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

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How to hide administrator account or root in Login screen? [duplicate]

I used Ubuntu 12.04 and I want to only user account appear on the Login screen without guest and administrator account. My administrator account cannot view to everybody when their Login. "greeter-...
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0answers
111 views

How does LightDM treat PAM?

I use XFCE as my desktop, and I wanna know how LightDM works with PAM. when I use normal kernel arguments, LightDM starts and then XFCE is started by LightDM. When I add "text" to kernel parameter, ...
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1answer
147 views

VMware tools crashing with root access in Ubuntu 14.04.2

I'm trying to enable graphical root login with commands on Ubuntu 14.04.2: sudo passwd root sudo sh -c 'echo "greeter-show-manual-login=true" >> /etc/lightdm/lightdm.conf' Portions of the ...
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1answer
277 views

How to customize login screen for Ubuntu 14.04.2 LTS

is there a way to customize the login screen for Ubuntu 14.04.2 LTS. I want to move my login area of Ubuntu 14.04.2 LTS from left side to the middle. After searching in the web i came across this ...
3
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0answers
2k views

/etc/X11/Xsession & LightDM

I'm running Lubuntu 14.10. It seems that LighDM invokes /etc/X11/Xsession only if directed to so by the user. In fact there is no shadow of it in lightdm-session wrapper. startx command line (...
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1answer
145 views

log in bounce back due to missing system file

I have stupidly uninstalled some system component. And after restart I can not login, every time I typed in the corrected username and password, the login page just bounce back. I am on ubuntu 14.04 ...
2
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1answer
299 views

Is sudo killall -u lightdm safe?

I realized that my server has many processes runned by lightdm: Can i killall processes from lightdm? Is sudo killall -u lightdm safe?
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1answer
374 views

lightdm using too much of CPU resources

I am using ubuntu 12.04. The lightdm is taking too much amount CPU constantly. I have tried restarting the system many times, but no use. Please help. lightdm version : 1.2.3 Thanks Saravanan
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0answers
305 views

Unable to replicate xsessions/ubuntu.desktop in Ubuntu desktop 14.04 (with xsession-errors)

I have been loosing quite a lot of hair over this one. I am trying to get a second x-session behaving exactly as the default one provided by ubuntu.desktop. So here is what I did: copied ubuntu....
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3answers
9k views

Login Loop - unable to run unity - not Xauthority ownership but may be related to display?

All, I was trying to get VNC working, making lots of changes that I don't recall now when I discovered after a restart that I could not login to Ubuntu 14.04. I believe I authenticate ok, but get ...
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2answers
217 views

No Desktop appear after logged in using lightdm Ubuntu 14.04

Guest Logged in working fine...But When i do logging with my user account..logged in gets successful but after logged in ..nothing appears on desktop except wallpaper of ubuntu. Facing this problem ...
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1answer
276 views

google chrome tearing with integrated intel graphics, but working with optirun

Whenever I run google-chrome, I get a lot of tearing issues. These are easy to notice, for example, when scrolling on facebook. The top bar, the one with the logo and the notifications button, tears ...
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0answers
102 views

my lubuntu gui can not login by my user and guest user

I can not login in the gui, it flash and back to login gui after I input password, this is in my /var/log/lightdm/x-0-greeter.log file: ** (lightdm-gtk-greeter:2893): WARNING **: Error retrieving ...
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1answer
443 views

How to restore the Unity greeter after installing and uninstalling xfce-desktop?

After installing the xfce-desktop package, the lightdm greeter runs instead of the unity one, even after uninstalling it. I've looked in every lightdm conf file, and greeter-session is unity-greeter. ...
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0answers
57 views

User no longer appears in greeter after UID change (14.04)

I've hunted around for solutions to this but to no avail. I've changed my UID to 501 in order to access files on a drive pulled from my old Mac (HFS+). Now I can access the drive with no problems, ...
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1answer
116 views

How do I select the keyboard layout when I log into my Kubuntu 14.04 machine?

I have a laptop with a German keyboard in it, so upon installation, I thought I would set that as the default layout of the system. But most of the time, I use an external keyboard with a dvorak ...
0
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1answer
421 views

How to change my onboard keyboard theme in lightdm gtk+

I'm running Xubuntu 14.04.02 and have created a custom Onboard keyboard theme, which works fine once I'm logged in. The problem is my greeter screen, when I launch Onboard it keeps the default theme ...
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0answers
361 views

Stuck at splash screen when changing to GDM

After considering it for a while, I finally decided to install GNOME onto my Ubuntu 14.04 system to give it a play and see if I it was worth switching to Ubuntu GNOME. Everything seems to be fine (...
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1answer
766 views

Login screen design / wallpaper does not work

I am using Ubuntu 14.04 but installed xubuntu-desktop afterwards. Now the login screen is very ugly: The theme is not applied and I cannot change the background picture (only black one shown) Only ...
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0answers
1k views

How to start lxsession from command line with proper user priviliges

I'm trying to achieve two things that I can not get to work because I don't know how to correctly start an lxsession in Lubuntu 14.04.2. I boot to the command line with the following line ...
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1answer
1k views

Guest account works, but regular account does not

My System is Samsung R580 and I am having a problem logging in to Ubuntu 14.04.02 LTS. Yesterday, I ran sudo apt-get update and apt-get upgrade, and have not been able to log into my admin account ...
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1answer
84 views

How do I install ChominumOS and run it as a seperate X Session?

I'm exploring different options on how to install ChromniumOS on my desktop (x86_64) PC which is currently running Ubuntu 14.10. I tried the following methods first: Duel Booting the two, but ...
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7answers
45k views

ubuntu 14.04 login loop problem

My Ubuntu 14.04 is stuck when trying to login my desktop. The screen goes black and soon after that the login screen comes back. I followed all steps in Ubuntu gets stuck in a login loop but the ...
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1answer
71 views

Image Viewer (eog) causes lightdm to restart

When I open an image and without zooming, try to drag to any border (which is ofcourse, by mistake), eog closes and a black screen appears** that says lightdm is starting, and lands me in login screen....
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447 views

ubuntu 14.10 - lightdm can't start unity. Bad xorg config?

When I try to login with lightdm my monitors go dark and then switch off before taking me back to the lightdm login screen. I get a message telling me: Could not switch to the monitor configuration ...
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484 views

Starting Lightdm display manager: [FAIL]

How do i solve this? It maybe related to my previous problems: Booting to black screen ubuntu 14.04.2 System Settings Missing/Bluetooth Settings/Sound Settings/Programs Missing?
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0answers
296 views

How can I login into a domain user account or login as other user in Kubuntu?

I do have a kubuntu box connected to our Windows AD DC, and now i want to login one domain user in my AD to my kubuntu box but I cannot find a way to log as other user in the login screen. I tried to ...
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0answers
349 views

lightdm: lock session after (only) auto-login

I'd like to be able to have my KDE session started with lightdm auto login but lock immediately. But if I logout and then back in, I don't want the lock. I found this bug: https://bugs.kde.org/...
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1answer
606 views

Stuck at login screen

I have Dell Inspiron 1525 with Kubuntu 14.04. One fine day I can't login and stuck at login screen. So I started searching here and there nothing helped. But one article has given me idea of creating ...
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1answer
471 views

Problem With Custom Unity-Greeter background

So I have this cool background I like. I set it as my background, but in Unity-Greeter, (Not the lock screen) I just see the default "bruised" wallpaper for 14.04. Ick. Does anyone know how to make my ...
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0answers
255 views

Black and white screen after “successful” LightDM login screen rotation in Ubuntu Mate 14.04

I have rotated LightDM login screen as suggested by Stephen and got black and white greeter (see photo). Sometimes the problem disappears after login, but occasionally it remains on session. I am ...
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0answers
5k views

Install LDAP on ubuntu 14.04

I'm trying to configure OpenLDAP on Ubuntu Server 14.04 LTS and Clients (Ubuntu 14.04 and/or Linux Mint 17). It works with su command, ssh or in terminal but it doesn't work on login screen. Just ...
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0answers
565 views

Ubuntu 14.04 Pantheon session not shown in LightDM

I installed elementary-desktop on my Ubuntu 14.04 x64 virtual machine following these steps, but I don't get the Pantheon session in LightDM. I only have KDE Plasma Workspace and Ubuntu(Default). Is ...
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2answers
102 views

How to shutdown the computer after Xsession ends?

I'm making a computer like an arcade machine with an academic game. I'm using Xsession to replace the desktop by an application. It's working fine. But when I go out from the game it returns to the ...
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0answers
229 views

How to change onboard settings in lightdm?

How do I change the onboard settings for lightdm? I have a tablet with ubuntu on it. It was pretty easy to set up the onboard keyboard to show up in lightdm.... except I really don't like the way it ...
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1answer
1k views

Ubuntu 14.04 login loop - Guest sessions does not work either

I have been using Ubuntu 14.04 soon after it is released. Today I messed something up with the Chinese input ibus, and I don't know if this is the reason at all, but when I reboot using sudo shutdown -...
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1answer
140 views

Installing Ubuntu 14.04: GUI goes crazy

So when I try to install Ubuntu on my workstation from USB and the GUI finally pops up either from try Ubuntu or install Ubuntu the windows just go nuts, they are different colors, scrambled and ...
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1answer
418 views

Ubuntu 14.04 desktop does not load after login

I have a Asus Notebook (X450L) with Ubuntu 14.04, it has a nvidia card 720m and a Intel HD Video onboard. All working just fine until yesterday, when I updated the system. Now, after the login screen,...
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1answer
52 views

cannot interact with gnome

I am running Linux 14.04 with Gnome. My Laptop just spontaneously lost all ability to interact with gnome - no toolbar at the top, no icons on the left, work space switching does not work, and no ...
0
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1answer
214 views

Changing login screen wallpaper to work with jpg. ubuntu 14.10

so. I would like to know how can I set login screen (lightdm) with jpg. because. it just work with png. I had to convert my images. so of 582mb => 1.8gb -.-'.
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2answers
2k views

How to install kde-plasma with lightdm instead of kdm

I like lightdm and especially its webkit-greeter a lot. Is there a way to install kde without installing kdm and using lightdm instead? I have tried everything from installing kdm and then remove it ...
0
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1answer
59 views

How to start a process and attach it to the terminal corresponding to the local graphical shell?

I'm running Lubuntu 13.04 using lightdm as my login environment. If I'm logged in to the graphical session and start my process, everything is groovy. But if I start the process remotely (ssh session)...
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1answer
1k views

How to reduce GPU fan speed after boot?

Every time I boot my computer, the GPU fan is at max speed and very noisy. The problem: Fan speed stays at maximum level: when I start the computer without screen or keyboard when I use the ...
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1answer
263 views

Unable to Install NVIDIA Driver

So I am trying to install the NVIDIA GPU Driver Version 346.35 (http://www.geforce.com/drivers/results/81252) for my GTX 970 and am running into a lot of issues. I have tried to run the file and get ...
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0answers
90 views

Desktop Environments Incorrect After SLiM Install

I am working on making an automated install based off of Lubuntu using Debian Installer so that the install is as automated as possible (a few inputs at the very beginning). So far I am mostly pleased ...
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1answer
70 views

Why does lightdm-gtk-greeter not depend on lightdm?

I had assumed that I would also get lightdm installed when I installed the package lightdm-gtk-greeter, but that was not the case. Looking up the package info it was clear that there was no dependency ...
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1answer
1k views

How do I reboot login screen?

After locking Ubuntu 14.04 and invoking login screen sometimes I get the page with disabled password field. How can I restart login screen in command line without restarting whole X server?
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2answers
259 views

How to restart UI in 12.04 desktop

Happy user of 12.04 desktop since its released, but recently - past couple of months my UI randomly freezes. Mouse pointer moves, but can not click Keyboard is completely gone Screen painting looks ...
5
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1answer
383 views

How can I start a LightDM session via SSH?

I'm connected to an Ubuntu 14.04 machine via SSH and I want to start the lightdm session for testing purposes. I don't want to forward the X server to my local machine. I just want to start the ...
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1answer
149 views

LightDM login Background Sync with Nitrogen

I use nitrogen to control my background in openbox. Is there a way to sync this with LightDM login so that I have the same background on the log in screen as on openbox?