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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No GUI after updating to Noble numbat
i just updated my LTS ubuntu System after i got a prompt saying there is a new version.
Turned out to be a mistake because now Ubuntu boots without a GUI and if I do startx the screen just gets ...
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LightDM: Multi-Monitor setup and Resolution
I'm on Xubuntu 22.04 with a Dual-Monitor setup. Auto-login is enabled. The normal Monitor is FullHD (DVI), the TV is 4K (HDMI). In Xfce settings i use mirroring both are running with 1920x1080. The ...
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How to enter in gui from tty my desktop manager lightdm is deleted and my pc in not connected with internet
How to go to gui from TTY I am trying to install light DM desktop manager but it is not installing because of disconnection from the internet and network manager is not working.
Lightdm is not working ...
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How to start a LightDM session in an already-running, remote X server?
I have Xephyr running in machine1, with this command line. It starts the X server in a window, no problem:
Xephyr -listen tcp -listen unix -listen local -br -ac -noreset -screen 1366x768 :1
I can log ...
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lightdm re-login while shutting down
I have a weird effect that shows only occasionally.
System
Ubuntu MATE 22.04.
X11 with lightdm as display manager
lightdm is configured to auto-login and also re-login within 2s after a session ends
...
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Failed to load configuration from /etc/lightdm/lightdm.conf: Key file does not start with a group
Trying to solve another issue, I unistalled and reinstalled lightdm. After that, lightdm failed to start, and I could see this message in journalctl -xeu lightdm.service:
Failed to load configuration ...
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How to log in into another session when the screen is locked?
I used to be able to log in with another account when locking the first session. However, ever since I updated to 24.04 from 23.10 this option disappeared. I can only see this screen:
What may be ...
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Having to manually start gdm everytime
I recently installed lightdm, Big mistake. It was terrible, So i then un-installed it using systemctl remove lightdm.service.
However, I am still having issues. First is that on startup it still has ...
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Display manager lightdm stopped working
Recently my lightdm stopped working as normal (Note I can only get the greeter screen if I boot into recovery mode or add 'nomodeset' to my linux boot argument. Using nomodeset seems, however, to ...
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Ubuntu 24.04 won't start display manager. Can only be used properly from remote session
Recently I changed desktop environment from GNOME to KDE and back while I was connecting to my Ubuntu 24.04 PC remotely with XRDP, whereafter my PC won't load display manager and is practically "...
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Can I safely uninstall gdm3 after switching to lightdm?
Since Ubuntu 24.04 the login screen is not shown as long as my external HDMI monitor was plugged in. I always had to unplug it, login, replug the monitor. I found out that this seems to be a bug in ...
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Xorg screen detection for second seat
On my X11 kiosk system with two separate monitors assigned to a seat each, the second monitor cannot find a corresponding screen.
Here my Xorg.conf.
The Xorg.0.log detected the server layout assigned ...
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Xubuntu 22.04.4 Slow desktop start after login (2-15 minutes)
I have problem and I need help with my Dell Inspiron 3525.
The PC starts up correctly until the login screen. After entering my username and password and accessing it, I can see the wallpaper and the ...
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raspi5 23.10 cannot switch to lightdm from gdm3
I've installed 23.10 on a Raspberry Pi 5 and it all seems groovy.
The default display manager is gdm3, in line with the 23.10 current blessed GUI with the bar on the left and so on. (I don't know ...
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Delay after unlocking screen?
I'm running Lightdm on Ubuntu 22.04, and I've noticed that after I unlock my screen, my desktop appears, but it's completely frozen for about 15 seconds, which is frustrating.
Before, in 20.04, I was ...
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Multiple LightDM's
Relatively not long ago I had found out about different Display managers for Ubuntu and decided to try gnome. After that I wanted to go back to lightdm, and when I executed the command sudo dpkg-...
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Ubuntu Server + lightdm + VNC != usbale Desktop. Don't know what i did wrong
I'm using ubuntu server 20.04 to run a standalone system, which hosts my automated tasks and zigbee gateway.
The Zigbee gayteway uses software from "phoscon / deconz" [https://www.dresden-...
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Audio feedback loop on login screen
I use Lightdm and Cinnamon on Ubuntu 20.04 LTS. Every time the computer boots to the login screen, its microphone input is audible on its loudspeakers, so any noise I make (such as typing my password) ...
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No Desktop after version upgrade
Thinks look dark!
After doing a system upgrade from 22.04 to 23.04 my laptop displays a black screen, not even wallpaper. However, I can login via ssh. I've flailed about in ignorance and gdm.service ...
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Lock screen bug Ubuntu 20 (Ctrl+Alt+F7)
I have discovered a bug in my Ubuntu 20 that I would like to fix, I have searched everywhere but I have not found any solution. The problem is that when I lock the session with the button in the upper ...
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Changing font styles of lightdm-gtk-greeter
I can change my font using the following option in lightdm-gtk-greeter.conf:
font-name = ...
But I'm not sure how to change the size or weight. I tried putting the following CSS in my GTK theme:
#...
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How do you lock the screen on suspend but not on hibernate when using lightdm's screen locker?
I want lightdm's screen lock to function on suspend but not hibernate, because I do not want to enter both a password to unlock the computer and the lightdm screen-lock password. This question has ...
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What do I modify to stop light dm from starting at boot
I installed MATE and lightdm and then set them to to start automatically
$ sudo systemctl set-default graphical
$ sudo systemctl start lightdm
$ reboot
System is now stuck trying to start light ...
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LightDM showing wrong version on Kinetic
Ubuntu Kinetic, 22.10. (Will soon update to Lunar.) Originally 13.10, upgraded via LTS versions since: 13.10 -> 14.04 -> 16.04 -> 18.04 -> 20.04 -> 22.04.
I use Unity because I like it. ...
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Desktop login not allowed
Suddenly my Odroid mini PC with Ubuntu do not allow to login to Desktop. After I press Log In screen flashes with dark for one second and gets back without logged in.
I found error in /var/log/auth....
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Lightdm display manager timeout error
In Ubuntu 18.04 using lightdm as a display-manager, but the status of the lightdm service is always activating and exactly at 90 Sec after service get started it was showing status=activating and ...
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Stuck in login loop, but only for one user
I was working on my Lenovo Idea Pad with Ubuntu when suddenly the screen froze, I could move the mouse and see the cursor moving, but clicking or pressing the keyboard keys had no effect, so I decided ...
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How do I get Xubuntu to stop blanking and locking the screen -- and sometimes rebooting -- all while unattended
I have 7 machines all running Xubuntu, and a couple of them keep exhibiting this behavior despite my attempts (outlined below) to quash it. I want these machines on 24/7, and I want to see their ...
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Xubuntu freeze on lightdm login after upgrade to 22.04/22.10
I think it's the first time, that I ask a question here, since I found an answer for all previous issues.
I upgraded my xubuntu 20.04 to 22.04 (and then on commandline to 22.10, because I hoped, the ...
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Cannot SSH to Ubuntu 18.04 After Switching from gdm3 to lightdm
Setup new Ubuntu 18.04 server with default gdm3. Installed openssh-server and was able to SSH to the server.
Installed Teamviewer 15 and encountered issue where it fails to connect, and the solution ...
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RDP only works while a monitor is attached to the host
Ubuntu Server 22.04 with lightdm and GNOME. RDP only works while a monitor is attached to the host. Doesn't RDP initiate a whole other separate session (like in Windows Server), or is this basically ...
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lightdm can't start
I tried to use lightdm in WSL2 ubuntu, however it doesn't work. I tried reinstall lightdm and polkit. It seems like something about dbus is wrong.
ubuntu:22.04.1 GUI:GNOME
ding@LAPTOP-V70877ES:~$ sudo ...
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Blue tinted screen after login
I freshly installed Ubuntu Server 22.04.1 and added ubuntu-desktop with lightdm to it. Everything is running fine, besides the fact that the screen is getting tinted blue after I log in. See attached ...
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VNC Crashes right after login
While I'm connecting to a pc via VNC it works smoothly but when I'm trying to log in a specific user which I added the user via the Join to domain process the VNC crashes right after, the login worked ...
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Configuring LightDM Lockscreen
Through some online forums I determined that, with lightdm, I could bypass the authentication greeter after a screen lock by simply switching the VT/TTY.
Then I came across information from here: ...
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How to make LightDM login screen have the same background as the desktop background in Ubuntu MATE?
I am using Ubuntu MATE 22.04.
Back when Ubuntu used Unity, the background of the LightDM login screen automatically changed when a different desktop background was selected.
Can something like that ...
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22.04 black login screen on Early 2008 iMac
for some days now I only get a black screen after booting.
Detailed error description:
During the boot, the display resolution seems to be messed up and everything is displayed in a distorted manner. ...
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Problem with display manager in several kernels
I'm having a problem starting the GUI on several kernels - now for a while and it is getting more severe now:
The general problem is, that the boot of the system stops at the point when starting ...
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apport-autoreport.service loaded failed failed Process error reports when automatic reporting is enabled
OS Ubuntu 22.04.1 LTS
Kernel 5.15.0-52-generic
DE: GNOME 42.5
CPU: 11th Gen Intel i5-11300H (8) @
GPU: NVIDIA GeForce GTX 1650 Mobile
Memory: 3173MiB / 15795MiB
I am not ...
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Screen flicker on 'Lenovo ThinkPad P16 Gen 1'
Whenever I close the display and open it back up, the screen starts to flicker. It doesn't go away, and the only way I know to get back to normal screen is to restart the machine. I have tried lightdm,...
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Xubuntu Studio - login prompt opens on wrong screen on dual-monitor setup
This PC is Ubuntu Studio with Xfce, used as a gaming emulator and home cinema.
Primary display: Dell 2009W (1680x1050) - monitor
Secondary display: Panasonic PTAT6000 (1920x1080) - projector
GPU: ...
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I have locked myself out of my computer
I am now running Ubuntu 22.04 LTS “Jammy Jellyfish”
As you could expect from my other post on custom keyboard issues, I have messed up again with my /usr/share/X11/xkb/rules/evdev/files
The unexpected ...
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Releasing CAPS LOCK with the SHIFT key
I want my Shift key to do caps and special characters without being affected by Caps Lock.
I want to release Caps Lock with Shift.
I don't want Shift to toggle.
How can I do this?
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unknown guest account with password created
i am using ubuntu 20.04 i want guest session for students so i enabled it by following
How to enable Guest session on Ubuntu 20.04 Focal Fossa Linux
30 April 2020 by Lubos Rendek
terminal commands
1....
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Ubuntu 20.04 x11vnc black screen with lightdm
I am running a fresh installation of 20.04. I am new to this, so I followed this video for installing x11vnc.
The problem I'm facing is that the screen shows black on the remote pc when there is no ...
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After attempting to upgrade from 18.04 to 20.04 login LightDM is black (blinking cursor), can't access v-terminal or recovery mode
I attempted to upgrade from 18.04 to 20.04 to no avail. After some issues I restarted my computer and now the login screen is just black with occasionally a blinking grey cursor in the top left.
I've ...
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22.04 upgrade from 20.04 - stuck after login; lightdm problem?
Yesterday I upgraded my Ubuntu 20.04 Pixelbook (full Ubuntu, no Chrome nonsense) to 22.04. However, the system now gets stuck immediately after login. After I successfully log in, the login prompt ...
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Desktop takes time to show up after entering password on login screen
After entering my password at the login screen, a blank screen appears with a mouse cursor which we can move and after ~2 minutes the desktop shows up. This happens not only after booting but also if ...
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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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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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