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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1
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0answers
7 views

Cannot set up dual monitor on TweinView model

I want to connect an external monitor to my laptop via HDMI, external and built-in monitor are both 1920x1080. However, if I chose to expand screen, the total resolution will be 1920x1080 instead of ...
0
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0answers
14 views

bumblebee multi monitoring setup

I'm trying to create a multi-monitoring setup with bumblebee at Ubuntu 15.04. config: VGA+HDMI at intel HD2000 and DVI at nvidia geforce 210 I'm using the proprietary nvidia 340 driver. I think ...
0
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0answers
12 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
1answer
150 views

Nvidia Geoforce 8600M on Ubuntu 15.04 won't start (MacBookPro 4,1)

My MacbookPro 4,1 with Nvidia Geoforce 8600M worked find under Ubuntu 14.10. I did the upgrade to 15.04 and couldn't get a desktop. I got the popup about couldn't configure. I saw a posting ...
12
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3answers
7k views

How do I run a graphical application on a remote server when logged in through SSH?

I am trying to run gedit from an SSH terminal on Windows, connected to an Amazon EC2 instance running Ubuntu 12.04 Server and I am getting this error: Cannot open display: How do I fix it?
5
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1answer
13k views

gedit “cannot open display” , on remote computer , using ssh - Ubuntu 12.04 [duplicate]

Possible Duplicate: How do I run a graphical application on a remote server when logged in through ssh? I am getting the following error message when using ssh to log into a remote ...
1
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3answers
295 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 ...
1
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0answers
71 views

How to stop X server in Kubuntu 15.04?

In Kubuntu 14.04 and 14.10 I stop the X server with sudo /etc/init.d/lightdm stop but it don't works anymore. How to stop it, to install a graphic driver ?
0
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1answer
4 views

gridengine-qmon package missing context help

I upgraded to Precise and installed gridengine. The qmon GUI administrative tool still has the ancient X11 style interface from Sun Grid Engine, but when I click a Help button the "Context Help" popup ...
0
votes
1answer
9 views

Enabling 3d acceleration in OS AMD/ATI driver

Need help from the community enabling 3D acceleration on an AMD/ATI HD6450 graphics card driven by the Open Source Radeon driver. It may help to know that this card replaced an 275GTX NVidia, ...
1
vote
1answer
11 views

How can i install xfonts-… packages?

I need to install xfonts-100dpi xfonts-75dpi xfonts-scalable xfonts-cyrillic packages. But I get an error, that they are not exists. Using Ubuntu 14.10 Need them for xvfb
0
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0answers
12 views

Different mouse speed per screen possible?

I am using Ubuntu 15.04 and have 3 screens setup, 1x4K screen and 2x1080p screens. However due to the larger resolution on the 4K screen, the mouse feels really slow and I would like to speed it up ...
4
votes
3answers
4k views

what does startx command do?

While reading about Ubuntu I found the following statement..... If the display manager is not started by default in the default runlevel, you can start X a different way, after logging on to a ...
2
votes
1answer
58 views

Ubuntu 14.04 with unrecognized monitor (or without monitor) - boot problem

I've Ubuntu 14.04 installed on my computer. I need to start it even if not any monitor is plugged. Basically I need to do that because at the startup my monitor isn't recognized but plugged in. ...
72
votes
15answers
175k views

Higher screen resolution for VirtualBox?

I have been trying this for a while but no luck. I installed ubuntu-11.10-desktop-i386 twice. Also installed guest additions. However I always get maximum screen resolution as, 1024 x 768. Do I need ...
1
vote
1answer
25 views

Desktop never loads when using I Nvidia drivers

I upgraded to 14.04 on a Macbook Pro 5,5 and now none of the Nvidia drivers work. If I install nvidia-current, that installs the 304 driver, which appears to actually be the oldest. With that, I ...
2
votes
6answers
5k views

Nvidia 740M still not working after Bumblebee installation

first of all, I have checked a lot of similar topics, but I still can't get my laptop to use Nvidia 740M. So first things first. I have a laptop Asus X550V(i5-3230, 4gb RAM, Nvidia 740M + Intel ...
0
votes
1answer
22 views

ubuntu 14.04 only boots in recovery mode

I have the same problem in my Ubuntu desktop, then if I change the X.Org X server-Nouveau driver for the NVIDIA one, the display crashes next reboot (even in recovery mode) so only reinstall option ...
1
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1answer
64 views

How to install Nvidia driver?

First of all after installation of Ubuntu 14.04 I was having problem - system freezes after few minutes of work. I installed nvidia-current driver, it helped. I decided to install something more ...
1
vote
1answer
46 views

OpenSSH: X-Forwarding: wrong authorisation protocol

I have edited the /etc/ssh/sshd_config so that: AllowAgentForwarding yes AllowTcpForwarding yes X11Forwarding yes X11DisplayOffset 10 X11UseLocalHost no And I connect to the host with: ssh -X ...
2
votes
1answer
43 views

How to debug xrandr not setting up the desired resolution?

I need some help in figuring out why does xrandr failes to set the desired resolution. I have a dual monitor setup: 13" laptop preferring 2560x1440 resolution 24" monitor preferring 1920x1200 ...
-1
votes
0answers
19 views

NVidia Screen Freezed

I'm hoping this message will solve new Linux and Ubuntu users some hair-pulling. I recently acquired a Compaq Presario tower with a Nvidia Geforce graphics card. After installing the latest 32-bit ...
0
votes
0answers
18 views

How can I start a simple X with just firefox? [duplicate]

I'm trying to start a simple X server with just one app open, which is Firefox. Basically, I want to power on my Ubuntu server and show Firefox, nothing else. Is there a way to make this possible? ...
2
votes
1answer
53 views

Desktop freezes regularly. Ctrl+Alt+F keys doesn't work

I've been running 14.04 on my work computer (Dell Latitude E6440) since last May with no issues. 4 or 5 weeks ago I upgraded to the 3.16 kernel and the newer X.org via the LTS Enablement Stack. ...
2
votes
0answers
52 views

Low graphics mode error on open-source driver

I recently did an update from Software manager, which I was holding back for a month (~250MB), it prompted me for a reboot after all the updates were installed. I rebooted into an error of Low ...
0
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1answer
35 views

Trusty: Flickering problem with xorg opensource driver on ATI RV710 [Mobility Radeon HD 4330/4350/4550]

Last week I reinstalled Ubuntu 14.04 on my laptop and since then I'm experiencing strange short horizontal flicker. It's hard to describe so here is a video of it and this is my current setup: lspci ...
0
votes
0answers
32 views

The X-server is not running

I have a blackscreen. System: Ubuntu 14.04 Card: Radeon HD 5670 I used open-source drivers: OpenGL version string: 3.0 Mesa 10.6.0-devel (git-c015008 2015-04-20 trusty-oibaf-ppa) OpenGL ...
14
votes
4answers
16k views

How do you change brightness, color and sharpness from command line?

I am controlling my PC with SSH and scripting. How can i change the brightness, color and sharpness from command line? Try 1: failed $ sudo redshift -t 5000:5000 -g .5 Cannot list GNOME panel ...
0
votes
1answer
33 views

How to make multiple monitors work just like in Windows?

I've tried various DEs (Xfce, MATE, GNOME...), but I couldn't set up my screens properly in any of those. Here's the setup I'm looking for: 2 screens with different resolutions (LVDS on the left - ...
2
votes
2answers
852 views

Dual monitor setup, why does NVidia 340 Prime only detect one monitor?

I'm using: Alienware M14xR2 laptop running Ubuntu 14.04 2 * DELL U2412M monitors attached via HDMI and Mini Display Port Optimus graphics (Intel + nVidia GeForce GT 650M) running with nvidea-340 and ...
2
votes
1answer
33 views

broken packages error while trying to install xserver-xorg-input-mtrack

I'm new to Linux and I'm a mac user. I'm now having a problem when i try to install "mtrack" to "fix" my macbook pro 8,1 trackpad. My ubuntu is on version 14.04 currently and i got this error message ...
4
votes
2answers
913 views

How to intercept all keystrokes

First of all, I don't expect that something like this already exists, but I am interested in knowing how something like this would be accomplished. I want a program that I can have running in the ...
15
votes
1answer
8k views

Where do I find a list of all X keysyms these days?

They used to be in /usr/lib/X11/XKeysymDB or /usr/share/X11/XKeysymDB, but those have been missing from Ubuntu for a while. I've tried google, but all I get are more references to XKeysymDB or the ...
0
votes
1answer
72 views

Screen problem with ATI drivers but not with X.org

Whenever I restart the X session, either from a suspension or a screen lock, the screen is a mesh of lines where I can not even see the mouse. To make it work I switch to another session (say, ...
0
votes
0answers
53 views

X11 Forwarding in ubuntu 14.10 server vps not working

I've bought a VPS with Ubuntu 14.10 server installed on it. Since last two days, I've been desperately trying to get X11 forwarding to work with my VPS and windows machine. Problem: Getting echo ...
1
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0answers
226 views

Revert to open source graphics drivers - options greyed out 14.04

I tried switching to the proprietary AMD/ATI drivers using the Software Center > Edit > Additional drivers window in 14.04, which left me with a scary black-as-the-night screen after reboot. I ...
4
votes
1answer
932 views

My NVidia GTX 960 card creates openGL problems with Unity on Ubuntu

I posted a bug about this on launchpad already, but was hoping maybe someone on here would have some suggestions about other things I could try. Background: I had a working Ubuntu 14.10 system with ...
1
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0answers
221 views

Nvidia GTX 860M ubuntu 14.04 blackscreen

community I have since a clean ubuntu 14.04.2 install and two weeks searching the following Problem. System Specs: OS: Ubuntu 14.04.02 Kernels: 3.16.0-30-generic (does not boot) 3.16.0-31-generic ...
8
votes
7answers
3k 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 ...
0
votes
1answer
154 views

Firefox problem at showing some characters - ubuntu 14.10

My problem is what the title says. I show an image to illustrate: Some characters are not displayed and instead that square with random pixels appears. It can happen in any character, sometimes can ...
3
votes
1answer
54 views

How to stop particular instance of X server?

I know this sounds ridiculous at first glance, but I started X session from root with # X :1 vt08 & So I guess sudo stop lightdm would be overkill. How can I stop that instance of X server ...
0
votes
1answer
24 views

Will libdrm-nouveau2 library conflict with proprietary nvidia-346 driver?

I recently installed the nvidia-346 driver from ppa:xorg-edgers/ppa because prior versions of the nvidia driver in the official repositories were not compatible with my Nvidia Geforce GTX 970 graphics ...
2
votes
1answer
32 views

X doesn't start anymore on 12.04 LTS after HWE upgrade

12.04 LTS asked me to upgrade my "HWE" since the current one was no longer supported. I performed HWE upgrade and now Ubuntu comes up with a black screen and doesn't start. Using the "Recovery" boot ...
1
vote
0answers
200 views

Ubuntu 14.04 login loop - Guest sessions does not work either

I have been using Ubuntu 14.04 soon after it is released. Today I messed something up with the Chinese input ibus, and I don't know if this is the reason at all, but when I reboot using sudo shutdown ...
0
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0answers
9 views

display goes black when inverted

When I invert my display (xrandr -o inverted), the display goes black. This is in contrast to orienting the display to left (xrandr -o left), to right (xrandr -o right) or to normal (xrandr -o ...
-6
votes
0answers
46 views

Is it me or do the Nvidia proprietary drivers just SUCK [closed]

Anytime I switch from the Intel chip to the Nvidia chip in my Thinkpad, the problems just roll in. Sadly, it's the only way to output to my 2nd monitor when I'm docked, instead of blurry old VGA. ...
0
votes
0answers
11 views

Looks like my window manager is not starting after upgrade [duplicate]

I upgraded to 14.10 just the other day, and the upgrade appeared to work fine. I get the login screen just fine, but when I log in, all I get is the wallpaper and the "Ubuntu 14.10" in the lower left ...
0
votes
0answers
8 views

nvidia x server loses display configurations after playing a game or waking up from screensaver

After playing a game or waking from screensaver the nvidia display configuration resets itself. Mainly what is being reset is the ViewPortIn setting. I have been searching for the past few days and ...
0
votes
1answer
223 views

How to get nvidia-346 driver with optimus to work on Ubuntu 14.10

I'm using notebook with optimus technology (Asus K73SV). I have installed proprietary nvidia 346 (346.47-0ubuntu4~xedgers14.10.1 from ppa xorg-edgers) on Ubuntu 14.10. If I select to use an intel ...
0
votes
0answers
13 views

CPU problem open PDF

I've a Lenovo X1 Carbon and I've big problem opening PDF. Doing top command I get 100% cpu on xorg task. Any help?