Questions tagged [xorg]
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)
4,553
questions
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3
answers
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How do I script to open a set of programs each on specific workspace?
I looked around for a while and could not figure out the answer to my following problem:
I have a setup of six desktops on Ubuntu 12.04 with Unity. On start up, every morning, I go through a routine ...
35
votes
7
answers
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ubuntu 16.04 gives "X Error of failed request: BadValue (integer parameter out of range for operation)" when running OpenGL programs
I have two two graphic card on board, one is the integrating in Intel cpu, one is the nvidia card.
I want use the integrating one to render desktop, the NV card to calculate with cuda. I switch to ...
34
votes
3
answers
54k
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How to remove all "rc" - residual packages using command line at once?
I have an Asus Q500A with win8 and Ubuntu 12.04 64 bit; Linux kernel 3.8.0-32-generic. I have been having residual package issues which have been giving me trouble trying to reconfigure xserver-xorg-...
34
votes
7
answers
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NVIDIA drivers not working after upgrade. Why can I only see terminal?
Tonight I upgraded to 11.04. Problems. Once I had finished the upgrade, I restarted my computer as it told me too. When I got past the ubuntu 11.04 (purple background orange dots), it simply went to ...
33
votes
2
answers
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How to inspect the currently used Nvidia driver version and switch it to another alternative?
I'm trying to find out which Nvidia driver is being used currently in the system (and how to perhaps switch it to another version or the open-source nouveau driver).
modinfo knows about several ...
33
votes
2
answers
50k
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Getting character key code mappings in Ubuntu
I am trying to play around with some keyboard layouts in Ubuntu. Now there is a program called showkey which lets me see the keycode for any key pressed in the terminal.
Is there any command to get ...
33
votes
6
answers
67k
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Can't get nVidia drivers working with 16.04, logs out right after login
I have installed Ubuntu 16.04 beta 2 on Monday, Apr 18th. When I try to install nvidia-current, nvidia-361 or the version that jockey installs, either lightdm fails to start entirely or I can't get ...
33
votes
10
answers
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Radeon HD 2000, 3000, 4000 on Ubuntu 12.04.2 and higher: fglrx (legacy) unsupported, what to do?
After upgrading to 12.10 quantal, the packaged version of fglrx no longer works. I discovered that this is because there is a separate 'legacy' fglrx driver for the HD 2k-4k series cards, but it is ...
32
votes
4
answers
25k
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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 ...
32
votes
1
answer
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xdotool: what are "class" and "classname" for a window?
In light of https://unix.stackexchange.com/a/254854/674 and https://unix.stackexchange.com/questions/458895/how-can-i-bring-a-background-gui-job-to-the-front-of-my-desktop, there is an example from ...
32
votes
10
answers
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GNOME lags so bad on Ubuntu 18.04
After I installed fresh Ubuntu 18.04 with GNOME desktop and It had opensource driver I experienced very bad lag.
I Installed Nvidia 390 Driver and the lag was so bad. Changing the driver to Nvidia ...
31
votes
1
answer
75k
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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 ...
31
votes
1
answer
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How can I tell if an application is using XWayland?
I'm troubleshooting some issues to do with multiple monitors and HiDPI on Wayland. I've learnt from online resources that applications on XWayland may not handle this use-case as expected. So now I ...
31
votes
4
answers
75k
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What is the most simple example to check if X11 forwarding is working?
I have access to a cluster and wanted to use the simplest example to ssh into it with X11 forwarding and see if it works. Currently, I simply log into the cluster:
$ ssh -Y user@cluster
and the only ...
30
votes
4
answers
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How to disable GUI on boot in 18.04 (Bionic Beaver)?
It appears that sudo systemctl disable gdm3 && sudo systemctl disable gdm do not work in 18.04 to disable the windowing system at bootup. What's the method for doing this now?
30
votes
5
answers
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Nvidia driver doesn't work in 12.10
I have GeForce GTX 560 Ti. I's worked fine in 12.04 with nvidia drivers. Unfortunately, after todays 12.10 update, something broke down.
I've tried nvidia-current, nvidia-current-updates and nvidia-...
28
votes
3
answers
27k
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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 ...
27
votes
4
answers
30k
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Ubuntu "Could not get screen information" after upgrade
I have upgraded from Ubuntu 14.04 to Ubuntu 16.04 and now when I open Display Settings I get the message "Could Not get Screen Information"(here is a screenshot):
There are multiple questions ...
27
votes
6
answers
30k
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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 ...
27
votes
4
answers
117k
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Xconfig xrandr BadMatch
Recently I minimal installed my OS, but got an unexpected error while setting my monitor resolution. It seems like a very old problem, but this time there is something else (I think).
To install the ...
26
votes
4
answers
15k
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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?
26
votes
4
answers
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Is there a way to cheat javascript games (like Unicoin mining) where rapid clicking is required?
I saw that there's a new currency on the site today for higher privileges called Unicoin. You can mine them by clicking quickly.
I was wondering if there's any Ubuntu wizardry that could speed up the ...
26
votes
6
answers
56k
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50-synaptics.conf options not working
How does Ubuntu come up with the default synaptics settings? I've got Ubuntu Netbook 10.10 installed on an Eeepc 900. Out of the box TapButton2 was set to 3, and TapButton3 was set to 2.
I have ...
26
votes
4
answers
10k
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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 (...
25
votes
5
answers
139k
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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 text-...
25
votes
8
answers
9k
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Xsnow does not work
I have installed the old program xsnow with Apt. This program is supposed to make snow (the type of precipitation) appear on the desktop. However, running the program does nothing except return the ...
25
votes
3
answers
31k
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Prevent /usr/lib/xorg/Xorg from using GPU Memory in Ubuntu 20.04 Server
On an fresh Ubuntu 20.04 Server machine with 2 Nvidia GPU cards and i7-5930K, running nvidia-smi shows that 170 MB of GPU memory is being used by /usr/lib/xorg/Xorg.
Since this system is being used ...
24
votes
3
answers
55k
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Remove packages to transform 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 ...
24
votes
4
answers
68k
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Ubuntu 16.04 LTS - how is the X server started?
I have thought that /usr/bin/startx script is used to start the X server but it looks like it is not true. Which process or script starts the X server? The X server has to be started before lightdm ...
24
votes
4
answers
25k
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How to install Nvidia drivers to use CUDA without also installing X11?
I have a headless box that will be used for CUDA computing. I installed Ubuntu server 16.04.1 but when I try to install the nVidia drivers via apt-get it also wants me to install X11 and other GUI ...
24
votes
2
answers
25k
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How to check using the command line which display manager is running?
How can I determine the name of the display manager in use solely by using the command line?
23
votes
3
answers
139k
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How to start X application from SSH [duplicate]
I've tried to search this topic in google, but without any significant results.
I need to start some GUI app from terminal, but I don't care what this app is showing me. In addition, I need to start ...
23
votes
3
answers
225k
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How to make an xorg.conf file
I just installed Ubuntu 12.10 and I need to make a custom xorg.conf file. By default, there is not an xorg.conf file on my system. I know what I need to write in the config, but I just don't know how ...
23
votes
5
answers
12k
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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 ...
23
votes
7
answers
14k
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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 ...
23
votes
2
answers
10k
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Application-specific key combination remapping?
I'm aware of a number of ways of remapping key combinations in Ubuntu on a global basis (e.g., globally remapping Ctrl+S to send Ctrl+D or something), such as the xbindkeys application. What I need, ...
23
votes
4
answers
11k
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External monitor randomly goes black on Ubuntu 20.04 LTS
I have a really irritating issue where my external monitors randomly goes black for a few seconds and then returns. This happens every other minute, but sometimes i can sit for 30 minutes before it ...
23
votes
6
answers
42k
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Ubuntu 18.04.1 LTS Can't Enable Screen Sharing
When trying to enable "Screen Sharing" under the "Sharing" section of the system settings I can click on the "ON/OFF" slider but it will not stay set to "ON". I can set the "Sharing" slider to "ON" ...
22
votes
3
answers
23k
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What is Xwayland? What if I remove it from Ubuntu 22.04?
Xwayland seems new in Ubuntu 22.04. What is it? Is removing it safe?
22
votes
11
answers
23k
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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 ...
22
votes
4
answers
14k
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Why do I have so many .Xauthority.* files in my home directory?
I'm using Ubuntu 13.04 on a Lenovo X220.
Why do I have so many .Xauthority.* files in my home directory? I.e
.Xauthority .Xauthority.0JW6UW .Xauthority.2HWRVW .Xauthority.2TA6VW .Xauthority.49F8VW ....
22
votes
2
answers
22k
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How to disable touchscreen permanently?
I am trying to disable the touchscreen on my Asus S200E laptop. In Ubuntu 16.04, I was able to do so with this:
Section "InputClass"
Identifier "evdev touchscreen catchall"
...
22
votes
3
answers
31k
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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 X session.
It is easy enough to log in to multiple concurrent non-X Linux terminals, ...
21
votes
3
answers
35k
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How do I reset my keyboard layout?
How can I reset my keyboard layout after modifying it with xkbcomp?
Is there a way to do this without restarting X?
21
votes
3
answers
38k
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How to enable or disable GUI in Ubuntu
Say if I wanted to replicate Ubuntu Server and have no GUI running what would I do to make this happen? Upon running htop/top from tty session I see both gnome and xorg are still running and sucking ...
21
votes
4
answers
19k
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How to configure iGPU for xserver and nvidia GPU for CUDA work
I have an Intel onboard GPU and NVIDIA GPU. I am running Ubuntu 18.04.
How do I configure a dual GPU setup so that Intel onboard iGPU will drive the monitor, leaving NVIDIA GPU exclusively for ...
21
votes
3
answers
56k
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Where is the xorg.conf file in Ubuntu 18.04?
I just installed Ubuntu 18.04. I have a machine with two gpus and 5 monitors. Getting them to work week has been challenging in the past, using previous versions of Ubuntu. In the end I manually ...
20
votes
5
answers
104k
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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 ...
20
votes
9
answers
58k
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How to make X.org listen to remote connections on port 6000?
This is on Ubuntu 10.10 (Maverick Meerkat) 64-bit desktop.
I want to make my X server listen to remote connections from clients in other machines on the local network. I know about ssh -X and that is ...
20
votes
4
answers
25k
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Screen brightness isn't taking effect on a Lenovo Z570
My Lenovo Z570 has two GPU's, nVidia and Intell. Brightness control has no effect what so ever over the screen brightness, and because I've had some major issues in the past when I was trying to ...