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

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How to enable Lubuntu lightdm dinamic autologin (sorry for my english)

Hi I freshly installed Lubuntu 14.04 I disabled lightdm autostarting by editing /etc/default/grub Well.. I got some problems "sudo service lightdm start" is working but startx command always ...
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17 views

Microsoft LifeCam HD-3000 slows down login

As long as my Microsoft LifeCam HD-3000 is plugged in my machine freezes for about 30 seconds as soon as the login manager comes and another time right after I put in my password. This is seriously ...
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1answer
35 views

Impossible to start Ubuntu after installing lxde

i just tried installing lxde on my Ubuntu 14.04. I wanted to try working with two different screen at the same time. So to do that typed CTRL+ALT+F2 to go in another terminal and then i typed the ...
6
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1answer
438 views

How to make ubuntu 14.04 a kiosk [duplicate]

I have made a clean install of Ubuntu 14.04 LTS Desktop and now want's to convert it into a kiosk with a full screen webbrowser. This was previously done in 10.04 and worked perfect, but due to ...
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34 views

Can't set unity-greeter background on 12.04.1

I used Ubuntu Tweak to customize the login screen. Changed the background settings, so it used desktop wallpaper as login screen background. It worked at first but then I selected a custom wallpaper ...
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1answer
48 views

Unable to login into any account

How it happened My computer was becoming very unresponsive and I could not close any applications to free memory so I held the power button until the computer turned off. When I turned it on ...
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62 views

Disable laptop display before login

I am looking for a way to disable my laptop's built in display before (or right at) the login screen on Ubuntu 14.04. I have a second monitor, and want to only use that. I already have changed the ...
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1answer
153 views

KDE 4.13.2 update breaks login from LightDM on Kubuntu 14.04

One of the KDE updates that rolled out in the last couple of days broke my ability to log in to KDE from lightdm using the lightdm-kde-greeter. At the lightdm prompt, I enter my login credentials, the ...
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1answer
133 views

Lightdm issue after installing xmonad, Ubuntu 14.04

Yesterday I decided to install and try Xmonad on my laptop running a fairly fresh install of 14.04. After running an Xmonad session i decided to try the Gnome-xmonad (or something similar) option. All ...
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1answer
50 views

Fluxbox Lightdm nautilus

I recently started using fluxbox, I'm using Lightdm as a desktop manager and was using gnome/unity before fluxbox. I'm facing a few troubles while trying to adapt to this new window manager, the ...
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55 views

unity-greeter login background won't change according to the user that is highlighted

I use Ubuntu 12.04. Recently, I change to use another Accounts Service which could remove certain users from the graphic login screen of unity-greeter. I downloaded source code from a branch of ...
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114 views

Stuck at Ubuntu login screen

When I try to log in to my account the screen turns black for a second then goes back to the login screen. Apparently this is a fairly common problem but nothing I've tried from past questions on this ...
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1answer
90 views

Is there a way to disable portrait/login picture display in the Xubuntu login?

I recently upgraded a machine from XUbuntu 12.10 and now the login screen has a blank silhouette that looks like the Facebook empty profile picture. How do I disable this and get back to just username ...
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74 views

14.04 Unity not working after reboot

Earlier today I finished an apt-get upgrade and my machine reported that it needed to be rebooted. So I shut everything down and rebooted the box. The shutdown didn't go as smoothly as I would like ...
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2answers
380 views

Login Screen Stuck as Desktop Background After Sign On

The wallpaper of my desktop doesn't appear and instead only the wallpaper of my login screen appears in my desktop. Also though the launcher, panel everything appears(as shown in the screen shot) they ...
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99 views

Autologin questions

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 ...
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94 views

Ubuntu 14.04 - After doing something to the grub config and reverting it, I cannot log in

I wanted Ubuntu to boot into text mode instead of grapical mode, so I followed a tutorial and went ahead with editing /etc/default/grub so that GRUB_CMDLINE_LINUX_DEFAULT="text" instead of ...
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16 views

Unity unable to login (can login with xubuntu) [duplicate]

Any and all help would be appreciated... Ok so. My laptop is Ubuntu 14.04, and the other day I restarted it and then was no longer able to login. So what happens? I attempt to login (lightdm) and ...
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1answer
652 views

Laptop using 14.04 won't get past login GUI

My laptop was working perfectly yesterday, and now today I can't log in. At first, I was only getting a black screen. However, after following instructions in some questions here on AskUbuntu, I ...
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54 views

Change unity for gnome-fallback

I am trying to set up a couple of computers with Ubuntu 14.04. When we had the computers running 12.04 we were able to get users to log in with gnome-session-fallback as a default. However, I am ...
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1answer
75 views

Lightdm does not start automatically

When booting Lubuntu 14.04, a terminal screen is shown instead of the usual graphical log-in screen. Then, I have to type sudo lightdm and use Ctrl+Alt+F7 to switch to the graphical log-in screen. I ...
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1answer
323 views

MATE not showing up after install

I just used Synaptic to install MATE Desktop Environment on my Ubuntu 14.04 computer. It installed successfully, but after rebooting, it's not showing up on the login screen. My only options are to ...
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2answers
153 views

Opencl application does not recognize GPU till user physically ( and not remote) logs in to machine

I run some opencl applications on 2x AMD Radeon HD 7870 on a machine running Ubuntu 13.10. I power the machine on and lightdm has the login prompt. Since I cannot physically be present to login to ...
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1answer
79 views

Kubuntu + kdm blank desktop

I recently did a sudo apt-get install kubuntu-desktop. Reboot loaded a kubuntu splash screen, then loaded the unity desktop. I read you needed kdm to handle the log in screen, so I did sudo apt-get ...
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338 views

Ubuntu 14.04 - No Unity in user account, but in guest account

Yesterday I switched back from Linux Mint to Ubuntu 14.04 and after installation I faced the following problem: When I login with my user account Unity isn't loading. I can see no desktop elements - ...
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406 views

Cannot login to Ubuntu 14.04 returns to the login screen

I updated to 14.04 from 12.04.03. I was using cinammon at that time. When I upgraded to 14.04 ,I got a serious problem. I was unable to login, as whenever I hit enter after entering password, it is ...
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109 views

lightdm crashes for domain users in ubuntu 14.04

Can someone please help. I am using ubunto 14.04. I have installed power broker (likewise open). It allows login for domain users from shell prompt. But when I try to login from login page. It throws ...
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36 views

Booting briefly shows CLI login and then black

When I boot to Ubuntu on my dualboot system, it appears to boot normally, up to the point when I would normally expect to see the lightDM graphical login screen. However, I see a CLI login screen, ...
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552 views

Ubuntu 14.04 stalling with black screen w/ white cursor [closed]

The system will get to the Plymouth 'ubuntu' screen, load load, all dots filled, switches over to LightDM, but wait! No LightDM. :I Just a blank screen with that white cursor. Can't switch out to ...
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2answers
330 views

How to change the default Desktop environment (That appears in the greeter) in 14.04

Previously I navigated to /etc/lightdm/lightdm.conf and changed user-session=ubuntu. lightdm.conf doesn't exist in Ubuntu 14.04 at that location, so how do I change user-session=ubuntu to something ...
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33 views

Is it possible to login into lightdm interactive screen remotely?

I have this big Ubuntu desktop that dubs also as a home cinema PC. When I feel lazy, I'd love to be able to run the PC remotely and watch movies from my bed. I can turn it on via WoL. I can launch ...
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52 views

Prevent light-locker from setting volume to 100%

I'm on 14.04 with XFCE. When I lock the screen it appears to mute the system volume (or perhaps just mute anything from the locked session?). When I log back in the volume is reset to 100%. This ...
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1k views

Unable to reinstall unity-2d on Ubuntu 14.04 desktop LTS?

It is wiered that I'm not able to reinstall unity-2d on my system. I removed it as it was not ready to go into the 2D mode. I have XRDP install for which I need Unity-2D. after removing the unity-2d ...
2
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1answer
160 views

/usr/bin/X eating all the CPU [closed]

I have Ubuntu 12.10 system and it works slow. For checking I ran Htop command and found out that /usr/bin/X -nocursor :0 -core -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -n eating all the ...
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1answer
81 views

I've broken lightdm

I've installed xubuntu-desktop metapackapge on my system and afted this action unity-greeter has gone away. Ive purged lightdm twisely, then installed lightdm and unity-greeter. But still no result. ...
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40 views

Ubuntu 12.04 boot problem (headless)

So I set up an ubuntu box I have to run headless some time ago - using it as a media server for plex and other things. I'm able to use X to remote desktop into the machine without a problem. ...
2
votes
2answers
1k views

GDM and Lightdm don't work after update; KDM is ok

After updating Ubuntu (apt-get update, apt-get upgrade and apt-get dist-upgrade) last Tuesday, GDM stopped working, and the startup hangs on the Ubuntu logo. Lightdm also don't work (same happens). If ...
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30 views

Error after adding entry to ligthdm.conf

After giving entry greeter-show-manual-login=true in lightdm.conf file it gives an error after reboot that system running in low graphics Again if I remove the above entry the system boots normally ...
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27 views

NVidia screen config

How do I restore the display config to the one I got during installation? I'm running Ubuntu 14.04 with dual nvidia gtx 570 connected to two screens. When I installed ubuntu at first I ran 13.10 ...
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588 views

LightDM Customisation KDE or Unity Greeter in Xubuntu 14.04

my favorite Distro is Xubuntu, only the GTK greeter let my eyes bleeding (i know, its lightweight and simple). So i check these hints: ...
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2answers
70 views

Missing mouse after switching account

I have an old Acer Aspire 6920G with Ubuntu 14.04 and lightdm installed keeping the existing /home partition and two working users. When I switch from a user to the other I miss the mouse on the ...
0
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1answer
67 views

email body empty when I use “echo” in mutt commandline mode with root account

I have use mutt to send mails. It works fine when I use my own user account: e.g. echo "foo bar" | mutt mymail@mymail.com However, when I put the above command in /etc/lightdm/lightdm.conf (I want ...
2
votes
1answer
218 views

Only a purple background displayed during the login screen. No wallpaper

I get only a purple screen for the background during login. Not even the default warty background. Its been like that since I installed Ubuntu. Ever since I came to know about the background of the ...
0
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1answer
93 views

How can I restore my Unity after removing KDE?

Eliah Kagan's answer to how to remove KDE here (How to remove all traces of KDE installed) is a great first step in removing KDE from a Ubunutu, but I still have remnants of KDE that were not removed ...
2
votes
1answer
38 views

How to run scripts as user (not as root) in lightdm?

I want to run some scripts before login every time my PC is started. I add the scripts in as greeter-setup-script in lightdm.conf. However, all the scripts are running as root! I want to use normal ...
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124 views

Problem When Switching to kdm Ubuntu 14.04

Successfully installed ubuntu 14.04 lts on my lenovo yoga 2 pro, was pretty happy with it, i wanted to check out KDE, (i'm a noob and this is my first time ever trying to install a display manager) ...
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74 views

Lightdm Remote Login disappeared (Ubuntu 14.04)

after some update, in the login screen, the option for the remote login disappeared. What should I do to restore the option?
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2answers
106 views

Can't login after killing X Server with encrypted home directory

I have ctrl-alt-backspace enabled to terminate Xorg in an xorg.conf.d file: Section "InputClass" Identifier "Keyboard Defaults" MatchIsKeyboard "yes" Option ...
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61 views

What does “unknown code ovk 48” mean?

When I log in after update from 13.10 to 14.04, lightdm and gdm display unknown code ovk 48, I can log in without problems (lightdm requires that I press return after the message is displayed). ...
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1k views

Autologin Ubuntu 14.04 Desktop Session As Guest And Allow Web Browser

How can you autologin session as Guest? Bonus for if you explain how to limit the guest to only web browser functionality? (and save no changes) I see the thread here (How to enable guest account ...