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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2
votes
1answer
14 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. ...
0
votes
0answers
22 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 ...
1
vote
0answers
15 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
votes
1answer
51 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 ...
1
vote
1answer
15 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 ...
0
votes
1answer
20 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 ...
3
votes
1answer
36 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 ...
4
votes
1answer
45 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 ...
-1
votes
0answers
43 views

\[SOLVED] After running an upgrade i have no GUI - Wily [closed]

Resolved This might be a very case specific solution, i updated my DE (sddm) because it somehow wasn't upgraded: sudo apt-get install sddm -y I am aware i am asking a duplicate question, but ...
1
vote
1answer
27 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 ...
0
votes
0answers
16 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 ...
0
votes
0answers
15 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 ...
0
votes
1answer
43 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 ...
0
votes
0answers
6 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 ...
0
votes
0answers
18 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 ...
1
vote
1answer
29 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: ...
1
vote
1answer
25 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
votes
1answer
11 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. ...
0
votes
1answer
40 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 ...
1
vote
0answers
22 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 ...
1
vote
0answers
37 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 ...
0
votes
1answer
26 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 ...
1
vote
0answers
25 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 ...
0
votes
1answer
27 views

Visual fatigue in Ubuntu

Hello I have a problem with ubuntu. Visual fatigue is the problem, i use the pc and later i feel the eyes bad, the problem? i have a led monitor so tecnically isn't there problem,ubuntu is the ...
0
votes
0answers
110 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 ...
0
votes
0answers
13 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 ...
0
votes
1answer
39 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 ...
0
votes
0answers
50 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 ...
0
votes
1answer
29 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 ...
-3
votes
0answers
22 views

ubuntu boots to terminal [duplicate]

I was trying to install database software in Ubuntu but something got wrong and when i restarted pc, Ubuntu command line opens where it asks for login which fails saying unable to connect to database ...
0
votes
1answer
59 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 ...
0
votes
1answer
39 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 ...
1
vote
1answer
53 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 ...
0
votes
0answers
10 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 ...
0
votes
1answer
24 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 ...
0
votes
0answers
136 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 ...
0
votes
0answers
31 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 ...
0
votes
0answers
102 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 ...
1
vote
0answers
17 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 -- ...
0
votes
0answers
17 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 ...
0
votes
0answers
54 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 ...
0
votes
0answers
35 views

I messed up my Ubuntu OS pretty bad

It started out as an error with a package but as I tampered with it I ruined a whole bunch of things. I have already existing full hard disk encryption, I tried to re-install the OS but, it didn't ...
0
votes
0answers
22 views

How to reset multi monitor configuration for unity desktop on a specific user?

I am having problems with multi monitor settings in my laptop. It is an Acer Aspire V with an HDMI port. When I connect the port to a display: the screen freezes except for the mouse pointer ...
3
votes
0answers
27 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 ...
0
votes
0answers
25 views

/usr/include/X11/Xlib.h:230:2: error: conflicting types for 'GC'

I am trying to build xorg-server-X11R7.2-1.2.0 on my Ubuntu system. Where I got my files from: http://xorg.mirrors.pair.com/X11R7.2/ After doing a sudo ./configure which finished without issues, ...
2
votes
1answer
21 views

Keyboard Lights [duplicate]

I have a black keyboard with characters which are completely invisible until the keyboard light comes on... Which it doesn't. I've made a script to toggle the light: #!/bin/bash FLAGS=$(xset -q | awk ...
0
votes
0answers
23 views

Freedreno driver

I have a question: do you know how to successfully install freedreno driver on Ubuntu. For example in Fedora 21 it was very easy, I just needed to install 2 packages: mesa-dri-drivers and ...
0
votes
0answers
21 views

Start X After Root Autologin Via Mingetty

I am currently running Lubuntu 14.04 x86_64 on an old Pentium 4 desktop destined to be a home theatre PC. As a consequence of multiple failures while trying to configure LightDM to autologin I ...
0
votes
0answers
53 views

How to access command line in recovery mode? Ubuntu 14.04

I messed up my xorg file, and that sent my laptop to recovery mode. My friend helped out a bit, but wasn't able to finish the job before he left. He instructed me to go to dkpg to repair broken ...
2
votes
2answers
70 views

Screen resolution 1440x900 not listed

I just got a new nvidia graphics card that works fine at 1440x900 under window (dual boot setup). Unfortunately, my monitor is not recognized by ubuntu. Here is my xrandr -q output Screen 0: minimum ...