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

learn more… | top users | synonyms

0
votes
0answers
88 views

Stuck in TTY, lightdm error?

Im running Ubuntu 12.04 on virtualbox. I just updated to the latest version of virtual box, reinstalled any new guest additions, and all hell broke loose. Fist Ubuntu would restart in what I later ...
2
votes
2answers
222 views

How do I restore Boot GUI and Login of Ubuntu 13.10 to the original?

Okay, so I installed a few extra desktop environments, one of which was the Xubuntu pack, and it replaced my login screen and Boot GUI as mentioned. I made the mistake of trying to purge Lightdm and ...
0
votes
2answers
189 views

Log Out problem after upgrading from 13.04 to 13.10

After I've upgraded from Ubuntu 13.04 to 13.10, I can no longer use the Session Indicator "Log Out..." menu. As soon as I click on it, the screen goes blank with no mouse or keyboard input, so I ...
2
votes
0answers
103 views

Login to black screen with cursor

Sometimes, after login, it goes to a black screen without any hard disk activity while mouse cursor works. I login to the terminal by pressing Ctrl + Alt + F4 and restart the X server using this ...
1
vote
0answers
54 views

How to make lightdm use tty6 instead of tty1?

I am using Ubuntu Desktop 13.10 amd64 for iMac. When the system boots up, lightdm loads gnome and hence occupies the first virtual terminal (tty1). This is the default behavior after installation. ...
3
votes
2answers
9k views

mei_me unexpected reset

Yesterday I experienced some troubles with my ubuntu installation. After reset, my system didn't start lightDM, all I saw was a black screen. I then logged in via ctrl + alt + F1 to terminal and saw ...
0
votes
1answer
164 views

Login screen not appearing after removing KDE [duplicate]

I've been using Ubuntu 13.10 for about a month now. I decided to give KDE a test run. Unfortunately, it installed the KDE login screen with it. I couldn't stand it, so I spent about half an hour ...
2
votes
0answers
187 views

.xinitrc not sourced in 13.10

I am using gnome / lightdm / ubuntu 13.10. I have some customisations I want to do in ~/.xinitrc, but it seems this file is not being sourced at startup. I've tried also with .xsessionrc and ...
0
votes
0answers
77 views

KDE Display Manager

I have install kde plasma desktop then the kde display manager (kdm) appeared? I want to restore LightDM I have tried sudo dpkg-reconfigure kdm but without any benefit. Thanks
2
votes
0answers
67 views

Login fails although the password is correct [duplicate]

I am using Ubuntu 12.04 32-bit. I enter my password at the default login screen and it seems to do something, but then it returns back to the same login screen and asks for the password again. Not ...
0
votes
0answers
503 views

Change XRDP Default Desktop to Lightdm

I read this post about changing xrdp defaults environment but how can I get lightdm to be default xrdp shell? I got that shell as default when I log in locally but when I log in using xrdp it log to ...
1
vote
1answer
819 views

How to add a session type button to lightdm-webkit-greeter theme?

I'm experimenting with the webkit greeter for lightdm. Ubuntu 13.10 64 bits. I want to learn to create my own themes. I noticed that the default theme does not show a language select button or a ...
2
votes
0answers
888 views

Multiple users over VNC - lightdm

I'm a student and I have access to a pretty powerful machine in the University lab. I've been trying to allow my roommates to remotely login to my machine on an account that I've created so that they ...
0
votes
1answer
254 views

Add existing user to Unity

Short story How can set Unity as desktop environment for an user created with Shell? Long story On a VM running Ubuntu 12.04 configured as LAMP, I need to use the desktop environment Unity for the ...
1
vote
0answers
40 views

Does “Switch Account” in Ubuntu 13.04 logs out the first account upon switching?

I have 2 accounts set up on my laptop running 13.04. When I click the gear icon and select lock/switch account and log into the second account, upon returning the the first account I noticed that I ...
2
votes
3answers
3k views

Can't login in from LightDM

But just LightDM. It worked this morning, just does not seem to be working this evening. This seems to occurred after a shutdown after a wakeup from hibernation. I always get a password denied sort of ...
28
votes
1answer
4k views

What is the relationship between Unity, Gnome, Gnome 3, Compiz, Metacity, and LightDM?

I am learning about Graphical User Interfaces in Ubuntu and constantly come across different terms, which cause a lot of confusion for me. I have tried reading easy-to-understand tutorials about the ...
1
vote
1answer
2k views

Stuck at boot screen 12.04

I tried to install a lightdm greeter theme but after dissapointing results I chose to try gdm instead, which prety much reconfigured my desktop theme, so I chose to remove them both. Since the last ...
4
votes
1answer
3k views

How do I install fglrx on an AMD Kaveri machine?

I have recently built a Kaveri machine, but I'm having trouble getting the fglrx drivers up and running. I can install them, but the LightDM screen will simply be black. The machine has an AMD ...
1
vote
1answer
446 views

My Account not visible in User Accounts

I am currently set to automatically log into this machine and I would like to change that. However, when I go to User Accounts, I am no longer listed. lightdm/users.conf file is as such: ...
8
votes
5answers
3k views

rotated monitor. login screen needs rotation

I rotated my screen, an once I login, it works fine. but, the greeter (login) screen hasn't got the message that things are rotated 90 degrees. How can i change the rotation of the login screen? ...
1
vote
2answers
3k views

Which command locks screen with lightDM?

I used to lock screen with this command, but it stopped working recently, probably after update. I'm running VERSION="13.10, Saucy Salamander". How can I restore this function? $ gdmflexiserver ...
1
vote
2answers
94 views

unable to manual login after upgrading Ubuntu

I have upgraded my Ubuntu from 13.04 to 13.10. And now after the system restart; there are only two options appears on screen as guest session and remote login. How can I get back the manual login ...
0
votes
1answer
756 views

ubuntu 12.04 graphic error on boot after update from 10.04

After an update to ubuntu 12.04 from 10.04, I have a strange problem: in grub menu if I select ubuntu kernel 3.2.0-58-generic the graphical interface just hangs there, I get this black screen with a ...
1
vote
0answers
333 views

Logging out from Ubuntu takes too long

When I first had only Unity as a desktop manager, I didn't need to log out so I'm not sure if this issue has been around before. I'm say so because It's important to know that I currently have Xfce ...
1
vote
1answer
369 views

Can not login to Ubuntu 13.10 after reboot

For some reason on my System76 Bonobo, after a reboot, i try to login and I get a blinking cursor in the top left for a few seconds, than right back to the login screen. It SEEMS like lightdm crashes. ...
0
votes
1answer
88 views

How to start X without logging in console?

My filesystem is based on Ubuntu server and I installed xorg and openbox on it. I've made it auto-login and auto startx, but when boot and shutdown, I can always see the root@arm:# or something ...
0
votes
2answers
125 views

No unity after login to main user account [duplicate]

Yesterday my computer stayed open all night and then when battery was empty it turned off. Its normal for my computer. But when at morning I turned it on, there wasn't login screen. It crashed ...
0
votes
1answer
115 views

Login to command line [duplicate]

It's possible to perform a login ( with lightdm or anything else ) and enter directly in command line mode without enabling any GUI for the user ?
1
vote
1answer
3k views

lightdm is not starting

I get a blank screen on boot :( $ sudo tail /var/log/lightdm/lightdm.log [+0.02s] DEBUG: Using D-Bus name org.freedesktop.DisplayManager [+0.02s] DEBUG: Registered seat module xlocal [+0.02s] DEBUG: ...
1
vote
1answer
92 views

All display managers boot into Gnome Classic (No effects)

I've tried both gdm and lightgdm but no matter what I do, I get logged in to Gnome Classic (No Effects). The terminal's transparency is a nuisance here and I completely do not want to work on anything ...
9
votes
2answers
2k views

How to control LightDM power saving preferences?

I want lightdm to enter power save after a specific period of time. If I'm logged in then my screen will time out as per the user settings, however when no one is logged in the screen will stay on ...
1
vote
0answers
118 views

Service account shows up on login screen

I've manually created a service user account on my machine, and I'm surprised to see it on the Unity login screen. I searched this site and I've seen people had problems with this, but in those cases, ...
1
vote
1answer
333 views

How do I fix Unity from freezing and artifacts on my screen when I'm charging my laptop?

I woke up this morning to find my computer frozen and my graphics were not rendering correctly either. I had to press Ctrl + Alt + F1 to regain control of the system. At first I thought it was my ...
1
vote
2answers
260 views

Forgot to install login screen after removing unity and installing kubuntu-desktop

First I must admit that I did something really stupid. I de-installed unity from my ubuntu 12.04 LTS to install kubuntu-desktop as I wanted to try out a different desktop environment. The problem is ...
1
vote
1answer
69 views

Problem with starting GUI mode in Ubuntu Server

Well I have installed the Server version of Ubuntu 12.04. Since I was only getting terminal, I installed the desktop package and executed these commands in the following order: sudo apt-get install ...
0
votes
1answer
253 views

Xubuntu crashes before login screen

Xubuntu 13.10 Booted up this morning and Xubuntu does not get to the login screen. I am seeing the white half circle spinning and then it drops to a black screen. I can however start tty1-6 but ...
0
votes
1answer
390 views

Ubuntu 12.04, 13.04: Cannot login to account returns to login screen [duplicate]

Question In Ubuntu 12.04 and 13.04 (and probably 13.10) I made some changes to my graphics settings. After rebooting when I attempt to login to my account the screen flashes black the bounces me back ...
1
vote
4answers
2k views

Unity-greeter black screen on 13.10

I've recently installed ubuntu 13.10 64bit on a desktop (UEFI mode). After the plymouth splash i get a black screen. After some experiments I found a temporary solution: switch back to tty1 and ...
1
vote
1answer
47 views

Why can't i log in on Unity? [duplicate]

I'm using Ubuntu 13.04 with Unity. Whenever I log in into my computer, the screen becomes black, then purple (that dark ubuntu-color) and that switches a few times. Between that the screen shortly ...
0
votes
1answer
343 views

Reboot and shutdown from MATE

When I start MATE 1.6.0 from LightDM in Ubuntu 13.10, I can't reboot or shut down the system or shut it down because the buttons to do that don't appear. The only thing I can do is terminate the ...
0
votes
1answer
990 views

teamviewerd not starting with lightdm on 13.10

I've installed the upstart-job for Teamviewer 9. According to the config it should start when dbus and lightdm is running, see: start on ( (started dbus or ...
2
votes
2answers
1k views

How to return the login screen of the original unity ubuntu?

I've installed the LightDM GTK+ Greeter 1.7.0 as below sudo add-apt-repository ppa:lightdm-gtk-greeter-team/stable sudo apt-get update sudo apt-get install lightdm-gtk-greeter ...
2
votes
2answers
1k views

Default login screen missing, how to revert?

I installed some KDE stuff by mistake. After removing it, my login screen now is quite different; has a white background and the user icons+input appear in the centre. [note that I have tried sudo ...
2
votes
1answer
393 views

Ubuntu 12.04 boots to login screen but (I think) X.org crashes on login. Help Appreciated! [duplicate]

I've been running Ubuntu 12.04 since it's debut in 2012 without a single problem. Today I just ran sudo apt-key update && sudo apt-get update and then I rebooted my computer. After rebooting ...
0
votes
1answer
2k views

lightdm and startx fail to start graphics mode; traces of Nvidia driver are involved

My Ubuntu 12.04 system boots to a text mode login prompt (virtual console #1) since I upgraded the kernel (using Ubuntu's automatic upgrade system). I was using an Nvidia driver that worked well until ...
2
votes
3answers
2k views

How to run greeter/login script with lightdm

Is there a workaround to run a lightdm script? The one in the docs doesn't work. Anything placed there will prevent X from working. The script I would like to use is my KVM utility synergy. I ...
1
vote
0answers
282 views

Can't start gnome-flashback or unity using Xvnc + XDMCP

I configured my Ubuntu 13.10 using this article on IBM's website. Now I can connect to LightDM, select user and enter password, but DE doesn't start. I can see the logged-in user using who command. ...
0
votes
1answer
134 views

How to enable unity-greeter in Ubuntu 12.04?

If you want a different session for the default, you can modify this option. Manually add the following line in the [SeatDefaults] section of (sudo gedit) /etc/lightdm/lightdm.conf: [SeatDefaults] ...
2
votes
1answer
468 views

Another black screen after Nvidia driver installing

I'm quite new on Ubuntu, and this is my firt post here on the forum, even if I read it a lot. I've installed the lastest Nvidia driver for my Graphic Card (a .run file), I've followed Nvidia ...