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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Unity LightDM background and gnome "lockscreen"
I've recently added Gnome3.18 in my Ubuntu 16.04, but I decided to keep with lightdm-unity-greeter, for some reason it uses my background picture in the login screen instead of my "lock screen" ...
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Deepin/Ubuntu white/black screen on login/lock pages (particularly with Deepin greeter)
I recently encountered an issue with the Deepin lightdm greeter that I'd like to elaborate an answer on, as finding it is a little obscure and this would, hopefully, help anyone searching around.
The ...
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Can't login via lightdm
I am using Ubuntu 18.04 that is setup for remote logins via XDMCP/LightDM. Authentication is done via LDAP/SSSD. Everything works fine and users can login into KDE Plasma, except that for some users ...
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Login loop / Intel Expired key - Ubuntu 14.04 LTS
I'm stuck in a login loop with my Ubuntu 14.04 LTS and LightDM. And to be honest, I'm pretty new in Unix.
I have tried many solutions found here like removing the .Xauthority file, creating a new ...
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Ubuntu won't boot after installing nvidia-304
I've installed nvidia-304 driver following the answer on this post.
After installing the NVidia driver and rebooting, my Ubuntu will not boot anymore. It gets stuck at "Starting Tool to automatically ...
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How to play sounds in lightdm greeter?
I am writing my own greeter for lightdm based on https://github.com/surlykke/qt-lightdm-greeter.
I wanna to play sounds to notify user if the password is not right for authentication.
I use alsa to ...
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Ubuntu 18 login loop + startx works
So recently I got stuck in a login loop on Ubuntu 18. I tried some solutions posted here but none of them works for me so far. Here's what I tried by accessing terminal from login screen:
Checking ...
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Lubuntu 18.04 refuses to not dim the screen
I've set the power management, screensaver, and lock screen settings to all not lock or black out the screen after any period of time, yet I'm still having issues where the desktop will dim after ...
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Screen does not dim Ubuntu 18.04
I've set blank screen after 1 minute but it does not blank. It keeps running. Maybe, it's because I turned off some services. Which one is related to blanking the screen? I use lightdm.
Disabled ...
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Jetson TX2 GUI not showing up
I have been working on Jetson TX2. I know there is openCV for python2 but I was trying to install opencv 4.0.0 for python3. The build folder was large(>10G) and during the make, it said the disk place ...
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Login loop problem Ubuntu 18.04 only for new users
I just installed Ubuntu 18.04 on a new computer.
The first user is fine. New users I created face the login loop problem.
I checked the .Xauthority and .ICEauthority files.
I reconfigured lightDM
I ...
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Monitor has stopped receiving input. Connected and registered but no display
Overnight, my left side monitor doesn't display. It seems to be connected and registered with the display manager but no signal getting through.
I'm using lightdm as display manager now and have just ...
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Unable to log in to to Cinnamon without snapd 18.10
I have recently re-installed an Ubuntu 18.10 system and installed cinnamon with:
sudo apt-get install cinnamon
as well as lightdm, and also proceeded to purge unity and gdm3.
I have a similar issue ...
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Ubuntu 18.10 with i3: How to automatically scale display
I'm running ubuntu 18.10 with i3 and lightdm. I have a 1440p screen on my laptop so when I boot up normally everything is scaled wrong. I can fix it with xrandr --output eDP-1 --scale 2x2. However, I ...
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I have a Login Loop only in XFCE
I know there are many similar posts already, but none solved my issue. I've tried:
renaming/removing .Xauthority
removing/re-installing/reconfiguring lightdm
switching to gdm
I've looked into ...
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System tray icons disappeared
I have Ubuntu 18.04 on my system and recently I started using lightdm instead of the default gdm. Every thing works well except that my tray icons are not showing now.
Rarely do they show (once in 7 ...
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How to fix login screen (lightdm) orientation and prompt with my two monitors?
I have Ubuntu MATE 16.04.6 LTS installed on a system with two monitors.
They act normally when I login to default MATE 1.12.1 session.
But the LightDM login screen looks weird on both screens:
...
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Switch from Dual Monitor Display to Single Display Permanently
ISSUE: My laptop's display is broken, so i removed the in-built monitor (LVDS1-1) and bought an external monitor (HDMI-1-1).
Under Setting, I am able to change display mode to 'Single Display' as my ...
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Ubuntu 18.04 login loop, startx opens up blank screen
I am stuck in a login loop on Ubuntu 18.04. I already checked the permissions/ownership of the .Xauthority, .ICEauthority and /tmp folder. I tried setting to from lightdm to gdm3. I am still stuck in ...
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Login Loop on Ubuntu 18.04.1
I am a beginner Linux user and have been using, as mentioned, Ubuntu 18.04.1 for about three months. So far, since I know I lack sufficient experience, I have avoided messing with anything tricky or ...
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Ubuntu flashes with a black screen without getting logged in
I was installing drivers for Nvidia GPU where I stopped lightdm to do so.
The drivers were installed through shell (ctrl+alt+f4) which I could verify.
And then I tried to login to my ubuntu desktop. ...
user849263
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How do I switch back to LightDM from GDM3 in Ubuntu Mate 18.10
So while trying to solve Logitech TouchPad T650 intermittent freezing issue, I installed Solaar ( https://pwr.github.io/Solaar/ ) via Synaptic. During the installation, it asked me to select between ...
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How to go back from plasma to unity [duplicate]
I use Ubuntu 16.04.5. I had decided to try Plasma 5 desktop and did this:
sudo add-apt-repository ppa:kubuntu-ppa/backports
sudo apt update
sudo apt install kubuntu-desktop
I've kept lightdm ...
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Ubuntu 14.04 wont login
I have tried this
Method1:
sudo apt-get purge lightdm
sudo apt-get update
sudo apt-get install lightdm
dpkg-reconfigure lightdm
Method2:
ls -ld /tmp
Check for the first 10 letters in the left: ...
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Screen lock on Ubuntu 18.04 goes to switch user
I have a new Ubuntu 18.04 installation using lightdm and ubuntu-desktop. Other than root, users are set up via an LDAP server.
If I log on as a regular user, I get the desktop w/o issue. If I ...
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Reconfigure the display-manager non-interactively
I am trying to change the default display-manager on a Ubuntu 18.04.1 in a non-interactive way to do this in a script.
Everything works as expected when using
dpkg-reconfigure gdm3
dpkg-...
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Cannot set monitor preferences on Ubuntu Mate 18.04 + lightdm
I'm using Ubuntu Mate 18.04 on my laptop (Lenovo G50).
I have an external monitor attached to it and I would like to set it as the primary screen.
Also, my laptop is on the right of the external ...
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I cannot log in to my account on Ubuntu desktop
I see the log-in screen but when I select one and enter the password it fails to log me in. It easily enters into guest account by the way.
I suspected there is some graphical problem and checked ...
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auto login with AD user 16.04
I configured ubuntu 16.04 with AD Domain user.
I use GNOME display manager and lightdm as login greeter
I can login with the domain user as normal after boot with no problem!
when i configure lightdm ...
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After adding a new user, its not possible to login via the GUI with that user
I cannot login via the GUI with a new user account I created in Ubuntu 16.0.4.5
I've read a lot of other threads that are similar to this problem, but nothing I've tried has worked.
The user has ...
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Ubuntu 16.04: Failed to start Light Display Manager
I am running Ubuntu 16.04 on VirtualBox 6.0. The hosting system is Windows 10.
Before everything started to fail, I've had installed VirtualBox 5.2.2. After that, there appeared a dialog inside of ...
user760819
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Ubuntu 18.04 Won't Advance Past Login Screen
I am not sure what caused my current issue but I had recently installed a displaylink driver for a secondary Asus MB186B monitor connected via USB 3. After rebooting this worked fine. I was messing ...
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"Failed to start session" on login
I have a machine (let's name it my-machine), which runs Ubuntu 16.04.
my-machine is connected to LDAP, and I use an LDAP account to login to it. With my LDAP account, I use exclusively this machine.
...
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18.04: Even with WaylandEnable=false gdm3 and lightdm only load sometimes
I am happy to use either gdm3 or lightdm, but neither are stable on my Ubuntu 18.04 system, they will work for either one or several boots after I take corrective action, but inevitably this results ...
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Problem with lock screen after suspend
I'm running Ubuntu 18.10, and I've changed my login screen to lightdm (since I don't like the gdm3 screen), but whenever my laptop suspends, it'll still show the gnome lock screen to log back in. ...
user909509
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Xorg high CPU usage when session is unlocked + USB port
I'm experiencing Xorg high CPU usage(90-100%) problem when I unlock session. It keeps going for 5 minutes.
Process that causes problem:
/usr/lib/xorg/Xorg -core :0 -seat seat0 -auth /var/run/lightdm/...
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How to configure login screen in Xubuntu 18.04 - Slick Greeter
I have installed Xubuntu 18.04.
The login screen shows lightdm gtk greeter like login.
I didn't like this type of view so I installed slick greeter through terminal and removed gtk greeter through ...
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How to use custom ~/.xsession with gdm3 in Ubuntu 18.04 Bionic?
I upgraded from 16.04 to 18.04 and can no longer choose my custom ~/.xsession in the session menu in gdm3 or lightdm. If I use xdm as the login manager my ~/.xsession runs, but then I have other ...
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My changes to com.canonical.unity-greeter file won't take effect
I've installed lightdm and messed around with my login screen settings, but now that I want to use the standard 16.04 login screen(minus the dot-grid) the changes won't take effect.
unity-greeter ...
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How can i change logo DE on LightDM
How can I change this with my own logo
i'm using ubuntu 18.04
I have searched but till now I haven't got the solution
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Lightdm is not changing background on Ubuntu 18.04
I installed Ubuntu 18.04.1 and right away installed Unity and configured lightdm instead of gdm and then removed gnome-shell while in unity enviornment.
Since then no problem except lightdm won't ...
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Lock screen not working in xubuntu 18.04
Just installed xubuntu 18.04. Lock screen doesn't work: when I click in the locker image on the ower right corner of the menu, nothing happens.
Trying to debug it I found out that apparently there is ...
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Use Xscreensaver at the login screen
I'm using Xubuntu 18.04 and I'd like to show a carousel of images as screeensaver. I installed Xscreensaver and it works fine when a user is logged in but I can't make it work at the login screen. ...
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failed to start Light Display Manager
I am very new to Ubuntu. I am getting failed to start Light Display Manager error when I start Ubuntu. I am not getting login page. It might be possible that I have deleted Lightdm package. Can I ...
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Ubuntu 18 unity - keyboard (not mouse) freeze, lightdm restart borks system
I'm having the following problem within Unity in Ubuntu 18
after a while the keyboard becomes non responsive (sometimes, prior to this it behaves like a mouse button is stuck down and mouse movement ...
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Stuck in login loop Ubuntu 16.04
I need some advice for working towards a resolution to my current login loop issue in Ubuntu Desktop 16.04. When I try to sign in locally, after I input the correct password, the gui prompts for the ...
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LightDM and Multiseat: how to make greeter remember the username of the last logged-out user?
I've configured a two-seat setup with Xubuntu 18.04. The only problem is that when user logs out on either seat, the greeter then picks (seemingly) randomly the username for the next login. Since the ...
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Lubuntu 18.04 displays wrong lock screen after waking from sleep
I have Lubuntu 18.04 installed on my laptop and I decided to install slick-greeter from the Ubuntu repositories. However, every after waking my laptop from sleep, this different undesired login screen ...
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How to adjust display settings for LightDM greeter on 18.04?
I have three monitors. My login does not position the monitors properly -- the left and right monitors should be swapped. How do I adjust the resolution and monitor position for the LightDM login ...
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gdm3 won't start by default after upgrade to 18.10 from 18.04
When I configure gdm as my default display manager (dpkg-reconfigure gdm3) and then reboot, I get a black screen with a blinking cursor. From there, I cannot do anything since the ttys does not work (...
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