Questions tagged [lightdm]
LightDM is a lightweight X11 display manager. It can use different greeters in the style of different desktop environments.
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Nanopi / Debian - Disabling Auto Login Breaks Sound
I have the NanoPi R6C. The vendor, FriendlyElec, provide an image of Debian 11. I flash this to the eMMC. Out of the box, sound works through the USB headphones (though not through HDMI).
The image ...
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Debian 12 boot fails to load lightdm and stops
Debian 12 fails to boot after last upgrades writing sth like
[failed] Lightm did not load
The content of /var/log/lightdm/lightdm.log is as follows
[+0.00s] DEBUG: Starting Light Display Manager 1.26....
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Mounting directories on demand or until logged
As from object, I want to mount some directories (with binding) at login and possibly unmount them at logout.
At the beginning I tought about autofs, but it dynamically creates mount points, that's ok ...
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Failed to start Light Display Manager, stuck on black screen
I have been using Linux Mint for about a month. Today, I turned on my computer and first I got this error after the Linux Mint logo appeared.
UBSAN: array-index-out.of-bounds in /var/lib/dkms/...
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Lightdm multi screen arrangement
I run XFCE on Debian with two monitors next to eachother.
The default positioning of the monitors is mixed up. I.e., when the mouse leaves the left edge of the physically left monitor it isn't blocked,...
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Seamless login in EndeavorOS
I would like to achieve a smooth login process where there is no visible black screen during the transition from the login screen to my desktop, similar to the experience in Windows 10.
Both Debian ...
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nvidia (proprietary) output not resuming after suspend
After suspend+resume, the display connected to my NVidia card (3050 ti) with proprietary drivers on Manjaro keeps getting 'no signal' about 95% of the times. All of the standard tricks (updating bios, ...
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lightdm: neither xdmcp nor vnc providing remote session
I want to be able to connect remotely to my daily driver (Debian 11) within my LAN from my laptop and other devices. Ssh works fine but niether Chrome nor Firefox are happy running over ssh / some ...
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Disable the 'Other' User Option From LightDM
I am currently running LightDM on my AlmaLinux 8.8 machine and I wanted to know if it's possible to remove the Other user option as shown below.
I have already tried to edit the /etc/lightdm/lightdm....
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What is dbus_enable?
I am hoping someone can explain what dbus_enable is and what benefits it would bring should I include it.
Additionally I am not sure where this would be placed however I feel it may be added to the ~/....
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No display manager after Debian 12 installation on Hyper-V
I installed (graphical installation, selecting xfce) Debian 12 on Hyper-V Gen1 VM within Windows 10. When reboot Debian no login screen appears. What cause the problem that lightdm does not start? ...
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Changing the default lightdm greeter not working on Arch with XFCE
I installed two greeters:
ls -la /usr/share/xgreeters
-rw-r--r-- 1 root root 187 Sep 6 2022 lightdm-gtk-greeter.desktop
-rw-r--r-- 1 root root 137 May 25 04:52 lightdm-mini-greeter.desktop
And ...
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Where does lightdm store its desktop environment settings?
As you can see in the image below, on login lightdm has a certain desktop environment pre-selected, and also has the option to switch over to others.
Where in the file system is this information ...
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How to change lightdm's wallpaper per user?
I changed the display manager from sddm to lightdm.
I'm using Kubuntu 22.04, and slick-greeter as lightdm's greeter.
I remembered that when I was using xfce4 and changed the wallpaper in the xfce4's ...
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How to switch lightdm-gtk-greeter to use wayland only? (x11 not installed)
I'm on a Fedora Server 37 iso, so no DM/DE is pre-installed.
Install wayland, lightdm, and lightdm-gtk-greeter.
Edit lightdm's config to use lightdm-gtk-greeter
(Line 102) change greeter-session=...
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LightDM displays wake immediately after sleep
Update 2: The behavior only happens when both monitors are enabled and when lightdm-gtk-greeter is active. Disconnecting or disabling (with xrandr) results in expected behavior.
Update: Seems to have ...
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How to make a Linux system only use english as a locale and language, but use another one on a GUI/Desktop Environment?
Let's say that I install a Linux in my native language (english), and that the user I'm doing the install for only knows spanish (which all I know of is: Que?). English being obviously far easier for ...
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Lightdm sometime fails to autologin
We have some kiosks which uses lightdm with autologin. Autologin sometime does not work, this happens randomly after reboot, mostly it works but sometimes it fails. Instead of autologin login screen ...
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Lightdm do not have access to files under /home
Using lightdm, I'm trying to set a wallpaper on the logging screen using lightdm-settings.
If I set an image under /usr/share/backgrounds it works.
If I set an image under /home/me/Images, the image ...
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How to enter password without Keyboard on graphical login screen?
I am using Debian desktop for Lichee Pi and I am new this platform(linux).
After energizing, the graphical login screen appears.
But I don't have a real or virtual keyboard.
Can I enter this password ...
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Force SeatN to display :N
I have a multiseat setup using 3 GPUs, loginctl and lightdm and it mostly just works. Two small areas where it doesn't is with bluetooth audio devices and ssh X forwarding misbehaving when I'm not on :...
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FriendlyArm: reset lightdm settings for autologin
I'm using FriendlyArm on my NanoPi.
I tried to install and launch tigervnc-standalone-server and failed. After that I deleted it with apt autoremove.
But after that my settings for autologin don't ...
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My light-dm greeter only quickly shows my wallpaper then changes to the default one
I am trying to let the login greeter of my Debian unstable machine show a custom wallpaper. It shows up quickly at boot, like half a second but then it fades into the default wallpaper.
What could be ...
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Display manager not starting KDE. SDDM freezes machine at boot
This is my first post here so I apologize any inconvenience. After many attempts, I have sucessfully installed Arch and tested some DEs in a virtual machine. I tried GNOME with gdm and it went well. ...
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XDMCP locally using Unix sockets
Is there any way to start a XDMCP session, say with Xephyr in LightDM, locally through Unix Sockets instead of IP?
For performance I was wondering if, somehow, I can avoid any network stack working ...
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Change default xorg.conf video driver
Debian 11 here with LXDE (Xorg + lightdm)
How could I change the driver used by X?
My X is using the default options, I have no /etc/X11/xorg.conf file, so I generate one with the command sudo X -...
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Recent LDAP user list missing in greeter using lightdm
I am switching our desktop manager from xfce to mate on centos 7.4.
This means that we are switching from gdm to lightdm.
For some reasons, it is impossible for our recent user authenticated via a ...
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xrandr - Issues using --left-of to set up a second display
I have two monitors, DP-3 with 2560x1440 resolution, and HDMI-1 with 1920x1200 resolution. I want HDMI-1 to be displayed to the left of DP-3. When I run xrandr --output HDMI-1 --auto --right-of DP-3 ...
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$DISPLAY of lightdm?
lightdm is running an X server. How to find out which $DISPLAY setting it is listening to?
Background: I'm debugging what appears like DPMS issues between a monitor and a GPU (proprietary nvidia ...
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Installing gdm3 causes settings to crash, doesn't work on pre-existing accounts
so on my fresh Xubuntu install (dual booting with macOS Catalina), I wanted to install gdm3. I used the following commands:
sudo apt-get install gdm3
sudo systemctl enable gdm3
sudo systemctl disable ...
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Blank screen at startup, xset is unable to open display ""
Seemingly from out of nowhere, I get a blank screen during startup on Arch Linux. Going into the TTY shows me
xset: unable to open display ""
Unable to connect to X server
I use X11, ...
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How to setup lightdm to automatically log in specific user only once
When you add following config into one of the lightdm config file, you can get user to be automatically logged in:
autologin-user=user224348
autologin-user-timeout=20
user-session=ubuntu
This is ...
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Which process handles XF86 keys?
There are multimedia buttons in my keyboard, the key I am actually interested in are Brightness keys (XF86MonBrightness{UP|DOWN}).
I am using bspwm window manager, and without any sxhkdrc config the ...
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gdm3 or lighdm not working (X11 won't start)
I am using Debian 9. After installing Gnome I only see my mouse cursor on my computer screen. I uninstalled Gnome and enabled X11 but it didn't work. I need to connect to the board I use via ssh and ...
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Raspberry pi OS can't load lightdm
Running the Pi using physical monitor works fine. But without HDMI connection, The NoMachine couldn't find any display running. Trying start lightdm using service lighdm start via ssh didn't works, as ...
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Cant lock screen on xfce
A few days before, I wanted to try out xscreensaver as it is knows for its cool screensavers. So I installed that by:
sudo apt-get install xscreensaver xscreensaver-gl-extra xscreensaver-data-extra
...
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Can LightDM greeter blank the screen to save power on laptop?
LightDM would display the greeter (login box) after Lock Screen was activated. The display with the greeter would stay on and I suspect that would chew up battery (I'm using a laptop). Is there any ...
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Authenticating as any user using admin credentials
I manage a bunch of laptops in my household, and while I can do most things over SSH, sometimes I just need to physically sit down at someone's logged-in desktop environment. If the user is around, I ...
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LightDM won't boot after changing graphics card
I changed my graphic cards from nvidia to a radeon R200 and now LightDM won't start even though I installed the new drivers.
I'm using Arch.
Can anyone please help me?
EDIT:
I can't copy the logs ...
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Can't read ~/.Xauthority after implementing NFS Kerberos mount
I'm using Debian Buster where I have Kerberos, LDAP and SSSD working. I was mounting my home directory on the client using NFS however I realized it was insecure. So I implemented Kerberos mounting.
...
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LightDM running command after authenticating (pam_exec or other)
LightDM allows using dm-tool lock to "lock" the session. But I can't find config responsible for authenticating in /etc/pam.d.
/etc/pam.d/lightdm - is only during initial login to session
/...
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Enable lightdm autologin using sed
I need to edit /etc/lightdm/lightdm.conf using sed inside specific section, uncomment and set value.
This section is [Seat:*] and line is #autologin-user=
I expect this change:
Before:
[LightDM]
.
.
.
...
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Empty login screen with two monitors (lightdm)
I'm using Kali Linux 2020.4 with xfce4=4.16 and lightdm=1.26.0-7.
I have two monitors setup: HDMI 1920x1080 (shows up as 2nd, HDMI1 in xrandr) and VGA 1366x768 (shows up as 1st, DP1 in xrandr), using ...
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How do I use dm-tool switch-to-user from outside of dm session?
I'm trying use dm-tool switch-to-user from outside of a session (I want to eventually call this from a systemd service)
I've followed the instructions on the man page on setting the XDG_SEAT_PATH ...
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error bootmessages. PAM unable to load. PAM adding faulty module
So when booting my Mint 20.1 I always see a short error. With journalctl -bI can see the following suspecious logs
Feb 16 15:28:43 username-home kernel: ACPI Error: Needed type [Reference], found [...
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How do I switch between users, without logging out?
I am using Lubuntu, my desktop environment is lxQt and screensaver is xScreensaver.
I'm trying to figure out a way to switch between users, (e.g. when pressing meta + L).
Even though, it is possible ...
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Cinnamon not detecting nvidia package drivers arch
I have just come from Ubuntu so getting used to Arch at the moment.
I have installed the cinnamon DE and lightdm. However whenever I boot into cinnamon I get a dialog telling me to check my drivers, ...
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LightDM is ignoring /etc/login.conf and ~/.login_conf
LightDM is ignoring /etc/login.conf and ~/.login_conf
LightDM is ignoring anything defined /etc/login.conf. Even if I modify it and rebuild the database as instructed, LightDM still does not apply ...
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American megatrends logo is displayed between plymouth end and lightdm start
In order to create an home made kiosk system I installed Ubuntu 20.04 Server. I configured plymouth to display my custom theme and set up the auto login using LightDM. After the auto-login is complete ...
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Ridiculously large amounts of RAM used (by lightdm)
Lately, my Arch setup is experiencing some problems. For one, a command Xorg :0 -seat seat0 -auth /run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch takes up about 25% of RAM (htop tells me this). ...
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