Questions tagged [lightdm]

LightDM (Lightweight Display Manager) is a Display Manager for the X.org X server. It is the default X display manager of Ubuntu. LightDM starts an X session and presents the user with a graphical login screen, so the user does not have to issue commands such as `startx` to start the X server

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Text/terminal login appears for 12 seconds second before lightdm loads, and other lightdm problems

I'm having some problems with LightDM. How I got here: I did a fresh install of UbuntuStudio, 22.04. I found the desktop environment frustrating, so I installed the Mate desktop environment instead. I ...
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Unble to access the internet after restarting device

I'm using Ubuntu 20.04. Due to some circumstances which I don't remember I had to switch from gdm3 to lightdm. From then on, after restarting my device, even though it get's connected to the Wi-Fi, I ...
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Firefox can't create temp dir for guest user in lightdm [closed]

I've setup latest Ubuntu 22.04 (jammy) to use lightdm, and enabled the guest account via a lightdm config. This seems to work fine, and can login with an ephemeral guest account that gets removed on ...
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Boot Problems in Ubuntu 22.04

I have several problems when booting into mate under Ubuntu 22.04 The boot starts both the console and tty1. Makes logging on in text mode nearly impossible The graphical boot starts lightdm twice ...
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Why do lightdm and Xorg cause so much CPU load on my Xubuntu 20.04?

What is it that loads the CPU so unreasonably? (Lenovo W530 with Xubuntu 20.04.4 LTS, currently using kernel 5.4.0-110-generic x86_64). After an upgrade, the CPU on my Lenovo W530 laptop spins at an ...
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Ubuntu 20.04 Can't get passed login after update

4 days ago, I decided to install the update that "Software and Updates" has been suggesting for a while. After the progress dialog was gone, I closed the laptop lid, expecting it to sleep(...
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cant re enable lightdm

I ran sudo systemctl disable lightdm.service and now i cant find a way to enable it. Using xubuntu22 LTS What I already tried with output: sudo systemctl enable lightdm.service Synchronizing state of ...
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KUBUNTU root login through GUI not possible

I have Kubuntu 22.04 installed with everything as default. It uses lightdm for for windo management. I can login as with root user in a terminal session; for example if I press alt F2 to get a ...
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Light Display Manager 1.30.0 won’t start seat0 on Ubuntu 20.04

I’ve been messing around with a fresh Ubuntu 20.04 install on an HP 17 laptop. I was feeling curious and adventurous and installed enlightenment, deepin, and arctica desktops, with the intention of ...
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When installing various desktop environments, how can one prevent user interactions requesting a selection of display managers like LightDM and GDM3? [duplicate]

I have a Bash setup script for Ubuntu. It is intended to be designed to minimise the user interactions needed to get to a fully set up system. In the script, there might be commands like the following:...
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How do I set user background for lightDM login screen?

I am quite lost on how to set user-specific background. There does not seem to be many resources on this matter. Setting background from gnome-control-center does not work. org.gnome.settings-daemon....
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cannot enable display-manager

for some reason, the systemctl enable display-manager command fails: Failed to enable unit: Refusing to operate on alias name or linked unit file: display-manager.service my DE is xfce + lightdm ...
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Don't boot shortly after upgrading to 20.04 - but can launch startx manually on recovery mode

Using Kubuntu with Gnome installed (I think this is Ubuntu with extra steps but it's work computer, I did not choose flavor) Computer is Lenovo T440P with 16 Go RAM (Core i5, integrated GPU) Upgraded ...
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Ubuntu 20.04 - LightDM Auto Login Not Consistently Working

I've got a fresh install of Ubuntu 20.04, but can't get auto login to work consistently. The only workaround i've found is to add a 2 second wait time, but i want to get to the root of the issue. ...
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Unable to get x11vnc viewer working on a Ubuntu 20.04LTS machine

I am struggling to get x11vnc working on a ubuntu 20.04 server. It works ok, if I am logged into the Dell idrac and have a viewer session open. I can connect fie from the Sophos firewall and see the ...
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How do I rice my Ubuntu Desktop?

I saw a few of the posts on r/unixporn with beautiful layouts and styled desktops with beautiful icons. While the only thing I have done is position my dock on the right lol. I recently had an issue ...
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LightDM-GTK-Greeter external indicator

I've seen the "External library/service" indicator option in lightdm-gtk-greeter-settings, (which seems to put the indicator in lightdm-gtk-greeter.conf without a ~ prepended) and I am ...
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Fluxbox + lightdm on ubuntu 20.04 running on BBG

I have configured ubuntu 20.o4 LTS for ARM Cortex (BBG) processor, connected LCD. I am trying to configure fluxbox and the lightdm window manager. Fluxbox and lightdm is not showing login window. When ...
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Distortion and tearing effect on internal 4k screen (HP elitebook laptop) with gdm/lightdm

I have a weird distortion and flickering effect happening when embedded videos (inside text content) are running in web browsers or when I scroll in any sort of scrollable content (e.g., webpage, ...
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mate desktop does not start on my ubuntu 21.10 system (lightdm doesn't start)

I installed ubuntu 21.10 and tried to replace the regular desktop by mate (I add more details below). The current situation is, that if I boot into my ubuntu system, it displays, that it has some ...
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lightdm trying to use non-existent external display

I'm having problems logging in to my X session and/or resuming from a suspend. Starting about 6 months ago, I started having issues with my desktop manager, lightdm (though I've tried others like gdm3 ...
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Xorg process causing 5-11% CPU load sometimes

Xubuntu 20.04.3 LTS Sometimes, when the system starts, a few minutes after the desktop has appeared, the System Load plugin detects a 5% CPU load that is caused by the following process and remains ...
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Lightm gets stuck immediately after login, but slim and xdm seems to work in Xubuntu 20.04

Some background first. I was trying to reduce the power consumption in xubuntu in my laptop , which led me on a trail towards finding which GPU was being used for rendering the display. ( My laptop ...
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Installing KDE broke Unity Volume/Screen controls

I have been using Unity for a long time but decided it was time to give another envornment a try. I installed KDE Plasma on my machine and kept LightDM as my display manager. Logged in using KDE to ...
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Black screen between plymouth and lightdm

I am using Ubuntu 18.04 on a custom ARM-based board. When it boots, I see the plymouth boot screen for two seconds, and then it jumps to a console screen with a blinking text cursor in the upper right ...
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Lightdm(with slick-greeter) only starts AFTER tty login

I recently installed slick-greeter, and have wrestled with various configuration issues, and spent quite some time searching various threads across various distros for the issue I'm seeing. That is, ...
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7 votes
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How do I stop the GUI (in Kubuntu 21.10)

I need to stop the GUI and access a TTY for the NVIDIA drivers. I found this question. However, when I tried sudo service lightdm stop (or the same with gdm), it said this: $ sudo service lightdm stop ...
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Display manager SDDM doesn't make use of 3rd monitor

I have computer with 2 videocards and 3 monitors attached - 2 to one card and 1 to another one. I run Ubuntu Server with X and I want to use most lightweight display manager as possible. I’m trying to ...
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Ubuntu gets stuck in a login loop unless a different user logs in

I'm trying not to make a duplicate of a previous question, but I do have the same problem. I'm using gdm3 and have purged, and reinstalled multiple times. A different user 'test' and sudo startx work. ...
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dconf - Custom icons are not displayed in the panel menu

The custom icon custom-symbolic.svg is not displayed in the panel menu. This is a segment of a dconf file: [org/cinnamon] app-menu-icon-name='custom-symbolic' The full path to the file I created is: /...
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Changing sensitivity; ligthdm login screen

I use lightdm and the mouse sensitivity on the login screen is way too high. I wrote this shell script to execute on startup and turn down the sensitivity: #!/bin/bash xinput --set-prop "...
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Broke my Linux again! 😅😅😅

Posted byu/H0tch33tos just now Broke my Linux again! 😅😅😅 I'm kinda new in the Linux World, so I've been using it for a month now, I'm loving it so far, but can't stop messing around with it lol. I ...
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Remote Desktop Connection Connects Then Immediately Shuts Down

Let me start by saying that I'm very new to Ubuntu so I feel like I may have messed something up on my end but I installed both LightDm and Xubuntu and XRdp. I'm using Ubuntu Server 20.04 and I am ...
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Using Smartcard Insert Event to Bypass Username Prompt in Greeter

I'm switching over from CentOS 7 to Ubuntu 18.04 and setting up smartcard login. The smartcard login using pam_pkcs11 with opensc works just as well as it did in CentOS, but the greeter in CentOS (GDM)...
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how can I show ldap account on lightdm xfce

I got another problem with ldap account on lightdm greeter. Lightdm greeter could not list ldap user. Therefore, After logging in with LDAP account, I restarted the computer, the LDAP account was not ...
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Tried opening lightdm directory for a cybersecurity competition, but it was blank

I'm a completely new and self-taught ubuntu user, so I decided to try it out. I attempted opening this: sudo nano /etc/lightdm/lightdm.conf to disable the guest user by typing allow-guest=false but ...
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Struggling configuring LightDM

I've been trying to customize my lock screen for a while now but I'm running some issues now. I' running Ubuntu 21.10. I installed LightDm with "sudo apt install lightdm" but everytime I ...
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Login Greeter takes 20~30 sec (after bootup apparently finished) to appear

I looked into this question among a few others (on and off SO) for a solution. The upvoted (but not accepted) answer to that question, suggests entropy might be a problem. I have infact from the ...
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How to make HDMI display show in LightDM greeter right after boot?

After upgrading from Xubuntu 18.04.x to 20.04.3 I have this problem with HDMI output: It is recognized only after I log in a graphical session (but not during that session) and log out the session. (...
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Lockscreen on suspend (LightDM)

Currently I'm using LightDM with the lightdm-webkit2-greeter and multiple WM/DM's. I3, AwesomeWM, Gnome and KDE My problem is that on auto suspend or closing my laptop lid the screen either wont lock ...
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Command line to graphic interface

Hello My question is about I writed this command sudo apt install –-no-install-recommends lubuntu-desktop to install the graphical interface under Ubuntu 18.04.6 LTS (GNU/Linux 5.4.0-1053-gcp x86_64) ...
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Cannot login to MATE for one user but not the other

Big disclaimer: Before this happened, I accidentally removed an important library (libreadline7), which has removed several important system libraries without me realizing (things like NetworkManager ...
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Switching to modesetting; Light Display Manager fails to start without Intel driver or xorg.conf.d

Goal I wish to use the modesetting graphics dr-ver instead of the intel graphics dr-ver. Note I was only able to get around the automated spam filter by replacing invocations of "driver" ...
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lightdm crash (once) & thereafter login screen shows "failed to authenticate" - impossible to login

OS: ubuntu 20.04 with lightdm HW: Raspberry Pi 4B 8GB History: this system has worked for well over a year without issues. There was a random crash of the sound system (this has happened before), my ...
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Dual monitors on login are working in a mirrored mode instead of be handled as extension

I have a laptop and recently connected second monitor (VGA). The problem is when I first boot both monitors show same login screen (like in the mirroring mode). After login in, both monitors are ...
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Disable touchpad while typing in Xubuntu Login Screen

I want to disable the touchpad while typing. There is an option to do this in the xfce touchpad settings but this doesn't enable it on the login screen (lightdm greeter) though it works fine after ...
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How to change view back after installing lightdm

Hi. Yesterday I have installed sudo apt install ubuntu-unity-desktop trying to solve my black screen after suspend error, then I got view from lightdm example in screenshot. How can I change it back ?
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lightdm fails to start sometimes or double login necessary

I'm on Ubuntu(studio) 20.4. with XFCE and everything was working fine. Last week I activated the backports to get some recent (audio) software and (possibly) since then I'm having some issues with the ...
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Lightdm gives black screen after logging out

I am using Ubuntu 20.04 with lightdm. Everything is fine except that if I log out, the screen turns black. And I have to press Ctrl + Alt + F2 to get the console and issue sudo lightdm to get the ...
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Login Screen Issue: First lightdm needs to be killed to get X session to work

I'm running MATE 20.04 and have a problem each time I reboot. Instead of getting the lightdm login screen When I have the grub option "silent" set I get a blank screen (it's all black but ...
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