LightDM (Lightweight Display Manager) is a Display Manager for the X.org X server.

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No lockscreen option in CCSM 14.04

I expected to find Lockscreen option in CCSM after upgrading to Ubuntu 14.04, in Unity Plugin, general section, in order to switch between unity and lightdm. Unfortunately, It's not in the tab. Why?
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126 views

How do I set the LightDM wallpaper in Ubuntu 14.04?

In previous versions of Ubuntu, picking one of the default wallpapers meant that you saw it on the login screen as well. I am now on a clean install of Ubuntu 14.04, the LightDM wallpaper appears to ...
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36 views

How do I get lightdm to log me in when it freezes on Ubuntu 14.04?

I'm on Ubuntu 14.04 (somehow) and lightdm doesn't let me log in after I enter my password so I'm using gdm. gdm works fine. What happens is the password field disappears and I can't click on guest ...
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1answer
25 views

How to show old account on the greeter

TL;DR --> I want to know how to make an old account show up after reinstallation of Ubuntu so that I can log in to that account and not have to reinstall all the other software I had installed on that ...
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1answer
29 views

Incidentally removed lightdm - how to get it back?

I have incidentally removed lightdm, by sudo apt-get purge lightdm. Now I am not seeing login screen when starting the computer. (only black background.. nothing else) How to restore/install it back? ...
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24 views

LDAP authentication: not able to login through GUI but able to login from console

I am building a LTSP environment with LDAP authentication. I have configured the LTSP,LDAP server and client perfectly. I checked with getent passwd command in LTSP/LDAP client. I can see my LDAP ...
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0answers
14 views

How to disable “remembered last login” on lightdm?

Think there is 2 users on a Ubuntu: User1(=admin), User2. User2 logins to system and restarts it. It come up and User2 is selected for login, because he was who had last active session! I want to ...
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1answer
20 views

how can I costumize lightdm theme?

After I upgraded to 13.10 an ugly white icon theme appeared at top panel of lightdm, which does not fit bluish theme. I am using zorin greeter. I also tried gtk greeter but I didn't like it. I took a ...
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29 views

How do I rotate the login screen?

So I am trying out the 14.04 and I keep both of my monitors in portrait mode. But the login splash is in landscape. But I can't seem to figure out how to rotate my login splash or where the config is ...
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10 views

fill_in_dev failed ubuntu 13.10

I have installed Ubuntu 13.10 on a USB key but when I boot I see the error "fill_in_dev failed" flash up on a black screen after the initial Ubuntu splash screen appears. The computer will not boot ...
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39 views

Right-click copy with x11vnc server [on hold]

Noob here. Can't get right-click copy to work with x11vnc server. I am running Ubuntu 14.04 Beta2 LTS with the default lightdm and unity desktop, and currently have x11vnc server starting before ...
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1answer
75 views

Is it normal for lightdm.conf edits to not affect the desktop screen resolution?

I wanted to change my desktop screen resolution to 1366x768. But my VESA drivers(AMD REDWOOD) did not detect that resolution. So I created a shell script as follows:- xrandr --newmode ...
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1answer
31 views

Any way to change lightdm unity greeter background without changing current config files?

About changing lightdm unity greeter background image, most answers are to change /usr/share/glib2.0/schemas/com.canonical.unity-greeter.gschema.xml. Is there any way to change the default wallpaper ...
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1answer
48 views

How do I enable a specific pam config in the lockscreen?

In Trusty, there is a new lockscreen that fits the look and feel of lightdm, and shares some config files, espacially for pam. I am using libpam-fprintd to allow using my fingerprint reader when ...
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1answer
17 views

Is there a way to switch into another user account from a script?

Let's say I have an account on a small network of machines that is set to auto-login. If one of the machines has a problem with the network or one of its services, I need to break out of the ...
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6 views

LightDM don't display guest account wallpaper

In guest account on login screen lightdm shows clear purple screen instead of wallpaper and when I log in, I can see graphical artifacts for a few seconds and later desktop shows normally. How can I ...
2
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1answer
36 views

Start another GUI on different TTY

For some reason I want to have 2 GUIs open at different TTYs. the commands sudo service lightdm stop/start will stop/create a new GUI at TTY7. but how can I do the same at different TTYs or ...
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19 views

lightdm-session can't find the keystore file (i moved it), where is configured that file location?

So i'm running 13.10. For some reason i do not remember i have a keystore in a directory in my home. It appears that lightdm uses that keystore during login. So if i move the directory i am unable ...
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1answer
34 views

Unable to login from GUI?

Running 13.10 x64 on an Ubuntu laptop (System 76 Kudu Professional). When I bootup and provide my password; the screen goes black for a moment then returns to the login screen. Switching tty I am ...
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354 views

Ubuntu 14.04 - enable numlock on login [closed]

Numlock is not activated in lightdm: https://bugs.launchpad.net/ubuntu/+source/unity-greeter/+bug/1271953 Workaround for ubuntu 13.10 : sudo apt-get install numlockx gksu gedit ...
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1answer
115 views

Not able to login with LightDM

I am using Ubuntu 13.10 with Unity desktop. Unfortunately I am not able to log into my desktop. After entering correct password it keeps looping back to login. Could you please help me to sort out ...
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43 views

What's the proper way to restart X or lightdm on the command line via upstart?

I want to restart the display manager (lightdm in my case, on Ubuntu 13.10) on the command line. What's the proper way to do it? sudo /etc/init.d/lightdm restart from a terminal emulator doesn't ...
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27 views

Start desktop manager when display turns on

I have a computer that serves as some kind of HTPC. It's running XUbuntu (12.04, will upgrade in spare time) with XBMC. Everything works great, except one thing. The computer is connected to a ...
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18 views

Error installing Catalyst 13.12 proprietary drivers (Ubuntu 13.10) [duplicate]

Hoping somebody can help me out here. Fresh install of 13.10. I download and buildpkg the fglrx*.deb files from the AMD website. Everything installs correctly when you follow this patch ...
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1answer
47 views

When watching video full screen online, screen goes grey

When I have watched a video online (usualy with YouTube video's), be it with Firefox or Chrome and press the button to exit full-screen mode, my laptop screen turns grey and there seems to be nothing ...
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8 views

Run custom user interface application

I have written a Java program that I use as an information screen in a public location. It's a simple program that fetches some XML data from a web server and displays it as scrolling text. I would ...
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37 views

Start ubuntu with xrandr generated screen resolution

First of all, sorry for starting a new question. I couldn't see the forest thrue all the trees anymore is what we would say here in holland. It started with this question where I didn't know how to ...
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25 views

How to start xfce4 session inside upstart user session?

I would like to use a upstart user session to run some jobs under user control. My machine has mythbuntu installed which means I have lightdm which starts an xfce4-session. How should I replace my ...
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28 views

lightdm.conf is empty: what do i do?

I am trying to become a superuser. I am following these steps: terminal code: sudo passwd root enter my user password create root account password retype root account password terminal code: sudo ...
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3answers
60 views

Ubuntu won't let me login after software update

I'm a Ubuntu Newbie so I'll try to do my best but I'll need step by step procedures please. I have 13.10 installed and after last night's update, I can't login. The keyboard is slow to answer and ...
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27 views

How do I adjust DPI in 12.04

I think that I want (need?) to adjust my DPI. Qualitatively, text is very small and I usually find myself increasing text size in text editors, web browsers, etc. Quantitatively: The 1" square here ...
2
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23 views

x11vnc and screen help

hello all i am asking once again for a little help. here is my question i am trying to run a x11vnc the thing is i want it to be launched with a service command but not at startup and as well i want ...
2
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1answer
71 views

Switching between console and GUI in ubuntu

When in GUI mode, is there a CLI commands that kills the GUI and drops me into the console? When in CLI mode, is there a CLI command that drops me into the GUI? I found startx, but this drop me into ...
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57 views

LightDM is not working with selinux - enforcing mode [closed]

I am using ubuntu-12.04.2 LTS, it was working pretty well. But then I tried to change my system with selinux as enforcing mode. Then lightDM stopped working. So I could not login my system on GUI.
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140 views

Why runs evolution-calendar-factory?

Why runs evolution-calendar-factory? Here are some processes (created with ps aux --forest) lightdm \_ /usr/bin/X -core :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch \_ lightdm ...
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15 views

How do I create a popup banner before login with Cinnamon on Ubuntu 13.10?

I read the original question "How do I create a popup banner before login with Lightdm?" and the answer given there was very good. However, that covers the default "Ubuntu" session with GDM. How can ...
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44 views

LightDM will not start & xserver problems Ubuntu 12.04

I've been having an issue with resume after suspend for the past week and a half or so. After waking up the lock screen would be displayed, but I would not be able to type in my password. My ...
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19 views

ubuntu update crashes desktop

as i tried to fix the problem without knowing what it is. these conclusions ive discovered conclusions: 1- problem with gnome 2- problem with cairo-dock 3- problem with gdm 4- problem with ...
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13 views

gnome crashes while updating ubuntu

tried to update Ubuntu and its seems some package's has been block by the isp provider. my problem now a lot of things had crashed one of them is window toolbar and minimize and maximize icons and ...
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54 views

LightDM configuration files

I have an XUbuntu installation that uses LightDM that for some reason unkown to me went gabooey yesterday - black screen with just the mouse pointer on booting. (TTY's still working.) After much ...
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1answer
37 views

Problem with changing login screen

I tried several time to change my log in screen by using sudo dpkg-reconfigure lightdm. I choose lightdm from here. But my log in screen is unchanged and look like below. How can I change this and ...
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0answers
130 views

Can't login to Ubuntu Gnome 13.10. Login screen doesn't appear

I had been using Ubuntu Gnome for over 3 months now, without any issues. Today, when I tried to boot the os, I couldn't see the login screen. Instead, it shows the Screen with Gnome logo and it isn't ...
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15 views

X does not start on boot

After system upgrade to 13.10 there is no GUI at startup. I can login successfully and startx or start lightdm, but it should be done automatically. I tried following these instructions and did: cat ...
3
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1answer
83 views

13.10: Can't log in

So I've tried just about every fix I could find out there, but I still can't log in to my account. When I enter the correct password, the screen goes black for about a second, the cursor disappears, ...
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0answers
20 views

login screen don't accept my valid password? [duplicate]

After typing in my password, which I am sure is valid and spelled correctly, ubuntu redirects me to the login screen again and again. I don't get the usual 'Incorrect Password' notice or any other ...
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0answers
22 views

restarting lightdm in ubuntu 12.04 fails

I am running a laptop with Ubuntu 12.04. At work I have a 1080p monitor I attach via HDMI. I notice that if I am at home just working with the laptop screen and then put the laptop to sleep (just by ...
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47 views

Lightdm will not install Ubuntu 12.04

Ok, I am new to Ubuntu. Lightdm stopped working, so I pressed Ctrl + Alt + F1 to open up the graphical log in screen and typed in sudo apt-get remove lightdm which worked but when I type sudo ...
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2answers
90 views

How can I change the Kubuntu background from default?

Can SOMEONE please tell me how to change the default background in Kubuntu 12.04? I have managed to select a rather nice wallpaper for my desktop, but I CANNOT change the background for the splash ...
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1answer
33 views

Unable to login through LightDM

After executing the following script (I removed all occurrences of tmp, mind you. Or at least I thought I did) and rebooting the system, I'm no longer able to log in through the display manager. ...
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1answer
37 views

How to Access Ubuntu files, while running from live cd

I write this Code greeter-show-manual-login=true in my Ubuntu etc/lightDM.conf, but when I restart my System ubuntu can't load it! Now I access this file with live cd, but when I open it and delete ...