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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3
votes
4answers
13k views

Blank screen on TTY7 after upgrading from 14.04 to 14.10

I upgraded my 14.04 to 14.10 via "sudo do-release-upgrade" without strange messages. After rebooting and entering the password for the encrypted system partition in the graphical form, TTY7 keeps ...
2
votes
1answer
2k views

Mac Os keyboard layout in Ubuntu

After working for some time in Mac OS I realised that I quite like the position of "Command" key and various system-wide combinations it is used in, such as Command-W for closing document windows or ...
2
votes
1answer
3k views

How to emulate Fn (function key) keypress in xte

xte is part of the xautomation package. After hours of man page reading and looking for documentation or working examples, I still cannot get xte to emulate a Fn-F7 keypress. xte 'keydown Meta_L' '...
2
votes
1answer
4k views

After install Google Chrome in EC2 won't open from Ubuntu Server 14.04 LTS (HVM) command line [duplicate]

I have installed Google Chrome with following command line: $ wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add - $ sudo sh -c 'echo "deb http://dl.google.com/...
1
vote
1answer
2k views

Touchpad acting weird in 14.04 on MSI CR70 2M

I don't know if I am doing it right(or at the right place). It's the first time I report a bug. I have a disturbing bug. My touchpad left click (tapping and mechanical) stops working sometimes. It ...
1
vote
1answer
2k views

Xserver error “(EE) module ABI major version(6) doesn't match the server's version(8)”

I have upgraded Ubuntu from 12.04 to 14.04. Afterwards, xserver couldn't start. I have downloaded the latest nvidia drivers from here and rebooted. GRUB now has the following entries: *Ubuntu ...
1
vote
2answers
441 views

Problems installing Nvidia drivers, Ubuntu 15.04

Using Ubuntu 15.04 on a desktop that has onboard Intel graphics. Recently installed add-in card with Nvidia GeForce GT-730. I'm unacquainted with Nvidia drivers and wasn't aware of the complexities......
1
vote
2answers
2k views

How to make ubuntu run as one screen on both laptop monitor and TV

I'm using my TV as a monitor to watch movies on my laptop, which is running 13.04, and I was wondering: how I can make it show my laptops screen on both my TV and laptop?
0
votes
1answer
5k views

How do I downgrade nvidia drivers in 12.04?

I am experiencing a problem described in this topic, which I now suspect is due to a bug in the 295.40 version of the nvidia drivers. Are there any builds available for Ubuntu 12.04 precise based on ...
0
votes
1answer
2k views

Lenovo y510p with HDMI monitor (RESOLVED)

When I boot from Ubuntu 13.10 64 bit live from USB, then secondary monitor on HDMI works fine. After installing Ubuntu, the secondary monitor on HDMI port doesn't work. If I reboot with live Ubuntu, ...
0
votes
1answer
8k views

X doesn't start after Upgrade from 11.10 to 12.04

I'm trying to upgrade from 11.10 to 12.04. I was making the upgrade over the X session of 11.10 i386. I was in the middle of the instalation when the X freezed. So i've made a reboot. When it ...
0
votes
1answer
2k views

what graphics drivers are now in use on this NVIDIA card?

Given the following /var/log/Xorg.0.log, which graphics driver is the X server currently using? This log is too confusing for me to parse (I had to snip hopefully irrelevant parts to be able to post ...
7
votes
3answers
29k views

How do I install root-cern?

Cern's ROOT environment installs fine on 10.10, and is even available in the Software Center, but it will not install or compile on Natty because the x11 directories are in new locations. I can ...
6
votes
2answers
22k views

Ubuntu 14.04 not recognizing installed Intel graphics driver

I'm completely new to this. I am running Ubuntu 14.04 on a new Dell desktop. I am having a problem with Xorg and compiz using >60% of a CPU. I think this is because my graphics driver is not being ...
5
votes
2answers
2k views

1080p choppy on two different GPUs, what else could it be?

I'm building a HTPC with this ASRock E350M1/USB3 motherboard. The onboard ATI Radeon HD 6310 graphics had a hard time swallowing a 1080p x264 mkv (~10 GB) so I popped in a discrete Nvidia GT 240 (...
5
votes
1answer
975 views

How can I set external monitor as default?

I have connected an external monitor to my laptop through HDMI. Currently either my Desktop is getting extended to the external monitor (with native resolution) or low resolution on both when I ...
3
votes
1answer
2k views

Can I trust in X/SWAT PPA?

This is the repository for get the lastest NVIDIA propietary. Im not happy with the repos one because Im having problems with unity, sometimes it lags and freezes. But I want to know if I should trust....
3
votes
1answer
823 views

Changing the keyboard layout turns off the numlock

I have installed Ubuntu 14.04 with English and Greek keyboard layout and I have the following problem. When I toggle keyboard layouts (En->Gr or Gr->En) the num led turns off but I can print digits ...
2
votes
1answer
4k views

Unable to launch gedit with sudo

While trying to follow these instructions, I encountered the following error while attempting what seems like a simple sudo edit operation: $ sudo gedit /var/lib/dpkg/status ** (gedit:14898): ...
2
votes
2answers
3k views

Triple monitor setup with an ATI Radeon 4200?

I have a relatively new Powerspec computer (i5 quad core processor, about a year or two old) and just grabbed a new relatively inexpensive ($40?) graphics card. It has 1 DVI, one VGA, and one HDMI ...
2
votes
2answers
1k views

X11 ignoring options in configuration for input device

I have reinstalled my system, a Samsung Series 9 laptop with a clickpad, under Ubuntu 12.04. I reinstalled it a few times and re-configured it with the same OS because I had issues with the filesystem ...
1
vote
1answer
2k views

(MPX) Multi Pointer X on 10.04 and beyond?

I've read articles about Multi Pointer X on Ubuntu, and just wanted to know if it has got to a stable stage yet where it can easily be enabled on 10.04+? If yes, how can I enable it?
1
vote
2answers
2k views

marble mouse middle click fail in 12.04

On recently upgrading to 12.04, I find that the middle click with my logictec marble mouse doesn't work any more (formally achieved by clicking both buttons). Anoying since I can't do a middle-click ...
1
vote
2answers
4k views

xorg.conf to get current “Section ”Device" content

by default the xorg.conf doesn't exist in /etc/ I could generate it by Xorg -configure. However in order to do this. I need to stop xserver. I can't do it at the moment. So is it possible to get ...
1
vote
1answer
10k views

Ivy Bridge graphics not working (core i5 HD 2500)

I've done a fresh install of Ubuntu 12.04 64bit and I'm having major problems getting the display working. Specs: Asus P8Z77-I DELUXE (latest BIOS, uses Z77 chipset) Intel Core i5-3470 (onboard HD ...
1
vote
2answers
756 views

Trusty: Flickering problem with xorg opensource driver on ATI RV710 [Mobility Radeon HD 4330/4350/4550] [1002:9552]

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
1answer
425 views

Set up 2 graphics cards to display to 3 monitors on Linux Mint 17.2 XFCE [closed]

Basic Data Graphics Cards: 2x GT 9600 Displays: 3x Dell 1907FP @ 1280x1024 OS: Linux Mint 17.2 XFCE Nvidia Driver: nvidia-340 (recommended) I also have a Geforce GT 610, Geforce 8400 GS, Geforce ...
0
votes
1answer
5k views

Xserver doesn't want to start

I have a problem with 14.04, my machine wouldn't come back as usual from stand-by to showing me the password prompt but it displayed some message that didn't contain much information on a shell screen ...
0
votes
1answer
729 views

Unity / Compiz problem after update from Xorg ppa

After update from Xorg ppa (ppa:xorg-edgers/ppa) I have many problems with Unity Shell / Compiz. Preview of moving icons is broken and GTK theme of unselected windows breaks. Video: http://www....
0
votes
1answer
1k views

Where did /usr/lib/X11/xorg.conf.d/10-synaptics.conf go?

On my Macbook I can only move the cursor while also pressing the touchpad after a default install. A per login session fix is to run "synclient FingerLow=10" and "synclient FingerHigh=20". In order ...
0
votes
1answer
155 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 ...
0
votes
2answers
2k views

3 monitors with 2 video cards not working

I'm trying to get ubuntu working w/ 3 monitors. I have been given 2 video cards lspci | grep VGA 20:01:00.0 VGA compatible controller: ATI Technologies Inc RV620 LE [Radeon HD 3450] 25:05:00.0 VGA ...
33
votes
5answers
156k views

How to check the information of current installed video drivers?

My CPU usage is high when I do trivial things such as scrolling through a PDF file. So I think my video driver is not properly installed. I want to confirm that by checking the information of my ...
16
votes
3answers
15k views

Switch between nvidia-current and nouveau without a reboot?

Is it possible to switch between Nvidia's BLOB and Nouveau video drivers on-the-fly? I think I need to be able to: [✓] Unload nvidia [✓] Unload nouveau [✕] Restore the console ...
75
votes
4answers
47k views

What is the difference between `ssh -Y` (trusted X11 forwarding) and `ssh -X` (untrusted X11 forwarding)?

What is the difference between ssh -Y (trusted X11 forwarding) and ssh -X (untrusted X11 forwarding)? As far as I have understood it, it has something to do with security, but I did not grasp the ...
22
votes
4answers
17k views

Remapping Caps Lock in 14.04 Trusty Tahr

I've seen a number of questions that point to a GUI menu to remap caps lock, but that menu seems to be gone in 14.04. Am I just not finding it, or is it really gone? I know you can use xkbmap to remap ...
26
votes
4answers
205k views

How to kill and to start the X server?

In 12.04 How do you kill the X server from the command line and from the GUI interface and how do you start it from the virtual terminal?
23
votes
7answers
8k views

Alt+tab out of fullscreen game

Right now I'm running Trine, which is a game using OpenGL running in fullscreen, in Ubuntu 10.10. What I would like to be able to do is Alt+Tab out of the game to be able to browse the web, check ...
18
votes
5answers
5k views

How can I map a character to a key combination?

I'm a bit of a fan of the interrobang (‽), but it obviously is not on my keyboard. How can I map that character to a key combination?
11
votes
2answers
14k views

Free RAM disappears - Memory leak?

On a fresh started system, free reports about 1.5G used RAM (8G RAM alltogether, Ubuntu 12.04 with lightdm and plasma desktop, one konsole window started). Having the apps running I use, it still ...
10
votes
2answers
2k views

`xcalib -i -a` controls only one of two screens - can it control both?

I am using 2 screens, and wish to invert the colors on both of them without using compiz (I'm using gnome shell). I can use xcalib -invert -alter as suggested in this question, but it only inverts ...
32
votes
2answers
21k views

I accidentally hit Ctl Alt F<num>. How do I return to the GUI? [duplicate]

I'm using 12.04, I accidentally used Ctl-Alt-F9 and got a black full screen with command line cursor (Terminal). How can I go back to the normal Unity screen?
20
votes
4answers
145k views

How to reset the Xorg / xserver?

Xserver keeps crashing on my general user account both in Unity 3D and 2D. It doesn't do it on the guest account. That's why I want to reset / rollback everything xserver related, hoping this is ...
18
votes
6answers
15k views

How to run two X sessions at the same time?

I would like to run two X server instances at the same time. One would be an interactive session using the mouse and keyboard attached to the computer. The other would be a 'virtual' session that I ...
12
votes
3answers
58k views

How to restore xserver?

I have recently killed xserver on my machine after a regular update. I have uninstalled and reinstalled nvidia-current with no success. Looks I have reinstall xserver. How do i achieve this? ...
11
votes
3answers
10k views

Extend Desktop to Monitor over LAN

I want to make use of an old laptop by extending my the desktop from my main PC onto the monitor of this other, old laptop over a LAN connection. I've looked into Xdmx/dmx, but the project seems to ...
8
votes
2answers
2k views

Automatically change resolution when connecting an external monitor, nvidia driver

I run ubuntu on my macbook pro, with nvidia proprietary driver. I've made a little hack script http://www.coldcode.net/2010/05/nvidia-auto-display.html which detects the presence/absence of an ...
15
votes
1answer
12k 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 ...
14
votes
3answers
10k views

How to run multiple user X sessions on the same computer, at the same time?

I want to have more than one user logged on at the same time, on the same computer. Each user should have a full GUI X session... It's easy enough to log in to multiple concurrent non-X linux ...
6
votes
2answers
7k views

Is it possible to start an additional X server after the system boots in 12.04?

I'd like to have 2 VT's running, one on VT7 with the standard lightdm + unity interface and another on VT8 running a custom script which will launch a virtual machine in full screen. At the moment I'...