Questions tagged [xserver]

The basic graphical display server X.Org, which is the official reference implementation of the X Window System. Alternatives include Wayland.

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Configure GDebi Packagge

I installed GDebi package installer. I tried to configure it step by step but have not been successful. I have used the command: sudo apt-get install -f with the output: Reading package lists... ...
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How to auto start Xserver after boot?

I was "Desktop Environment Hopping" and I broke the Unity DE in ubuntu. I have reinstalled the unity desktop. But ubuntu is not entering into login screen gui or gnome shell gui after boot. I am able ...
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Unable to Login after a new install

Just installed a new install along with Windows 10. Setup root (/), swap and /home partitions; and then setup display name, computer name, username and password. Can't login after restarting ...
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How to fix X Error: BadAccess, BadDrawable, BadShmSeg while running graphical application using Docker?

I am running Ubuntu MATE 20.04 LTS. I have installed Docker to this system. I need to run FreeMat 4.2 which is not available for Ubuntu 20.04 LTS anymore because of Qt4 deprecation. I did the ...
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Random black screens in nested X server

I am running a X nested session with Xephyr to automate a game. I need the screen to be on at all times. I have disabled ubuntu sleep timer and it seems to be working for the whole pc but the nested X ...
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X server does not have DRI enabled

I have recently asked another question here regarding problems with running steam games in a nested X session with Xephyr. I think now that I have narrowed down the problem to the X server not having ...
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xrdp not listening on port 3389

$ sudo netstat -plnt | grep rdp tcp 0 0 127.0.0.1:3350 0.0.0.0:* LISTEN 83971/xrdp-sesman As you can see xrdp is not listening on port 3389. $ tail -f /var/...
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352 views

How is NVIDIA Prime Render Offloading configured in Ubuntu 20.04?

Yesterday I installed Kubuntu 20.04 from scratch on a Lenovo Thinkpad T490 laptop with a GeForce MX250 discrete graphics adapter. Prime render offloading fails with: $ __NV_PRIME_RENDER_OFFLOAD=1 ...
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4 seconds delay when switching to another TTY

After pressing Ctrl+Alt+F? to switch to another TTY (both graphical or not) I get a 3-4 seconds delay where I still see the "old" TTY before the screen switches (which is then almost instant). In ...
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67 views

Automatically setting the DISPLAY variable

At the moment, I'm using Windows Subsystem for Linux to use Ubuntu, and Xming to allow me to run graphical applications. I was wondering how I could automatically set the display variable to 0, so ...
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Kubuntu 19.10: GUI doesn't start, but I can fix it by running startx in the system console

My Kubuntu installation broke. To the best of my knowledge, I did nothing other than running apt upgrade and rebooting prior to this. All I get is a live mouse cursor after reboot, but I can switch to ...
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X server suddenly fails when opening a file, why?

from time to time it happens that when I open a file (eg. a pdf from Documents directory - even a just created one after unpacking an archive) then X server restarts and get me to the login window; I ...
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How to detect for a remote program that unity is running

I have a legacy program (since 1992) on a dedicated remote machine as an X-client that while starting up tries to fix all kinds of oddities using xmodmap and the like. Starting with 18.04 I note that ...
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Ubuntu 18.04 Connect to Xserver from remote

I have setup an Ubuntu 18.04 on a Touchscreen-Display and I want to start a graphical programm from a remote system to display it on the touchscreen. When I try it I get the error Can't open ...
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Login Problem due to sudo startx command [duplicate]

I'm facing problem logging in. Actually I typed "sudo startx" command to run x server that was not working with "startx". But after then login window appeared and after entering my password it is not ...
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Grey Array: cannot connect to X server '(null)' Error

So I have this school folder, where I have to call the file "Test.c" file, where it contains the code to display an image. Calling the file requires me to type "make", which im assuming is from this ...
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No keyboard/mouse input on Login Ubuntu 18.04

I've been having a super bizarre problem recently. About a week ago, I reinstalled Ubuntu on my dual-booted Dell XPS 15, since my keyboard and mouse were not working. The os itself was still fine (ie ...
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Ubuntu 18.04 `$DISPLAY` is set to `127.0.0.53` instead of `:0`

I have a freshly installed Ubuntu 18.04 on a Lenovo T470 I ran into some weird issues, which seemed to be related to rendering of GUI windows on my machine: Some code not running correctly and ...
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Ubuntu won't detect my Nvidia Geforce 1050

I recently bought a new laptop, an ASUS F570Z, which has a dual GPU (the AMD Vega GPU and the dedicated Geforce GTX 1050. Unfortunately, don't matter what I do, Ubuntu won't use the Geforce or even ...
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How to get 18.04 with more number of Xv adaptor ports

We are developing an video application wherein we display video of multiple cameras onto multiple tiles. Basically we do concurrent rendering of each cameras video using different xv adapter ports. In ...
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How to run GTK application on text mode of ubuntu and rotate to portrait view without x-server?

I am using ubuntu on text only with terminal in portrait mode to run the GTK application. I have removed GUI/Desktop mode. I tried to run it on ubuntu and other Linux operating systems. I used '...
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Understanding glxinfo error

My env is Ubuntu 18.04, headless server. lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04.3 LTS Release: 18.04 Codename: bionic If I connect via ...
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Crash on exit from standby / screen change

My PC is a Laptop and I only work on an external screen while the PC is closed. I still have several applications running under Gnome. Often it will be: Firefox multiple windows, Chrome, Chromium, ...
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240 views

WSL I am trying to run an Graphical Application using WSL through SSH but it is failing

I have Ubuntu for WSL and for classes I need to run the bochs 32-bit emulator in a Linux environment in the schools' computer lab. There is an option for using SSH to access the environment and my ...
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I have a ''frozen'' ubuntu 18.04 lts

So I was updating my drivers with these commands sudo apt-get install xserver-xorg-video-ati sudo apt-get install xserver-xorg-video-amdgpu After that I restarted my laptop. And then at the startup ...
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Can't access Kubuntu KDE plasma desktop

I recently tried to make backlight stepping more granular, and in doing so, I ran into all kind problems, which made KDE plasma desktop unnaccessible. Any way to proceed and rebuild Kubuntu? I have ...
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Vulkan pSurfaceFormatCount is zero with NVIDIA drivers

I don't know if it was an update or a package I installed but all Vulkan applications are no longer working. OpenGL apps are working though. I'm using Ubuntu 18.04 with Gnome 3. I have a GTX 950M and ...
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My X server is broken

I'm on Ubuntu 18.04 and I'm using i3wm. I tried installing regolith-desktop: $ sudo add-apt-repository ppa:kgilmer/regolith-stable $ sudo apt install regolith-desktop I then rebooted and ran startx ...
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173 views

Touchpad suddenly broken on 18.04.3 LTS

I turned on my Aspire One last night and the touchpad was totally non-responsive. To use my laptop, I needed to get a mouse. The touchpad has worked fine for me for more than a year now. I am using ...
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Second monitor in X server PRIME profile “On-demand”

Recently the new PRIME profile "NVIDIA On-Demand" has been added which apparently uses the NVIDIA GPU when needed for demanding software. However, when I activate it my second screen does not work ...
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Server randomly hangs, with the only way out a forced reboot

For whatever reason, having an X server installed causes my headless server to completely hang (no response to any pings, attempts to ssh in, input on exsiting ssh connections, anything. waiting 10+ ...
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Install GUI on Ubuntu Server and remotely control it from MacOS or Windows?

I have an Ubuntu Server 18.04 LTS (intend to upgrade to 19.10 soon). This is a remote server, no keyboard or display attached. I have never used a GUI on this machine, only connected remotely through ...
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xauth list fails

I have an issue with xauth list. When i run the command xauth list from the account student I get this error xauth: timeout in locking authority file /home/luigi/.Xauthority. As you can see the ...
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X Server error on a console app when I don't have any X Server

I have Ubuntu 19.04 Disco Dingo on the Windows Subsystem for Linux. I have a command line app called screenfetch (I use the dev version of it because the original displayed an awk error). When I ...
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931 views

Unable to login to ubuntu 18.04 (only via wayland)

I have a DELL inspiron 15-5567 and my graphics card is AMD radeon R7 M445 running Ubuntu 18;04.3. Suddenly after going to an apt-get upgrade my desktop is not logging the user account into xorg ...
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Can't login to Ubuntu 18.04 desktop (only wayland)

I have an XPS 9560 with Ubuntu 18.04.03 Today I had a small problem with undocking from my desktop screen so I tried to restart gnome (Alt+F2 r) and that seemed to take some time so I hard-shutdown ...
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408 views

Display a graphical web page on Ubuntu Server

I have a raspberry pi running Ubuntu Server connected to a large display that needs to display a webpage containing HTML and CSS to show information is the lobby at my workplace. If possible, I would ...
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132 views

How to login to ubuntu from remote when no user has logged into system

I was have setup remote login to ubuntu using VNC over ssh by using steps mentioned in below link https://help.ubuntu.com/community/VNC#accessing-your-pc I am using RealVNC viewer for this. Now ...
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Gui application on ubuntu server with access via port?

How can I run gui applications ubuntu server 18.04 without a gui and access them from a port on localhost, sort of like qbitorrent? I don't want to install the entire desktop environment.
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No Mouse or Keyboard in X after NVIDIA Driver Update

I accidentally updated my NVIDIA drivers with apt. After reinstalling the old version (410) I end up in a command line login. Here is everything fine and nvidia-smi says that driver and cuda are ...
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(K)Ubuntu shuts down when I kill the X-Server

When I kill the X-Server (ctrl-alt-backspace) in a KDE session in Ubuntu disco, Ubuntu shuts down. This means, The X-Server is killed, then there is a systemd line counting down from 1min30s to 0 and ...
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Track-pad not working

I am using UBUNTU 19.04, fully upgraded. My track-pad is not working after I log in to system. It works in login display but after I log in it does not. I have not made any change in kernel. Track pad ...
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154 views

X11 error running VLC

I'm trying to create Docker image with VLC to stream. There is a script that runs VLC with cvlc command. This is output what I have [000055cecb4db890] dbus interface error: Failed to connect to the D-...
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xcfe: X server terminates on logout

noob here. When i click on "logout" menu item in xfce (top-right corner), X serverver terminates. I can't remember what i did, but earlier, when i click on the same item GUI login screen was shown, ...
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Login loop Ubuntu

I'm reposting this from another question below (same issue): I'm trying to log into my PC running 18.04 with lightDM, but whenever I attempt to sign in, the screen flashes black and returns to my ...
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Where is the $DISPLAY environment variable set in Kubuntu

Where is the DISPLAY variable configured in a normal Kubuntu 18.04 installation? I have a clean install of Kubuntu 18.04. I added vnc4server, but then accidentally started it for the first time as ...
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Lenovo touchpad not recognised - booting into Windows partition solves the issue, changing Linux kernel

Initially my touchpad was not shown and not recognised... xinput list gives something like ⎡ Virtual core pointer id=2 [master pointer (3)] ⎜ ↳ Virtual core XTEST pointer ...
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Accessing Windows Display via WSL X Server

I develop my projects within WSL and display visualizations, etc. with VcXsrv X server and export DISPLAY=localhost:0.0. This is usually fine. For a new project, I'd like to access the Windows 10 ...
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How to instal the newest xserver-xorg-video-intel on 18.04 Bionic?

I have an Intel UHD 620 GPU, whose drivers, on 18.04 Bionic, put me in a conflicting position: if I use the default (either HWE or not) Xorg video drivers (xserver-xorg-video-all, everything works ...
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941 views

Error while updating software Ubuntu 18.04 LTS

I am getting below error while updating software. Edit : I am getting the same error when I run 'sudo apt-get upgrade'. [ 1201.873] _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() ...

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