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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869 views

LightDM says “Password Incorrect” sometime while it isn't

Sometimes I can't login with LightDM (with it's GTK greeter), because it says "Password Incorrect", while I've typed correctly. When that happens, I need to login at TTY1 and restart the LightDM ...
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1answer
189 views

Moving cursor to edge of screen results in GNOME “carpet” border

I'm not sure I can accurately describe what's happening to my screen here, but here is a screenshot: Essentially, what is happening is that when I move my cursor to the edge of the screen, the main ...
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0answers
2k views

Lock on suspend with LightDM

I was reading the Arch Wiki on how to start a screen locker when suspend, but I can't get work light-locker for LightDM from my suspend@kevin.service looks like this: [Unit] Description=Screen Locker ...
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1answer
579 views

openbox - How to switch user without logout?

I'm using debian 8.3 jessie stable with openbox, fbpanel, lightdm. When I'm in openbox session, I do not find an option to switch user without logging out the current user. How can I switch user ...
3
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1answer
843 views

Lightdm Won't Start in Test Mode With OpenRC

I have a funtoo installation and I recently did sudo emerge x11-misc/lightdm which appeared to work fine, but attempting to start lightdm in test mode with sudo lightdm --test-mode gives this: ** (...
2
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1answer
787 views

Linux Mint won't bot to GUI automatically

Okay, I am out of ideas. There was a power failure during an upgrade, and now the system boots to the terminal, tty1, and the GUI does not load automatically. I have lightdm as my login manager. I can ...
2
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1answer
613 views

override session for a user (without user list)

I have a machine that will be shared among few users and me. The other users come from Windows environment; I think Xfce is great for them but for myself, I always want to use i3. So the behavior I'...
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0answers
183 views

Cannot start X servers on different display tabs

I'm very new to customizing my Desktop with Ubuntu, but I'm trying to get some video games to work. I'm using 16.04 with Nvidia and after a lot of headaches with frame rates and not being able to ...
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0answers
374 views

After enabling apparmor Lightdm does not login automatically

I am trying to enable apparmor for Linux system (Debian 8). After Enabling i notice that my lightdm does not start. If i enable complain mode in apparmor for lightdm. it works . Posting logs for both ...
4
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0answers
612 views

“No protocol specified” when starting Xorg via lightdm, but works when started directly

To start the X server on boot, use of a display manager such as lightdm seems to be the preferred method. However, if I start X by starting the lightdm service, I get a "No protocol specified" error. ...
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0answers
2k views

Lightdm greeter: Not running inside a display manager, XDG_SEAT_PATH not defined

I am trying to use lightdm-webkit2-greeter under xfce. When I run dm-tool lock, I get Not running inside a display manager, XDG_SEAT_PATH not defined. When I run dm-tool list-seats, I get Unable to ...
7
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1answer
3k views

Autostart all LightDM seats and show one as default

I configured a media-center server running Debian with LightDM, Leapcast and Plex. What I want to accomplish is the following. There should be three LightDM seats, one default seat on which I can ...
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3answers
1k views

cannot change my login screen background

I cannot change my login screen background to the desktop background in my elementary os which is based on ubuntu. I have decrypted my home folder according to this link: http://www.howtogeek.com/...
5
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1answer
3k views

Can't export environment variables on X session start

My setup is: Debian testing (stretch), up to date LightDM with autologin enabled Awesome window manager bash, in ROXTerm or XTerm I don't seem to be able to set own environment variables and get it ...
2
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1answer
3k views

On a machine with multiple Desktop Environments set, how is the default DE configured?

I am provisioning systems with multiple Desktop Environments (Ubuntu 14.04, with Unity and Xfce). I want to change the default DE to Xfce from a non-interactive script (for autologin with lightdm). ...
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0answers
39 views

Killing a secondary Xorg stops display manager

My computer runs on Debian Stretch. For testing GUI applications purpose, I'm using a second instance of Xorg on display :X (X != 0). After upgrading from jessie to stretch. Killing the secondary Xorg ...
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0answers
2k views

Weird mouse problem Linux Mint

I have linux mint 17.1 cinnamon 32bit. I installed these packages: lxde lubuntu-core lubuntu-icon-theme lubuntu-restricted-extras I selected lightdm as defaut. After that I log off and log in on ...
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0answers
1k views

kernel: bcm2708_fb soc:fb: Unknown ioctl 0x40187a22

I have a Raspberry Pi running Raspbian. Towards the end of the startup log, I see this error. I believe it has been there a while, and I'm not sure what it may imply. kernel: bcm2708_fb soc:fb: ...
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1answer
711 views

Need to stop the automatic start of login manager (Antergos, GNOME)

I'm trying to install an NVIDIA Driver, but I must turn off the Xserver first. I've tried a lot of methods I found online, but none seem to work. I'm using Antergos with GNOME. Ctrl + Alt + ...
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0answers
321 views

Trigger a GTK application from CHROOT during LightDM startup

I am trying run a GTK application with chrooted environment. Mentioned are the lightdm settings which I have set. System configuration: OS : Debian 8 chroot FS: Debian 6 Windows manager : LXDE ...
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0answers
1k views

Synergy isn't working anymore after lock screen (LightDM)

I'm trying to get Synergy, which is a keyboard and mouse sharing tool, to autostart on a second desktop. I'm using the distro BunsenLabs which is based on Debian Jessie on both desktops, and so I have ...
3
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1answer
8k views

Disable login screen on Ubuntu 15.04 (Vivid Vervet)

In 15.04 Vivid Vervet, how do I disable the login screen so that it drops me into a console right off the bat? Back on 14.04, I did this by uninstalling lightdm, but when I tried that on 15.04, the ...
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0answers
471 views

multiseat, is it possible to access virtual terminals on any seat?

My current multiseat config works fine, except for one thing : I cant access virtual terminal on either seat. I think it comes from the fact I launch X through my DM (LightDM) with the -sharevts ...
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0answers
1k views

unable to restart lightdm

I have netbook with following hardware config: Ubuntu 14.04 Intel i5 4th gen NVIDIA 820m graphics card using Nouveau display driver v346 if I run sudo service lightdm restart I get black screen, ...
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1answer
660 views

How do I make debian lightdm look like trisquel lightdm

In trisquel the file folder looks like the first picture. Debian is the second. They both use lightdm and I installed the gtk+ greeter. Unity doesn't appear to be in the debian repos but I don't think ...
8
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1answer
14k views

Configure Lightdm (GTK) for last saved or a default user and focus on password?

I've looked at the man pages and the configuration files but found nothing (but maybe I'm missing something). I see only many options for autologin. From a few googles I've read that the KDE version ...
5
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4answers
7k views

How can I disable lightdm auto-login from the command-line when isn't possible to get a GUI session?

Suppose auto-login to a session is active in Ubuntu. So there will not be an opportunity to select a session (e.g gnome, unity, kde, etc). But if the environment is corrupted there is no way to escape ...
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2answers
383 views

What configuration determines which Desktop Environment to run?

I have a system with multiple Desktop Environments installed (Ubuntu 14.04 with Unity and Xfce). I would like to configure (with a non-interactive script) a particular DE for a particular user. How ...
3
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2answers
19k views

Lightdm user session settings on Ubuntu

Lightdm is displayed properly but after entering a password and clicking login, I see the screen blink and lightdm window re-appears and asks to log in as if nothing happened. Configs user@laptop:~$ ...
3
votes
0answers
5k views

Autologin question with LightDM & Ubuntu 14.04

I have set up a batch of workstations at a library using DRBL. These workstations are running Ubuntu 14.04. I want these workstations to autologin to a specific user (a different one for each ...
3
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0answers
317 views

KDE / LightDM - disable multiple users being logged in / 'switch user'

How can I disable the 'switch user' function in the kde start menu, so that only one user can be logged in at the same time?
2
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1answer
445 views

Who started xterm in my debian xterm+lightdm kiosk system?

I have stripped my full desktop debian 7 x64 to the bare, leaving just xorg and lightdm for a kiosk application. I have changed the lighdm configuration to auto-login a user. When I boot, this works ...
1
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1answer
7k views

lightdm fails to start properly on boot (works from terminal)

I have elementaryOS and after updated my Kernel to 3.11 I get black screen after boot. If I type Ctrl + Alt + F1 to go to command prompt and then do sudo service lightdm restart, lightdm starts ...
2
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0answers
2k views

Lightdm does not start after using webkit greeter

I am using lightdm. And I compiled the lightdm-webkit-greeter from source. Here are my /etc/lightdmlightdm.conf settings: [LightDM] [SeatDefaults] xserver-allow-tcp=false greeter-session=lightdm-...
5
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1answer
1k views

Lightdm service - contradictory results for `status` command

When I run in my gnome-terminal: service lightdm status everything looks OK and it is as expected: lightdm start/running, process 1221 But when I run: service --status-all 2>&1 | grep ...
1
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1answer
2k views

Different behaviour of systemctl suspend when executed via i3 wm key binding

I am using the i3 tiling windows manager in combination with light-locker to lock the screen. Light-locker displays a lock message on the locked TTY and shows the password screen on a second TTY. ...
1
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1answer
765 views

Run service after logging in on an X session

I am using Ubuntu 12.04. I want to automatically start a service after login with LightDM. This service is not meant to start on boot, but after X is initialized.
2
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1answer
1k views

Display dialog from pam_exec environment at login?

I'm using pam_exec to do some root tasks. They take some time, and I'd like to tell the user to wait a moment. I'm doing the tasks there, and not later, because I need: Root permissions To rsync the ...
1
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3answers
901 views

Screwed up the lightdm.conf file, now what?

I screwed up the lightdm.conf file as superuser. What I was trying to do: I tried to insert a command (xbacklight -set 50) that sets my monitor brightness at the lightdm config file. Now when I start ...
14
votes
1answer
27k views

~/.xinitrc not being run

I am not able to run my ~/.xinitrc (~/.xsession) scripts when logging into my computer. I'm using Xubuntu 12.10 with vanilla lightgm as the login manager. Both these files have the right permission (...
2
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0answers
5k views

lightdm doesn't work after installing lightdm-unity-greeter on arch

I was using lightdm with the lightdm-gtk-greeter just fine, however I tried to install the unity greeter and now it shows me a black screen with a blinking cursor (I have to ctr+alt+1 and login ...
2
votes
1answer
2k views

LightDM shows a black screen in my Arch Guest VM

I'm trying to get LightDM to work but for some reason it just shows up a black screen when I get to the user selection screen, GDM works fine though. I followed the ArchWiki doc and it's strange ...
3
votes
1answer
7k views

ubuntu like lightdm in arch linux

I have just installed archlinux on a virtual machine and I managed to install lightdm by following the instructions given in https://wiki.archlinux.org/index.php/LightDM https://wiki.archlinux.org/...
3
votes
1answer
2k views

What are the commands to logout and shutdown with a session manager?

I decided to write my own DE using these instructions here it worked and I can login however I didn't use a panel so I don't have a logout button or a session manager. I've decided to write my own ...
6
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1answer
1k views

Does restarting of Display Manager (e.g lightdm) restart X server as well?

If I restart the Display Manager, e.g lightdm, will X be restarted as well ?
5
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2answers
18k views

Lightdm won't start automatically on boot

Every time I boot my PC Ubuntu keeps dropping me to TTY 1 where I have to log in and then do sudo lightdm start just to log in again, which is very annoying I have already tried removing and re-...