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

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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 ...
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14 views

Blackscreen after upgrading to 13.10 from 13.04 [duplicate]

I have a black screen issue on boot after upgrading from 13.04 to 13.10 without nomodeset kernel option. I am using Intel HD4000 gfx and I have installed intel gfx driver. With nomodeset kernel ...
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43 views

Wierd Noise at Greeter

Using ubuntu 13.10. At every startup, immediately after I log in on the greeter, I hear a strange very short "glitching" sound. I am quite lost here, and this is the only thing that might somehow be ...
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0answers
363 views

Nvidia 331.20 X server not starting in lightdm

Before installing the new Nvidia 331.20 drivers on my Ubuntu 12.04 32bit I decided to update the kernel to 3.12.6 then I start to run the Nvidia update script. So I switched to terminal mode turned ...
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2answers
439 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 ...
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1answer
559 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 ...
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0answers
40 views

Desk top background different than screen lock image [12.04.3 from 10.10]

Upgrading from 10.10 to 12.04.3 is quite a jump. So far so good with a simple question. In 10.10 my desktop background and my lock screen were not equal. If I remember correctly the password lock ...
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107 views

Ubuntu 13.10 freeze when switching user

I've the following users on my Ubuntu 13.10 machine : Admin account Standard account (created by me) Guest account When I switch from Admin to Standard account (or from Standard to Admin), ...
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1answer
286 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 ...
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1answer
1k 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 ...
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3answers
1k 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 ...
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198 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. ...
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1answer
73 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] ...
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1answer
324 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 ...
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1answer
55 views

Login credentials stored somewhere?

What happens to login credentials after I authenticate with lightdm? Is there are process that stores them? Would this be something that PAM caches somewhere? Would lightdm hang on to them? The ...
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0answers
48 views

Why my monitor never shuts down when on the logging screen (ubuntu 13.10)?

Why my monitor never shuts down when on the logging screen (ubuntu 13.10)? This problem arrived after the 13.04 to 13.10 upgrade. Since then,I did a fresh install of Ubuntu 13.10 and the problem is ...
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0answers
542 views

I can't login after install fglrx 13.10

I installed fglrx following the instructions on help.ubuntu.com and am entirely unable to login, I get the login screen, enter my password and get a blinking terminal screen then logged out/sent back ...
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55 views

Login errors in .bashrc in 13.04

I just upgraded to 13.04, and suddenly I get xsession errors in my .bashrc on login. There is nothing wrong with the .bashrc file--I can source it from a terminal login, and after I get into the ...
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1answer
333 views

Ubuntu vnc4server no working session only terminal

So I've trid to get xrdp working on Ubutnu Server 13.10 which meant a lot of messing around with lightdm and gdm. So after giving up on xrdp i switched to vnc. I installed vnc4server purged lightdm(as ...
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1answer
345 views

Edit the Unity-Greeter theme

I am trying to get rid of some of the indicator icons on the Lightdm login screen (or maybe just get rid of everything). No luck so far. The file I am editing is @ ...
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1answer
643 views

Can't use startx with lxde?

I use Lubuntu 13.10 and start default with "text". When i need to use GUI, startx didn't work, but "service lightdm start" is worked. How to use startx with LXDE? Thank You!
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1answer
182 views

black screen on booting

I've been working with Ubuntu on my lenovo for awhile. after heavy using I started to face the black screen when I reboot. Cursor at the top left blinking with the sound of rebooting. I still see the ...
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2answers
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Type password into login screen, hit enter - nothing happens

I first install Ubuntu 13.10 a few weeks ago and its been going great. I'm still pretty new to Linux, so I haven't been doing a whole lot. The past couple days I've tried installing LAMP, then ...
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0answers
54 views

Where to call xrandr before xmonad is running?

I'm currently using the default 12.04 precise login screen, and I'm using xmonad as my window manager. I'm trying to determine a good place to put an xrandr call before xmonad is loaded, otherwise ...
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4answers
2k views

How to uninstall lightdm?

I removed Unity from my computer. But still lightdm is showing when I typed sudo dpkg-reconfigure lightdm. I want to remove it. What can I do?
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1answer
441 views

How to reconfigure lightdm? [duplicate]

Last night I installed KDE. But then however my Desktop manager changed into KDM. How can I go back to my default Desktop manager lightdm??
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1answer
269 views

Cinnamon won't run on *Ubuntu 13.10

I tried to install cinnamon on my Kubuntu 13.10, just upgraded from 13.04 without problems. There is this ppa: ppa:gwendal-lebihan-dev/cinnamon-stable Also tried to use the non-ppa-versions (those ...
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1answer
881 views

NoMachine NX Client V4 and Lightdm

I am trying to connect from an Ubuntu 13.10 laptop with Nomachine nx V4 to an Ubuntu 12.04 system with Nomachine nx V3.5 I can successfully connect to the machine, but if I try to connect to the ...
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169 views

After changes plymouth theme ubuntu dont boot

After I changed plymouth theme i cant boot up my pc. plymout show but after few second screen go off. I tried pres CTRL + ALT + 1 and CTRL + ALT + 7 but after that screen turn on but i can see only ...
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2answers
50 views

How to prevent login directly to my defaul desktop?

I installed lxde on my OS. But when I start up my os it doesn't take me to the login screen it just boots to the default DE right away. How do I make it so that I can boot into LXDE right away? Or how ...
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0answers
54 views

How to make pcmanfm foremost window on launch?

Often when pcmanfm is launched instead of being placed as the foremost window on the desktop, it is placed in the gnome-panel and does not get placed as the foremost window. Ie it is started in the ...
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194 views

How do I fix corrupt background in LightDM?

After a fresh installation of Lubuntu 13.10 the default background image is distorted (the provided image shows a part of it). All GUI elements are displayed correctly. If I then select a different ...
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18 views

How to migrate gdm font setup?

I have purged gdm and switched to lightdm. This changed how my fonts look in X applications. Unfortunately, they did not get prettier. How can I have the same fonts in both or migrate settings from ...
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0answers
82 views

LightDM without monitor connected

I want to use my Ubuntu 12.04.03 LTS on a computer where normaly I have no monitor connected (I will use TeamViewer to connect to it from time to time) and I have the following problem: if I start the ...
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3answers
5k views

No screens found with usable configuration (Live-CD), boot-repair CLI

I have an MSi GE70 Laptop (Graphics: nvidia GeForce GT650M). At first I couldn't boot nor install. After adding 'nomodeset' in Grub I was able to start the installation. `Try Ubuntu`` just gave me a ...
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0answers
83 views

Built-in monitor turned off after connected to projector

My laptop built-in monitor always turned off when connected to secondary screen using VGA cable, and it wont turn on again after the cable unplugged. However the problem persist only when I'm logged ...
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0answers
31 views

set apod as lightdm background

Is there any way I could set the lightDM background as the astronomy picture of the day? I assume that this could be done using bash script but it would be nice to see a variety of methods.
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1answer
65 views

Assigning sounds on startup and shutdown

As every time i boot into ubuntu it makes sound, i want to assign a custom sound on startup as well as on log off and shutdown. Is it possible??
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0answers
752 views

How to change Login-Screen Background on 13.10 [duplicate]

I tried it with gsettings and was able to deactivate the grid and disable the user backgrounds. But changing the background didn't work, now there's no background shown. The background-picture is in ...
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0answers
72 views

Unity Does Not Work after reinstall

I started out with Ubuntu 12.04 LTS. Then, I installed kde (by using sudo apt-get install plasma-desktop), removed unity (by using sudo apt-get remove unity unity-2d unity-2d-shell compiz), installed ...
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30 views

Add entry to login user menu to directly execute command

I want to add an entry to my login menu to execute and run a program with whatever parameter I specify. I'm vaguely aware it is possible, but not quite sure how. As a side note, I want to ...
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0answers
86 views

LightDM: Hide all usernames

I have tried the solutions pointed here, here and here without success. These solutions were for systems previous to Ubuntu 13.10. I am using Kubuntu 13.10. Also, I have checked the log for some ...
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1answer
2k views

lightdm/unity-greeter wallpaper will not set

I am trying to set the wallpaper on my login screen, but i cant seem to get anything to stick. I have used gsettings set com.canonical.unity-greeter background '/path/to/pic.jpg' as user 'lightdm'. ...
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1answer
660 views

Login Screen on 13.10 keeps looping back to login (XOrg/NVIDIA problem?)

Upgraded from 12.04 to 13.10. Seemed to go OK, but when rebooted the login screen was very low resolution with trailing mouse, so purged the Nvidia drivers, then reinstalled via PPA as in ...
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1answer
806 views

Only Guest session can be started

While Ubuntu is starting, the following messages are shown and stays shown for long time: * Starting LightDM Display Manager [OK] * Stopping Send an event to ...
3
votes
1answer
1k views

How to get the right DPI resolution on Ubuntu 13.04 Saucy?

The physical DPI of my laptop screen is approximately 142 dots per inch as you can calculate from the correct output of xrandr --query: $ xrandr --query | head Screen 0: minimum 320 x 200, current ...
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1answer
91 views

Identification and Authentication methods in Ubuntu

Since I have a very long password, I would like to additionally use an alternative login method. Which other authentication methods are possible in Ubuntu to log in?
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341 views

How do I repair lightdm to login to plasma-workspace on KDE 4.11.3/Kubuntu 13.10?

After an upgrade to KDE 4.11.3, my Kubuntu 13.10 ceased to login to KDE. There would be a login loop (login, black screen, return to lightdm login). I did attempt to go over other solutions such as ...
3
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1answer
139 views

Lightdm crashes at seemingly random intervals

I installed ubuntu 12.04 LTS around a month ago, and it's a great experience. Except for one thing: Lightdm crashes at seemingly random times, on average 2 times on a normal working day. I have no ...
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1answer
1k views

How to revert back to GUI as the default interface from CLI in Ubuntu desktop?

I was able to set up a text-only UI (CLI) by editing the file /etc/default/grub in Ubuntu 12.04 as per the instructions in: How do I disable X (GUI) at boot so that the system boots in CLI mode? using ...