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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How to use multiple lockers with xautolock

I would like to use multiple lockers with xautolock. The first blanks the monitor after 15 minutes and the second puts my laptop to sleep after 60 minutes. The obvious approach, I thought, would be ...
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116 views

Ubuntu 15.10 Intel video stutter

I have got a Intel nuc5ppyh with an n3700 Intel processor. I've got this system hooked up to my lg TV(60hz). My problem is that I have video stutter in all kinds of video playback (kodi, flash, ...
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48 views

How to load policykit privileges with X on Ubuntu 14.04

In Ubuntu 10-12 I was able to boot in text mode and run startx. However, from a fresh install of 14.04, if I disable lightdm and use startx, startx will load the desktop environment without any ...
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1answer
21 views

Ubuntu X mouse focus button issues - With Solutions

For years now I've used a Cyborg R.A.T.5 mouse and have always had issues with the mouse focus on new installs. There's plenty of info around to fix it but since I lost my original solution I can't ...
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1answer
23 views

Only login page is not being displayed in required 1080p resolution(ubuntu 14 lts)

After fresh Ubuntu 14 fresh installation ,I installed proprietary nvidia graphics driver then generated xorg.conf file by using nvidia-xconfig .Changed the Vsynch and HSynch values to get 1080p.I get ...
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1answer
83 views

Force higher resolution on second monitor on kubuntu

I have an nvidia GTX 260 896 MB and a Monitor Samsung 225 BW that supports 1680x1050 native. And I need to add and apply resolution to nvidia x server settings viewportout to 1920x1080, but it doesn't ...
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1answer
103 views

run startup script which requires a xserver session

I have a python3-script which uses the Gtk-module (imported from gi.repository, for recent-manager functionality), requiring a link to the current xserver session (lightdm service in Ubuntu). Running ...
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23 views

Graphics Issue with Xubuntu 14.04

I was trying to set up my linux machine to run without a monitor. I found this solution online: Add Fake Display when No Monitor is Plugged In. I followed the directions on configuring a dummy device ...
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1answer
156 views

gpu-manager overwrites xorg.conf

I have recently installed the NVIDIA drivers on my Xubuntu 15.10 machine but I had to remove them due to improper multi-monitor setup. Everything went fine, except for the fact that gpu-manager seems ...
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81 views

low display resolution

I have a problem with my new desktop: low display resolution. Here is some simple info of my desktop pc. os: ubuntu 14.04 LTS display card: nvidia gtx 960 I have searched a lot of solutions on ...
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31 views

xorg configuration file load order (for synaptics touchpad)

I'm trying to set some options for a synaptics touchpad to suit my particular preferences. I've worked out what options they are, and can set them using synclient, and things work. However, once I try ...
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1answer
123 views

gdm/lightdm: can't login, but startx works

I just ran apt dist-upgrade. I had ubuntu 14.04. Things went smoothly, but after reboot I can't get past the login screen. I tried both GDM and lightDM, but running startx from the terminal works. ...
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1answer
138 views

Turn off vsync (Radeon) and create xorg.conf

I want to turn off vsync because I want to play games at more than 60 fps. To turn off vsync I have tried to follow this link on the arch Wiki. I created the file .drirc and copy and pasted it. This ...
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1answer
42 views

remap caps lock to right alt

I've had a look at other questions, as well as the xkb options list (/usr/share/X11/xkb/rules/xorg.lst), but can't seem to find a way to map the caps lock key to act as another right alt key. (On a ...
2
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1answer
130 views

Unity keeps crashing back into login screen

Every now and then my desktop freezes and after a few seconds i will see the login screen again. My system is only hours old, and did no bigger changes to the UI. There is no real trigger, seems to be ...
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1answer
40 views

Display still reset to minimum after restarting in ubuntu 14.04

I already follow these instructions provided in Ubuntu StackExchange and display is still reset to minimum after restarting. 1- cat /sys/class/backlight/acpi_videoX/brightness gksu gedit ...
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1answer
57 views

Can I run any other display server on Ubuntu Core, except for MIR?

What are the options to run QT applications on Ubuntu Core ? Should I use docker or are there snapcraft frameworks available for using EGLFS or Xorg ? The hardware platform that I am using is Intel ...
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1answer
74 views

Unity Desktop incomplete when launching manually using 'startx $(which unity)'

This is a follow-up question to 15.10: 'startx $(which unity)' fails when booting to console. I finally managed to load the Unity Desktop after having booted into text-mode. But the desktop I ...
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1answer
195 views

15.10: 'startx $(which unity)' fails when booting to console

I followed this answer and ran the following commands on my 15.10 with Unity Desktop to boot to text mode: sudo systemctl enable multi-user.target --force sudo systemctl set-default multi-user.target ...
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1answer
42 views

Ubuntu 14.04: I have 2 monitors, and full screen spans both of them. I only want full screen on one monitor

I see lot's of people wanting to have full screen span both monitors, yet I only want to be able to full screen an application on ONE of the monitors. Here is my /etc/X11/xorg.conf Section ...
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31 views

lightdm greeter complains Failed to open /dev/null

While upgrading from Ubuntu 12.04 to 14.04 something went sideways. I picked at it and got through. My system's very functional now. However, Lightdm is screwed up. If I manually run X and activate ...
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35 views

ncl-problem with x11 window

I recently installed ncl on another ubuntu system.and I am having trouble with the x11 window. Figures do not plot fully, only a portion of the plot displays and the axis etc are missing. My scripts ...
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1answer
218 views

How to disable my inboard ( intel ) graphic card

I'm pretty new to linux, but I did my best to obtain all information regarding my issue so maybe someone could help out. I have an HP Pavilion dv6 Notebook, with Ubuntu 14.04 manually installed. The ...
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15 views

Mumble can't read input devices

I'm a competitive player and I need mumble. When I installedmumble and used the Push to Talk feature, I can't seem to bind a key. After googling a bit, I found this site, which tells you to either run ...
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55 views

How can I associate XRDP with windows sessions showing application in fullscreen mode

Following this tutorial: https://thepcspy.com/read/building-a-kiosk-computer-ubuntu-1404-chrome/ I have setup Google Chrome to work in KIOSK mode, and setup XRDP via this tutorial/script ...
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1answer
191 views

Unable to forward X11 graphics from Centos on Vagrant

On my real machine (Ubuntu 14.04.3 LTS) I deployed a Vagrant virtual machine and tried to forward X11 graphics from VM to real machine. For this I added in Vagrantfile such configurations: ...
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1answer
102 views

ubuntu does not show its GUI interface after installing virtualbox-guest-x11

I am trying to use my Ubuntu on windows Virtualbox. With reference to this page (http://lifehacker.com/how-to-dual-boot-and-virtualize-the-same-partition-on-y-493223329), I managed to boot up Ubuntu ...
3
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1answer
28 views

How to disable IR receiver

I'm running Ubuntu on a mid 2009 iMac, which has an IR receiver built in. Every time I use the remote for my Apple TV which is seated right next to the computer, the computer responds to the remote. ...
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1answer
55 views

What graphics driver do i use and which is the best one?

Specifications of my laptop: ASUS K53U, radeon HD 6250M graphics card, Ubuntu 12.04 I know that the propretiary driver (fglrx) is not installed because it really slowed down my computer. So now I ...
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0answers
37 views

Cannot login after running startx and rebooting

Yesterday I tested startx, and in user root(admin) I went to x-window system. After this I shutdown Linux by power off virtual machine vmware button. Today, when I turn on Linux in the virtual ...
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0answers
112 views

Ubuntu Server 15.10 Hide Auto-Login Startx text on boot up

I have ubuntu server 15.10 running compiz as the window manager. On boot up I am starting the compiz session with startx in my .profile and then running a GTK fullscreen application that the user is ...
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1answer
72 views

xfce does not start (X.Org X server: no screens found)

chronos@localhost / $ sudo startxfce4 Entering /mnt/stateful_partition/crouton/chroots/precise... /usr/bin/startxfce4: Starting X server _XSERVTransmkdir: Owner of /tmp/.X11-unix should be set to ...
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0answers
52 views

Display flickers, distorts trying to detect second monitor through IGD

I'm trying to get a second monitor working on my system using the integrated graphics HDMI port on my motherboard. My system is an i7 6700k, MSI z170a m5 motherboard, and nvidia 950 gpu. The gpu is ...
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1answer
54 views

Visual fatigue in Ubuntu

Hello I have a problem with ubuntu. Visual fatigue is the problem. After using my pc, my eyes feel really tired. The problem? I have an LED monitor so it's not the technology that's the problem, ...
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349 views

Lightdm won't start anymore - Intel i915

I gave a try to nvidia-prime. Worked at first had my desktop running on nvidia card, but after reboot, it stopped working so I purged the nvidia packages and I am now stuck with a lightdm not running ...
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15 views

after software display flickering

Hello Everybody today i just update my system ubuntu 15.04 ( 64bit ) using software updater now my screen is flickering ( fontsize increasing decreasing almost every where ) my cpu is 100% running, so ...
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1answer
254 views

VirtualGL and TurboVNC: extension “GLX” missing on display “:0.0”

I have a remote computer on AWS (EC2 gl2.2xlarge) with Nvidia GRID card K520 and want to remotely render 3D graphics. I use Ubuntu 14.04 - 64 bit running Unity desktop. Remote and local. For remote ...
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140 views

Startup hangs (graphics/nvidia problem?): Ubuntu 14.04, Lenovo W541 laptop

After foolishly restarting my Ubuntu 14.04 Lenovo W541 laptop, I cannot reach the login screen: screens with GRUB and stylized "Ubuntu (five dots below)" both showed fine, but screen went blank before ...
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1answer
49 views

Quit LightDM & launch a new x-session with an alternative xorg.conf

I'm using Ubuntu 15.10 with the following configuration: LightDM, XFCE, set to one screen across two physical monitors running from two outputs on a single NVIDIA card. This is my normal environment ...
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1answer
92 views

Cannot change graphic driver. All options are greyed out. (Ubuntu 14.04.3 LTS)

I was changing my graphics driver at Software & Updates -> Additional Drivers. I tried X.org, fglrx and fglrx-updates, and they were fine until for some reason I couldn't change it anymore and ...
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1answer
149 views

Can't Forward X11 from ubuntu 14.04

I'm trying to forward x11 traffic through ssh tunnel from my ubuntu 14.04 to another ubuntu machine in my lan, i connect to ubuntu ssh server using ssh -X myuser@172.16.31.2 ,it connects but when i ...
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1answer
251 views

Nvidia drivers apparently broke Xorg configuration

I installed 15.04 on a new Lenovo Edge 2-1580 with an Nvidia GeForce 940M. It appears I need some help with Xorg. The computer will not display lightdm when booting normally. (gdm does not even ...
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0answers
15 views

JfreeChart not giving exception after migrating from Ubuntu Desktop 10.04 LTS to Ubuntu Server 14.04 LTS

I've migrated from ubuntu v10.04 LTS (desktop edition) to Ubuntu v14.04 LTS (server edition). While running my java utility it creates charts using jFreeChart. The display driver used for the ubuntu ...
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1answer
48 views

Rate 144.0 Hz not available for this size

Running xrandr gives the output of: DVI-I-2 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 597mm x 336mm 1920x1080 60.0*+ 144.0 120.0 99.9 1440x900 ...
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1answer
245 views

Ubuntu 15.10 2nd hdmi monitor blacks out

I attach my Gigabyte P34Wv4-BW1T laptop to a 2nd monitor via HDMI. This monitor blacks out randomly. I think it's random, at least. I'm not sure if it's going into sleep mode or not. I went into my ...
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47 views

nvidia-settings is not showing most options

nvidia-settings is only showing the 'Application Profiles' and 'Configure Nvidia Settings' menus. I've tried running it as root, i've tried reinstalling the drivers, i've tried everything I can think ...
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186 views

The system is running in low-graphics mode on Ubuntu 15.10

After googling for hours and trying different things for hours I need your help: I updated the system and after a reboot I cannot log into Ubuntu again (unfortunately I don't know which packages got ...
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37 views

Adding new X session on vt8 results in black screen

I'm trying to add another X session on vt8, for testing a window manager under different conditions without interfering with my regular session. I've done this in the past by simply running startx -- ...
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33 views

libgl.so boot stuck - display manager not loading Ubuntu 14.04

I've managed to break my install of Ubuntu 14.04. On booting I get the Ubuntu (Studio) splash screen, then the screen goes black with a cursor (not flashing) in the top left of my screen. I can login ...
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130 views

Chromium causes high Xorg CPU usage

As said in the title, often Chromium causes a high load because of Xorg using between 50%-90% of CPU. It happens without any evident pattern (maybe it's related to the pinned tabs, but I'm not too ...