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

learn more… | top users | synonyms

2
votes
2answers
5k views

Unity greeter does not display custom wallpaper

I am using Ubuntu 14.04 LTS 64 bit . I know this question has popped up many times but I want to make it very clear that none of the posts helped me a bit. my Problem: I am unable to get my custom ...
0
votes
0answers
72 views

How to increase or decrease brightness in the login screen when running within Virtualbox?

I can't able to increase or decrease screen brightness on the login screen. Is that possible to change brightness on login screen?
1
vote
0answers
179 views

14.04_x64 / Nvidia GT 240 , HUGE font notificaton at greeter and in naulitus after log-in

I've been using 12.04 for a long time - excellent version indeed, I decided to try 14.04 today. Installing without any problems. My VGA is Nvidia GT240 (legacy one), Nouveau display driver is fine, ...
0
votes
0answers
191 views

Problem to set the LightDM wallpaper in Ubuntu 14.04?

I used Ubuntu Tweak to change the login screen background, but it didnt work for my user. My Ubuntu has 2 users. To my user (admin) it shows the correct image (that had set in Ubuntu Tweak) for less ...
0
votes
1answer
290 views

Can't switch between lightdm and gdm

I installed Ubuntu Studio 13.10 from a minimal CD, and then upgraded to 14.04. But since the cd install, I have been trying to change from gdm to lightdm. I have tried sudo dpkg-reconfigure gdm, sudo ...
2
votes
1answer
1k views

How to disable shutdown/reboot from lightdm in 14.04?

In 12.04 it was possible to prevent system shutdown or reboot from the login screen by adding the following restrictions in /etc/polkit-1/localauthority/50-local.d (adapted from here): [Disable ...
0
votes
0answers
158 views

Can't start lightdm anymore since I installed DBus

I am looking to read a SATA port in Java, and saw I could do so installing DBus, so I downloaded DBus from here http://www.linuxfromscratch.org/blfs/view/svn/general/dbus.html and installed it (only ...
0
votes
1answer
2k views

No desktop appears after loged in using XDMCP

I just installed a test machine with Ubuntu LTS 14.04 and I went to configure the XDMCP access and found that the file /etc/lightdm/lightdm.conf is not there anymore. In Google I found that now it is ...
0
votes
1answer
276 views

Ubuntu 14.04 destop doesn't work

After I updated my Ubuntu 13.10 to 14.04, I can't start the desktop anymore. Booting seems fine, but the log in screen doesn’t fill the whole window. After login, I get a dead screen, with only the ...
0
votes
0answers
49 views

Xorg errors with alt. window manager

I'm currently trying to use the bspwm window manager, by following this guide. I have all the correct dependencies installed, and I compiled it correctly without any errors. The problem comes when ...
2
votes
1answer
1k views

LightDM is missing Gnome Shell icon

the Icon of Gnome shell is missing from lightDM.. I had to manually add Gnome Shell to lightDM because it didn't install properly on my machine. now I don't now how to add the Icon to lightDM. Im on ...
12
votes
3answers
22k views

How to configure lightdm to allow manual logins in Ubuntu 14.04

I used to modify /etc/lightdm/lightdm.conf, adding the line greeter-show-manual-login=true, in order to allow login for hidden users and root. Now I've just installed the new Ubuntu 14.04 and the ...
0
votes
0answers
220 views

Ubuntu 14.04 user restarting lightdm

Today, I started my computer, and when I type the password lightdm starts again instead of logging in. The same happened with gdm. Now I'm typing from computer's Guest Account.
0
votes
2answers
602 views

black screen / low graphics mode on logout

If log out from session, get black screen and the "low graphics mode" dialog, sometimes with cursor, sometimes without. 14.04 with latest fglrx. Dual head Pavillion dv6-6051er. ONLY when log out. ...
1
vote
3answers
2k views

How Do you set up numlockx at startup in ubuntu 14.04

In ubuntu 13.10 in order to install numlockx you had to run: sudo apt-get install numlockx After you install numlockx you had to run: gksudo gedit /etc/lightdm/lightdm.conf At the end of this file you ...
4
votes
1answer
281 views

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?
5
votes
5answers
13k 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 ...
0
votes
0answers
137 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 ...
0
votes
1answer
30 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 ...
0
votes
1answer
59 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? ...
0
votes
1answer
261 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 ...
0
votes
0answers
28 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 ...
1
vote
2answers
134 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 ...
2
votes
0answers
83 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 ...
0
votes
0answers
14 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 ...
0
votes
3answers
138 views

Why do desktop / monitor screens fail after staying logged in overnight?

I am currently running Ubuntu 13.10. I experienced this same issue with Ubuntu 12.04, so I dont believe the following issue is tied to a specific release. I am using Ubuntu for work, by choice. Id ...
9
votes
1answer
5k views

Why don't my lightdm.conf edits affect my 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 ...
0
votes
1answer
109 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 ...
4
votes
1answer
167 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, especially for pam. I am using libpam-fprintd to allow using my fingerprint reader when ...
2
votes
1answer
23 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 ...
3
votes
1answer
419 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 ...
0
votes
0answers
47 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 ...
0
votes
1answer
45 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 ...
1
vote
0answers
388 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 ...
2
votes
2answers
212 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 ...
0
votes
0answers
181 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 ...
0
votes
0answers
50 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 ...
0
votes
1answer
251 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 ...
0
votes
0answers
17 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 ...
1
vote
1answer
208 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 ...
1
vote
0answers
133 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 ...
0
votes
0answers
155 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 ...
2
votes
3answers
529 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 ...
1
vote
0answers
102 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
votes
0answers
54 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
votes
1answer
232 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 ...
5
votes
1answer
1k 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 ...
1
vote
0answers
56 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 ...
1
vote
0answers
172 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 ...
0
votes
0answers
118 views

How to install Ubuntu Mate and ligthdm

I have a fresh installation of ubuntu server 32bit on my Virtualbox environment and I would like to install Mate with lightdm. I did the following process: Add the deb ...