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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6
votes
4answers
4k views

Where do I have to paste an “xinput” command so that it executes it when GNOME is started?

On my Thinkpad I need to execute something like this in the terminal: xinput set-int-prop "TPPS/2 IBM TrackPoint" "Evdev Middle Button Emulation" 8 1 so that my the 2 buttons on my touchpad emulate ...
5
votes
2answers
4k views

Where is the alternate installation ISO for Ubuntu Saucy?

I would like to download the alternate installation ISO for the current release, Ubuntu 13.10 Saucy Salamander, but I can't find it on the releases.ubuntu.com website. Aren't alternate ISOs provided ...
4
votes
1answer
2k views

How to configure splash screen after plymouth

I have configured my splash screen for plymouth - and it works perfectly. I've also configured the display manager (I'm using gdm). In between these two I get a very brief splash screen - a kind of ...
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
1k views

Can't use 3 monitors: both display outputs on XPS laptop along with laptop display. CRTC 64 error

On a Dell XPS 15, running Ubuntu 14.04, the HDMI and Displayport ports work fine, but when I plug in two screens to both the DP and HDMI, it doesn't work. The screens window showed some error dialogs ...
0
votes
1answer
1k 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 ...
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
3answers
22k views

ATI Driver issue, fglrxinfo returning null display error, Xorg.conf file looks funky

I have a HP dv6, specifically with a ati radeon hd 5650. It's one of those wonderful hybrid graphics cards. I've spent a great amount of time trying to install the drivers for this graphics card ...
7
votes
4answers
5k views

Why is X11 a security risk in servers?

I remember reading that servers do not have a GUI because X11 is a security risk. Why?
7
votes
2answers
8k views

Remove packages to tranform ubuntu Desktop to Server?

I have a VPS that has Ubuntu 11.10 on it. Unfortunately, only the 11.10 Desktop (not server) image was available as an image to install your VPS with. How can I remove the packages included in the ...
3
votes
1answer
725 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 ...
3
votes
4answers
2k views

Could not resolve archive.ubuntu.com when reinstalling xorg

I managed to uninstall xserver-xorg completely, and now all I see when booting Ubuntu is a blank screen. I've tried reinstalling it through shell prompt (recovery mode) but every time I get errors ...
3
votes
2answers
2k views

Application windows do not fit on the screen

Most of the windows does not fit on my hp-mini-210(1024*600) the apply and close buttons are not fit on scrren and conky too !!
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?
44
votes
5answers
79k 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?
16
votes
3answers
14k 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 ...
13
votes
6answers
38k views

Run application on local machine and show GUI on remote display

Is it possible to run an application on my local desktop but display the GUI on my laptop (remote X)? I'm wondering if it is possible to emulate a dual-monitor setup using 2 distinct lan connected ...
12
votes
3answers
37k views

How do I disable intel graphics in a hybrid graphics setup?

I have a Dell Vostro 3700 version A10. The relevant bits from lspci -v | grep VGA are: 00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 18) ...
9
votes
3answers
7k views

How do I get switchable graphics to work on my Samsung RF711 With Intel HD & GeForce 540M Graphics cards on Ubuntu 14.04 LTS

I have an Samsung RF711 Intel Core i7 laptop, running Ubuntu 14.04 LTS 64 bit. This comes with two graphics cards - the Intel one (which runs by default) and an Nvidia GeForce GT 540M (which I have ...
9
votes
5answers
9k views

How can I toggle between single and dual monitor setup?

I have two monitors working just right with nvidia driver. There are times, however, where I want to have just one monitor and other times where I need two: I must open NVidia XServer Settings, go to ...
16
votes
3answers
5k views

How to reverse colors for the current window in gnome shell?

I dislike that most websites use a black font on white background for their sites, as it gets too tiresome for me to read. Back in the days of 11.04, using Gnome2 with compiz, there actually was a ...
11
votes
2answers
11k 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 ...
8
votes
2answers
505 views

How can I toggle the touchpad depending on whether a mouse is connected?

I want to have my touchpad disabled automatically when an external mouse is connected and enabled when there is none. I have tried using touchpad-indicator but that fails in cases when the computer ...
18
votes
2answers
6k views

How can a script detect a user's idle time?

I want to check, inside a bash script, how long the user of a X session has been idle. The user himself does not have to be using bash, but just X. If the user just moved the mouse, for example, a ...
5
votes
2answers
11k views

DisplayLink USB 3.0 Not working on Ubuntu 14.04LTS

I noticed this might be yet another DisplayLink outcry - but I thought I give it a go anyway. So the usual story - I have got a DisplayLink adaptor Kensington USB3.0 Video Adapter, and doesn't look ...
14
votes
3answers
9k 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 ...
12
votes
1answer
19k views

list existing X display names?

How do I get a list of current X display names? Apart from being a useful thing to know, I want this so that (hopefully!) I can use xcalib -invert -alter as suggested in this question to invert the ...
12
votes
3answers
9k 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?
12
votes
1answer
2k views

How to trigger a color inversion effect for one window?

I want to have an inverse color effect (light to dark) like 'negative' in compiz, but without compiz, and only for one window (like compiz's Super+N) . Is there a way to get a similar effect ...
11
votes
3answers
49k 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? ...
6
votes
2answers
6k views

External Monitor Resolution doesn't go above 1024x768

I am trying to use a 24" external monitor as the primary monitor for my Asus EEE netbook. When I connect it, it works properly, except the max resolution available is 1024x768. Usually, I'd go into ...
8
votes
2answers
3k views

How to remove Intel's Open Source Technology Center Driver?

I have downloaded and installed Intel's drivers from this link, following all instructions: https://01.org/linuxgraphics/downloads/2013/intelr-linux-graphics-installer-version-1.0.2 However, I would ...
6
votes
2answers
9k views

Black screen after upgrading from 13.04 to 13.10 [closed]

Just upgraded from 13.04 to 13.10 and all I got was a black screen. The hardware I'm running is Asus Zenbook UX31A (Intel GPU). I do hear that the login screen drums do play, so the system does boot ...
21
votes
3answers
13k views

How can I diagnose/debug “maximum number of clients reached” X errors?

I'm hitting a problem whereby X prevents processes from creating windows, uttering something like the following into ~/.xsession-errors: cannot open display: :0.0 Maximum number of clients reached ...
9
votes
3answers
6k views

Simple switching between multiple monitor configurations

Context I use Ubuntu 11.04 on a laptop. I have three monitor configurations: Work: disable laptop monitor, use external 1920 X 1200 monitor Home: disable laptop monitor, use external 1680 x 1050 ...
8
votes
2answers
2k views

Map caps-lock key to middle mouse click

Since I rarely use caps-lock, I'd like to map the key to a middle mouse click instead. I would also like to map Alt+Caps Lock to the original function of the caps lock key, should I ever need it. I ...
7
votes
5answers
21k views

Cannot make NVIDIA driver work with Ubuntu 12.10

I seem to have a problem similar to many but I didn't manage to get it solved: have a Lenovo N581 with an NVIDIA GeForce 610M have just installed a fresh Ubuntu 12.10 64 bits, + KDE and am trying to ...
7
votes
4answers
3k views

How do I restore triple tap to emulate the middle click?

I've upgraded from 11.04 to 11.10 but the ability to tap with three fingers on the touchpad to achieve a middle mouse click has disappeared. When a mouse is plugged in the middle button click works ...
6
votes
2answers
2k views

Can I accelerate mouse sensetivity over the standard maximum?

I've used "Mouse Preferences" window to set mouse pointer acceleration and sensitivity sliders to their maximums, but I am still not satisfied with how fast does mouse pointer move (I've got a very ...
5
votes
2answers
11k views

Am I using the Nouveau driver or the proprietary NVIDIA driver?

For a long time, I have used the NVIDIA proprietary driver. In Additional Drivers the NVIDIA driver was activated. However, I just "Removed" that driver because I would like to use the Nouveau driver ...
15
votes
1answer
16k views

How do I get rid of this monitor error?

I have an Nvidia card and two monitors. Every time I log in to Unity on Ubuntu 11.10, I get this error: "Could not apply the stored configuration for monitors" I have tried opening ...
8
votes
1answer
4k views

Resolution changes after startup/login

I have been trying to use Gnome 3.8 / 3.10 / 3.12 since Ubuntu Gnome 13.10 and no matter what I do it changes the screen resolution to 720p, instead of 1080p, so I have to manually set 1080p every ...
7
votes
1answer
3k views

Looking for USB VGA Adapter that works for sure?

I can't seem to get a straight answer on this. I would like to add a 3rd display onto my laptop + external monitor setup. While my current setup (Thinkpad X201) has an open VGA port (am using the ...
6
votes
3answers
3k views

`startx` fails. could not find module by name='nvidia_304'

I get this output: $ startx X.Org X Server 1.15.1 Release Date: 2014-04-13 X Protocol Version 11, Revision 0 Build Operating System: Linux 3.2.0-70-generic x86_64 Ubuntu Current Operating System: ...
6
votes
2answers
2k views

Windows have black borders after hibernation Unity

when my 64bit Ubuntu 14.04 machine "wakes up" after hibernation, windows look like this: The system is still usable, but it's really ugly and I believe that Linux is beautiful, not only because of ...
5
votes
3answers
16k views

“error while loading shared libraries: libGL.so.1: wrong ELF class: ELFCLASS32” installing ATI drivers

I was following the instructions on section 3.2 of this page. Everything went well until step 8, which is to use sudo amdconfig --initial to create a new xorg.conf file, but I get the following ...
5
votes
2answers
1k views

Disable three finger tap of Apple Trackpad in Ubuntu 12.04

I have configured Apple trackpad on Ubuntu 12.04 in xorg.conf as suggested here. I have also added "TapButton3" "0" but it does not disable three finger tap. My Question How to disable three ...
4
votes
3answers
18k views

How to change the color depth?

I have Ubuntu 10.04 installed on a Dell C600 and the highest available resolution is 800x600. From my previous I remember 1024x768 would work after setting the colour depth to 16bit, but there is no ...
3
votes
4answers
11k views

Nvidia drivers seem to ignore customized xorg.conf in 13.10? How to configure?

I just upgraded from 13.04 to 13.10 and now I'm having a problem with the nvidia X server settings: the changes I make don't stay saved after I restart the X server. I checked the xorg.conf ...