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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Kerberos ticket refreshed fine, but cache file has unexpected name: Appended "_randomstring" to cache file name
I have a Kerberos problem with a Debian 11 laptop that authenticates against a Samba server.
I use sssd, lightdm and KDE Plasma.
I have not overriden default_ccache_name in /etc/krb5.conf. According ...
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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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Force greeter and session to share xserver
I am using LightDM 1.30.0 and I see the xserver-share variable in the lightdm.conf which I have set to true. However, on screen lock, the greeter still occupies VT8 and the session VT7. How can I ...
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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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How to run vncserver/tigervncserver/Xvnc on Debian 11 as a PAM enabled service
I have a Debian 11 EC2, and want to enable multiple users to connect using the noVNC client to their own desktop remotely. I've installed lightdm (no greeters), xfce4 and tigervncserver. When a user ...
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Lightdm won't let me log in after adding a greeter-session
So I am trying to configure lightdm to add some themes. For some reason after adding the webkit2-greeter to greeter-session in the lightdm.conf and rebooting it won't simply log in. After I reboot, I ...
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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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How do I prevent systemd-suspend.service and systemd.target from running after waking up from suspend?
The problem
Sometimes when I suspend my machine and wake up from the suspend, systemd-suspend.service and systemd.target still runs.
This causes chaos on my system, some apps won't open, I can't go ...
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Snap installed apps broke after I installed Lightdm
Using debian 11 and KDE Plasma.
I was searching for solutions to another issue of mine and someone recommended to install lightdm to fix it. I installed lightdm but after a restart i noticed that all ...
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Arch linux Lightdm doesn't change greeter after config and reboot
Hello fellow Linux users
I have a problem with Lightdm involving the configuration. From some research, I've found to activate the slick greeter I needed to install and then modify a commented line in ...
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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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LightDM: how to distinguish users with the same name?
I am using LightDM with the Slick Greeter. In my system, I have two user accounts for myself. They have the same name, but different user names. I want to separate private and professional work.
...
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Mint Cinnamon shows login screen but not desktop
Yesterday I updated my computer using apt and walked away to let it run. I ended up being away from it for a few hours. When I got back I saw that it was done, so I closed the terminal and shut the ...
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Arch Linux Not Working After I Change Display Manager To Lightdm
So I thought about switching to LightDM. I switched by doing
sudo systemctl disable sddm
sudo systemctl enable lightdm
Then I restarted arch linux and everything ran fine. But then I thought about ...
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I cannot access XFCE when launched via LightDM
As a personal project I decided to start building a Linux From Scratch (System V Edition, 9.1) on a virtual machine. Everything went out correctly until the moment of entering the system through ...
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No HDMI signal on TTY7 when running Buster + NVIDIA GT 640 + nouveau + 4K UHD
Symptom
Upgrading from a WQHD ViewSonic display to a giant 4K UHD ViewSonic display yields a No Signal error (via HDMI) after my workstation successfully makes it through GRUB and Plymouth screens. ...
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Unable to use mouse and keyboard in Lightdm test mode
I have a Debian Buster as a VirtualBox guest, and when I run
/usr/bin/lightdm --test-mode --debug
I am unable to use both mouse and keyboard. (Ctrl+Shift does not help)
it outputs:
[+0.00s] DEBUG: ...
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Set certain desktop environment as default, and revert back to it after reboot
first of all, let me put a few things out of the way: I'm about to manage a few (semi-)public workstations with Linux Mint 20 that a lot of different people have access to. And you know people; they ...
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Copying picture to /usr/share/backgrounds/ with a script [closed]
I'm trying to copy a picture which gets selected with another script to /usr/share/background/ so that I can use it with lightdm, but I can't get it to work. I tried the usual cp "$file" /...
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How to run script when switching to specific (already logged in) user
There's plenty of info out there on how to run a script at login (add it to .xprofile etc.), but I'm looking for a solution that will run a script/command not just at login but also every time a ...
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