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

learn more… | top users | synonyms

0
votes
0answers
10 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 ...
0
votes
0answers
7 views

Two step verification in linux login

I am using this to enable google authenticator for two step verification. According to this method we set google authenticator module in lightdm. If user don't login with lightdm and use tty this ...
0
votes
0answers
11 views

Issues with LightDM

Ok, just put Ubuntu Trusty (14.04) on one of the two hard drives on my laptop. Was working great, except Windows 8.1 won't fully boot now. I'll post a different question on that. So now when I boot ...
0
votes
0answers
8 views

Have lightdm installed but no switching icon on login screen

I can't get to my Mate desktop. I installed libmate-desktop-2.17, mate-desktop, and mate-desktop-common (all show up with green box in synaptic package installer). I also installed lightdm. I ...
1
vote
2answers
1k views

Ubuntu 14.04 Login screen password always incorrect

I have just installed Ubuntu 14.04 for the first time boot. I am a long time MS Windows user and don't like where Windows is headed so I decided to switch to Ubuntu and only use Windows for gaming. ...
-1
votes
0answers
13 views

I cannot log out on xubuntu 13.10, I get black screen with a blinking cursor [on hold]

Some time ago I set the file lightdm to log in automaticaly to the desktop with out asking for password, but now I cannot log out and log in again, because when log out I get a b lack screen with a ...
1
vote
1answer
49 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 ...
1
vote
1answer
53 views

Wake from suspend, password field missing?

Ubuntu 14.04. Brightness & Lock settings are to turn off screen after 10 minutes and lock screen after 30 minutes. 50% of the time, when I wake my computer from suspend, the login field to enter ...
8
votes
2answers
12k views

No password asked at login screen just start session button with LightDM

When I first installed Ubuntu I choose NOT to ask me for a password at login. That was ok for that moment cause it didn't ask me any password at login. But now I want to be asked for a login password. ...
23
votes
10answers
36k views

Wrong Login Screen Resolution

Excuse me if this has been answered already, but I couldn't find any questions quite matching my issue. On the odd occasion, usually after incorrectly restarting my computer, my login screen ...
1
vote
0answers
27 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 ...
1
vote
1answer
12 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 ...
0
votes
0answers
16 views

After Login, login background remains. Shows /usr/bin/startkde“ X session — ”/usr/bin/startkde" not found

I want my normal Ubuntu environment back. I am describing the series of modifications I have done. Because it may help understanding the problem. [modification 1] I had installed a "theme" that ...
2
votes
1answer
39 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?
0
votes
2answers
23 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 ...
49
votes
6answers
133k views

How do I change the default session for when using auto-logins?

When autologon is active, lightdm will start the Unity 3D session, not the 2D (or any other shell that I want to auto-login to). Is there a way to start the shell I want automatically (autologon)? ...
2
votes
0answers
26 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 ...
1
vote
0answers
10 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?
1
vote
0answers
17 views

Cannot login after lock

When trying to login again after locking my computer, I sometimes can no longer login using the graphical interface. My username does show up, but I the bar where you'd usually fill in your password ...
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 ...
0
votes
0answers
15 views

Need help logging in at greeter using a wireless remote/device

I'm running Tahr (Desktop) on a Brix S as a small pseudo server/HTPC (mainly to save costs and space). The box sits under my TV and I'm trying to set it up so that my wife and I can control the box ...
32
votes
5answers
23k views

How do I hide a particular user from the LightDM login screen?

How do I hide a particular user from the login screen on a default install of 11.10 and higher? (ie. using LightDM)?
0
votes
0answers
82 views

Error while login in Ubuntu using Fingerprint GUI

When I am trying to login in Ubuntu using Fingerprint GUI I receive the following error : ERROR: FOUND ENCRYPTED HOMEDIR BUT NO PASSWORD I have installed my fingerprint for both sudo and su ...
0
votes
1answer
4k 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
0answers
21 views

Why double loading of lightdm in Ubuntu 14.10

I just install a fresh copy of Ubuntu 14.10 on my new Lenovo ThinkPad Helix, I notice right from the start a double loading of lightdm, I mean, it shows for few milliseconds and looks like it's ...
101
votes
12answers
84k views

How do I disable the guest session?

How do I disable the guest session in Ubuntu 11.10 or higher? I don't want people to be able to use my computer without using a password to log in!
0
votes
0answers
229 views

Theme lightdm-unity-greeter

There are a couple of question that deals with changing the icon theme / desktop theme of the lightdm-greeter. I wonder if it is possible to change other parameters of the greeter in order to be ...
1
vote
1answer
65 views

Remove LDAP users from Lightdm greeter user list

I have default user accounts which are local to my system and I want to show them in a user selection list. This is working. Recently, I've enabled logins with LDAP. The flow is selecting "Other..." ...
6
votes
1answer
17k views

How can I restart Unity/GDM when I get a blank screen after suspend?

Occasionally, with Ubuntu 12.04, I get a blank screen when I resume from suspend. I can see the mouse cursor, but that's all. I can get TTY terminals, so is there a way to restart the graphical ...
0
votes
2answers
54 views

Can not log in to Desktop, but terminal works, Ubuntu 14.10

Yesterday I did aptitude upgrade and today when I enter my credentials I'm taken back to login screen, I can start my session by log in to console, and starting Xserver and unity manually. I searched ...
2
votes
5answers
6k views

Ubuntu 13.04 - can't login to Unity, keep going back to login screen with all users

today I've updated openssl and libssl (automatic update). After reboot I can't login with any user (even with Guest or new one) into X. I've tried with installing gdm, gnome-session-fallback - no ...
0
votes
0answers
21 views

Ubuntu login fail to start lightdm session

I have a nightmare with my Ubuntu account login. Everytime after I typed my account password, the screen flashes and then back to login view. However,I can login in terminal via Ctrl+Alt+F1. then ...
0
votes
1answer
63 views

Changing window manager in LightDM

I'm using Ubuntu 14.04 and wanted to change the default Unity/Compiz window manager. I've went through the LightDM documentation and saw a related question, but I still can't make it work (I tried to ...
1
vote
0answers
48 views

How can I add a custom python indicator to the unity-greeter login screen?

I've installed a custom indicator called PRIME Indicator and it shows up in the top panel (next to date time etc) after I login. I would like to show the indicator before login on the unity-greeter ...
2
votes
2answers
47 views

Cannot unlock session if user has no password

I created an account with no password for my 3 years old child. After some time of inaction on that account, the session locks. Then I cannot unlock the session. Trying to unlock with an empty ...
4
votes
2answers
5k views

Intel Haswell strange graphics and boot issue

I build a new system with a Core i5-4570S CPU and I use the internal graphics card. I can Install Ubuntu 13.04 without problem and everything seems to work fine, but during boot and when I turn the ...
1
vote
0answers
11 views

Boot-repair issue with Ubuntu 14.04

My VPS works absolutely fine but has had a few issues with booting since I upgraded it to Ubuntu 14.04 from 12.04. It will not boot after being switched off. So I Googled the problem and it looked ...
0
votes
1answer
47 views

Changing X display manager

On my Ubuntu 14.04 there's gdm and lightdm installed. Is it recommended to have both installed? How can I check which one's active and how can I change them? I have some troubles with the Ubuntu ...
0
votes
0answers
136 views

LightDM: user-session doesn't work, nor do multiple sessions at start

On my media center (XUbuntu 14.10), I am trying to autostart Kodi in the focussed session and also start and autologin xfce4 in a second unfocussed session (I hope Steam In-Home Streaming doesn't need ...
0
votes
0answers
54 views

VNC over lightdm results in blank screen

I'm trying to set up VNC over lightdm so multiple users may log in to the server and have their own session each. I'm using TightVNC Viewer from a Windows machine to connect to the Ubuntu virtual ...
2
votes
0answers
40 views

Changes in /etc/lightdm.conf.d/*conf or /etc/lightdm.conf makes any difference

I am trying to make my lightdm use a correct setup of my displays both for login and session. I have most likely misunderstood something here, but by reading the wiki I did the following: I have ...
0
votes
0answers
27 views

cannot lock screen, create a new user or switch users in unity

I tried lubuntu-desktop once as an alternative desktop environment alongside unity and then removed it, however from then on I have to login twice and any new users created fail to login, the lock ...
16
votes
5answers
39k views

After logging in, there's a black screen and my cursor, nothing else! in Ubuntu 12.10

I've been using Ubuntu(12.10) for a long time, and recently, my Ubuntu went through yet another update. The whole update prompt showed up, following by a password prompt, and finally the good ol' ...
1
vote
1answer
104 views

configure lightdm greeter in ubuntu 14.04

Earlier I was using the [not ugly] old styled login screen. Recently have installed lightdm greeter to change my login box position from left to center. Now, I have to configure lightdm to disable ...
3
votes
1answer
4k views

LightDM not responding to XDMCP requests 12.04 LTS

Since a recent upgrade from 10.04 LTS to 12.04 LTS I can no longer login using XDMCP (ssh -XC is okay). This is similar to an earlier question but the answer (add xserver-allow-tcp=true) didn't help ...
0
votes
1answer
114 views

nvidia and intel low-graphics mode error

I have ubuntu 14.04.1 64bit installed with intel and nvidia video cards . I'm using xorg-edgers ppa to graphics drivers . Today i got an update for the drivers (i think it was the mesa drivers) . when ...
4
votes
3answers
4k views

Cannot pass the login screen after upgrade to 12.04 from 11.10

I just performed the upgrade from Ubuntu 11.10 to Ubuntu 12.04 LTS. The updater downloaded all packages but a few ones that the system said were already installed. When asked for it, I chose to ...
1
vote
0answers
18 views

unsquashing a liveUSB, I found that the filesystem is not identical to the one loaded from liveUSB

so I have ubuntu studio 64 in a live USB and I wanted to change the way it boots. Namely, the liveUSB boots directly to a live user session bypassing lightDM. I want to change that and as I figured ...
0
votes
0answers
37 views

how can i boot to normal user on live USB

I installed ubuntustudio 64bit 14.04 on a usb stick. The aim is to use it as a normally installed session but with the added benefit of keeping all my OS in a usb and using any pc available. This ...
1
vote
0answers
2k views

Invisible mouse

When I boot Ubuntu I can see the mouse cursor at the login screen but once I put my password is see this error could not acquire name on session bus I tried to Google the error but all I find is stuff ...