LightDM is a lightweight X11 display manager. It can use different greeters in the style of different desktop environments.

learn more… | top users | synonyms

-1
votes
0answers
26 views

Ubuntu not booting

I have ubuntu 14.04 with Windows 10. It gives the purple ubuntu screen on start up. If I go to the recovery mode and then resume from there, I go on to the login page where it gets into a login loop. ...
0
votes
1answer
35 views

LightDM - default user session does not seem to work

I need to choose which default window manager is choosen by LightDM at startup. I have edited /etc/lightdm/lightdm.conf: [SeatDefaults] user-session=i3 autologin-user=ibox It does not seem to work, ...
0
votes
0answers
27 views

Desktop manager crashes when launching PyCharm

Ubuntu 14.04, this happens with every kernel older than 4.0.0 Corresponding syslog entries: Apr 30 16:08:37 insanity gnome-session[2268]: Gdk-WARNING: gnome-session: Fatal IO error 11 (Resource ...
0
votes
1answer
42 views

How do I obtain the dependency fcitx-dbus?

When I run fcitx, I get the following errors. $ (INFO-3262 /build/buildd/fcitx-4.2.8.3/src/lib/fcitx/addon.c:151) Load Addon Config File:fcitx-dbus.conf (INFO-3262 /build/buildd/fcitx-4.2.8.3/src/lib/...
3
votes
1answer
60 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 ...
0
votes
0answers
106 views

LightDM fails to load after system upgrade in Arch x64

UPDATE Kernel 4.4.5 itself is buggy. Downgrading to 4.4.3 solves the issue. Bug report has been filed. Today morning I performed system upgrade (07:44 AM IST). However, after restart (kernel was also ...
0
votes
0answers
81 views

xrandr not scaling / transforming display

I am trying to work out how to use xrandr transform and other options (Ubuntu 14.04.4, ATI Radeon HD5450 graphics, open source driver, lightdm). I have found the following (man xrandr): ... in other ...
0
votes
0answers
43 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 ...
1
vote
0answers
26 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 ...
4
votes
3answers
2k views

How to disable X server autostart in Debian Jessie?

I have a remote machine running Debian 8 (Jessie) with lightdm installed. I want it to start in no-GUI mode, but I don't want to remove all X-related stuff to still be able to run it though SSH with ...
4
votes
1answer
96 views

When is the appropriate time to start Redshift using upstart?

I have been trying to get Redshift to start before login so that the bright welcome screen does not blind me, in particular when switching users. Running Redshift as a service does not seem fully ...
5
votes
0answers
63 views

Wrong role and type on login

I'm on an Ubuntu 14.04 derivative, elementary OS Freya. I have installed and configured SELinux using the selinux-policy-default package, which contains a lot of modules. I've also added my user to ...
0
votes
1answer
156 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 + ...
0
votes
0answers
285 views

LightDM greeter simple prompt Xubuntu 15.10

I've got a problem configuring LightDM (version 1.16.5) under Xubuntu 15.10 such that the greeter only shows a simple prompt like user: __________ password: __________ without proposing users ...
1
vote
0answers
60 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 ...
2
votes
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: ...
2
votes
0answers
151 views

How to run a script after screen unlock under Gnome 3 with LightDM?

I'm on ArchLinux using Gnome 3, LightDM and Antergos/gnome-shell-extension-status-menu-buttons with light locker. I have a script that I need to run after every screen unlock, but so far I didn't ...
0
votes
0answers
19 views

LightDM shows the cache of the graphics and noise during turning on/off

Everytime when I had logged or logout on user account (most likely by LightDM) on main screen (only on main screen) for few seconds to max about one minute displayed is cache from graphic card / noise....
2
votes
0answers
370 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 ...
2
votes
0answers
109 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: ** (...
0
votes
1answer
140 views

xscreensaver running on lightdm GTK greeter

This is a dorky question and the merits of it are pointless. I have a system for guests and I want a BSOD screensaver for the login. I've been fiddling around for a while with various attempts at ...
0
votes
0answers
89 views

Login screen does not appear after stopping lightdm and installing NVIDIA driver

I'm using the latest stable version of elementary OS. I installed NVIDIA GeForce driver v352 according to this article instructions. Everything went fine till the end, but login screen didn't appear ...
3
votes
1answer
6k 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 ...
1
vote
0answers
212 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 ...
0
votes
0answers
228 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, ...
1
vote
3answers
882 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/...
0
votes
0answers
890 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 ...
0
votes
1answer
316 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 ...
2
votes
4answers
1k 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 ...
1
vote
1answer
1k 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). ...
1
vote
2answers
212 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 ...
2
votes
0answers
141 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?
3
votes
0answers
4k 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 ...
2
votes
1answer
232 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
vote
1answer
5k 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 ...
20
votes
1answer
27k views

What is LightDM and GDM

What is LightDM and GDM? In Linux operating system I heard both but I don't know about them and what is called? Where they are used? Are they related to display?
5
votes
1answer
5k views

Change the keyboard layout in LightDM

I installed LightDM on an Arch Linux system (using pacman) and it runs fine, except, that if I try to type a special character (like "@", "$", ...) in the user or password field it doesn't do anything....
1
vote
2answers
3k views

Set lightdm user picture

How can I set user pictures on Debian with lightdm? Xfce does not seem to have a GUI facility for user management at all. I have tried installing gnome-system tools that contains user management ...
1
vote
0answers
1k 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
votes
1answer
247 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
vote
1answer
530 views

KDE and LightDM on ArchLiux

Is it possible to use LightDM with KDE on Archlinux? Wiki says Basically there are two ways of starting KDE. Using KDM or xinitrc. I use also awesome WM and XFCE, so I'd like to use LightDM ...
1
vote
1answer
903 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. ...
2
votes
3answers
39k views

Enable root login from GUI

I just installed Mint 16 and I see that root user is not available at login screen. I log in from normal user and went to "Login Window" option and there I set "Allow root login". Then I restarted the ...
4
votes
1answer
6k 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 ...
6
votes
0answers
1k 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 ...
1
vote
3answers
2k views

Change lightdm background

Seen similar question many times on AskUbuntu, but most answers was bout unity-helpers or gconf ...canonical... etc, so this actually doesn't seem to work. The problem is that I decided to move to ...
1
vote
1answer
412 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.
3
votes
3answers
2k views

Need to auto-login after logout on ubuntu

I've set up a kiosk using Ubuntu 12.04, and I'd like to have it autologin after a user logs out or if the screen locks, in case someone manages to get back to lightdm or tries to login to the non-...
2
votes
1answer
669 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 ...
1
vote
3answers
535 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 ...