConfigure(). What could ...
0
votes
0answers
33 views

Access to host X11 from multiple containers (lxc) sharing the same GPU is limited to the last activated container

I have a server and 2 lxc containers sharing the GPU (nvidia gtx980 364.19) Vt7, Vt8 and Vt9 When trying to access the host X11 from any of the containers. It only works from the container that was ...
35
votes
6answers
311k views

How does one exit the X server?

The command sudo service gdm stop would successfully disable the X server in Ubuntu 11.04 temporarily. However, this same command no longer works in Ubuntu 11.10, because "gdm" is an "unrecognized ...
1
vote
2answers
890 views

How to configure xvfb?

Could you please tell me how to configure xvfb in ubuntu?
0
votes
1answer
13 views

colordepth won't be set to 8 on an intel HD chipset

I have a laptop from 2012. average graphics- intel i5-520M with its appropriate intelHD graphics- and I have a bizzarre compulsion to view it in greyscale. Trying to set the colourdepth in xorg to 8,...
2
votes
2answers
375 views

Nvidia X Server Settings don't save screen position settings

I have two monitors with resolutions 1366x768(CRT1) and 1024x768(CRT0). CRT0 stays to the right from CRT1 so common resolution is (1366+1024)x768. Recently I noticed that when I move mouse from CRT1 ...
3
votes
1answer
87 views

Exit graphical X session and getting back to TTY

If I start a graphical session (usually Unity Desktop, sometimes XFCE, but a general approach is appreciated) from a TTY using startx, how can I exit this GUI again to get back to my TTY console ...
5
votes
0answers
514 views

Ubuntu 16.04 blank screen after boot, AMD APU

For the past couple of Ubuntu releases the live CD has always worked fine, however after installation I would always get a blank screen on startup. I could reboot the system by blindly CTRL + ALT + F1 ...
0
votes
0answers
21 views

VNC on inactive X display

My girlfriend's computer recently broke, and so I decided to add a user profile for her on my machine. The idea was that I could log into my GUI session, switch to her user account and still be able ...
0
votes
1answer
215 views

DisplayLink ASUS MB168B+ issues

First of all, let me tell you I am fond of Ubuntu and linux, using it every day since 4-5 years now. I love it, i keep loving it but sometimes it is just frustrating to see how much effort it takes ...
2
votes
1answer
304 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, ...
0
votes
1answer
67 views

Alternative to Psensor?

I am looking for an alternative to Psensor. I am running 16.04 LTS on my mid-2010 MacBook Pro and am wanting to monitor temperature and such. I have been using Psensor, and after seeing my CPU ...
3
votes
2answers
280 views

Lubuntu upgraded from 15.10 to 16.04 with nvidia-361 and xserver settings are empty

As the title suggests, I've just done an upgrade. Unlike other unlucky folk, I've had no problems with logging into the GUI. But it seems like the nvidia drivers are not properly installed. My xserver ...
1
vote
0answers
93 views

Help configuring amdgpu config file for three monitors?

I upgraded from 14.04.3 to 16.04 and got no error messages I'm aware of. It boots and I usually use Gnome fallback, but have tried other environments. I have a three monitor system powered by a fairly ...
0
votes
0answers
35 views

Display scrolls with mouse on 3-head prime setup on 16.04

I have a 3-head setup on a Dell L502x optimus notebook. It is an intel Sandy Bridge (i7 2nd) with a Nvidia GeForce GT 540M. Using nvidia prime (not bumblebee) with nvidia as the primary display. ...
0
votes
2answers
104 views

Brightness Control

I recenetly installed ubuntu16.04 on my sony vaio VPCEH35en. The brightness control is not working. I have a Nvidia GEforce 410M . I tried to modify the xorg.conf file but ended up with this: ...
0
votes
1answer
678 views

Bad resolution in Ubuntu 16.04

I have a problem with Ubuntu 16.04. I have a Philips 192E monitor, which has 1366x768 resolution. My graphic card is a AMD Radeon 265. Unfortunately, after installing Ubuntu (fresh install), the ...
0
votes
0answers
9 views

Steam will not work on low colordepth

I have a laptop with that has a low color depth setting (I set it to 8 with StaticGray, or 256 grays), an Intel I5-520M, its appropriate intel HD graphics, and steam. However, Steam flat-out refuses ...