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

learn more… | top users | synonyms

0
votes
2answers
24 views

Can't install NVIDIA driver even after stoping lightdm

I want to install NVIDIA-Linux-x86_64-346.59.run using command from tty1 sudo su sudo service lightdm stop that generate output Stop : Unknown Instance: then continue with chmod +x ...
0
votes
0answers
33 views

Password not working on “Switch User” only

I have Ubuntu 15.10 x64, which was upgraded in a long series of upgrades going back to 9.04. Over time, many things (including most of the hardware by now) have changed. What has not changed, however ...
1
vote
1answer
52 views

Show all user accounts on greeter screen

Is there a way to have Kubuntu 15.10 default to showing all users known to the system on the login screen (greeter)? If I have users Alf, Bill, Chris, Daisy and Ella, and Daisy was the last user ...
0
votes
0answers
63 views

Change wallpaper LXDE Lubuntu 14.04

I am trying to setup my own ISO image based on 14.04 with some extra tools. Because of that, I was wondering If there is any way to change the wallpaper of the desktop. I tried to do it by editing ...
0
votes
1answer
64 views

Change lightdm-gtk-greeter background?

I've been Googling like a maniac trying to find an answer, so I've now decided to ask here. How do I go about changing the background of the login screen? (lightdm-gtk-greeter). It currently uses ...
0
votes
0answers
51 views

Ubuntu 15.10 Multiseat LightDM Login loop

I have a system using an Nvidia and Intel graphics adapters. I am using the graphics-drivers/ppa. After configuring multiseat, both seats appear on the correct monitors. The lightDM login works ...
1
vote
1answer
58 views

how to change the lightdm gtk session icon

Quick question - I'm using lightdm-gtk-greeter in both 15.10 and 16.04 In the panel the budgie-desktop session icon is appearing as a spanner (wrench) icon. Any ideas how I can change this from this ...
1
vote
0answers
26 views

Strange messages after running `sudo service lightdm stop`

I'm trying to install CUDA and the NVIDIA drivers on my Ubuntu 14.04 laptop. Following these instructions, I entered CTRL+ALT+F1, and then sudo service lightdm stop, in order to disable the X server. ...
0
votes
0answers
31 views

is plasma 5 supposed to work with lightdm?

I just upgraded a Ubuntu 14.04 install to the 16.04 beta and thought I'd try out Plasma 5 now that it's available to me. I'm not running Kubuntu, but I figured an apt-get install plasma-desktop ...
0
votes
0answers
38 views

Restore lightdm greeter dynamic background after installing xfce4 on Ubuntu 15.10

I recently installed xfce4 on Ubuntu 15.10. I did it in order to remote login using x2go. It is working perfectly. After installing xfce4, lightdm is displaying the blue mouse background that comes ...
0
votes
0answers
35 views

Black screen slowly slides down and kills lightdm in Ubuntu 14.04 w/ Nvidia card

Nearly every other day my monitors black out from the top of the screen to the bottom leaving me with to black screen and no cursor. The black screen takes about 4 seconds to slide from the top to the ...
0
votes
0answers
31 views

Login loop after killings process

I'm having an annoying issue. I terminated some processes from another users, which were holding me back changing the user's home folder location. I killed 2 processes (I do not remember the actual ...
0
votes
1answer
15 views

session-cleanup-script not called

Because of this Bug I needed to edit the session-cleanup-script config in /etc/lightdm/lightdm.conf. As the same post suggests, adding session-cleanup-script=/etc/lightdm/lightdm.conf.d/cleanup.sh is ...
0
votes
0answers
34 views

greeting screen disappearing and cannot access tty

When I start my Laptop I see the lightdm greeting screen, however (regardless of what I do) my screen goes black after some seconds leaving my only with the mouse pointer. I can still interact with ...
0
votes
1answer
31 views

After an update, locking and logging in puts me back at login screen

Sometimes, after running an update, if I lock my screen and then try to log in again from the lightdm greeter, it goes black, sits for a while, then puts me back at the login screen. Ubuntu gets ...
3
votes
2answers
32 views

Change Icon for Window Manager at login

is there any way to change the icons for a Window Manager at the login screen? This one: The files are in /usr/share/unity-greeter/ that I know, but can I change the Icon for a WM if it has none? ...
0
votes
1answer
22 views

Make lightdm login on the correct monitor?

Is there a way to get lightdm to display on the correct monitor? It defaults to my DVI monitor on the right, but I want it on the DP monitor on the left.
0
votes
0answers
27 views

Wrong language at login screen

Kubuntu 15.10 with all (or almost all) updates. LightDM is used. HW is HP EliteBook 8530p. I'm using three languages: English, Russian, Georgian (in this sequence as I've listed them). Switching ...
3
votes
0answers
89 views

15.10 Unity stuck after login, even as guest, background image permission denied despite 644

Yesterday I ran the last Ubuntu security updates, and now my desktop does not open anymore. Only the purple login wallpaper is visible (my user wallpaper is different and does not appear) and I can ...
2
votes
1answer
451 views

How to change lock screen background Ubuntu Mate

I would like to change the lock screen background in Ubuntu Mate 16.04. I have found out how to change the background for unity by changing the com.canonical.unity-greeter setting but I can not find ...
1
vote
0answers
62 views

How to set new user (and guest) default theme settings

I recently installed gnome shell to try it out. I want to be able to switch between the 2 environments. (unity + gnome shell) The problem is that after installing gnome shell, all new users ...
1
vote
0answers
12 views

Is there a way to add a splash screen while lightdm is switching users

I share a laptop with my 10 year old daughter. We're using Ubuntu 14.04lts and when she switches to her own account LightDM blanks the screen for a 10 to 20 seconds, sometimes longer. For a 10 year ...
0
votes
0answers
86 views

14.04 Login Loop

I know there are already several questions about this problem. However, I did not find a solution using the answer already provided. I just installed Ubuntu 14.04 LTS dual-boot alongside Windows 8. ...
0
votes
0answers
17 views

Cannot login with Xserver on Ubuntu 12.04

I cannot login on my account using the X Window System. However I can login from a different machine using ssh and locally using text terminal. I tried to restart the X server with sudo restart ...
0
votes
1answer
34 views

thor27's steam-login without entering Big Picture

I've installed steam-login, which allows me to start Steam as a standalone session directly from the lightdm login. By default, it starts Steam on Big Picture mode, but I would like it to start on ...
0
votes
0answers
11 views

Lightdm - Login using two passwords?

I was thinking of an extra security layer by using two passwords for login. Is it possible to configure lightdm in such a way that it will ask you for two correct passphrases? I thought of including ...
0
votes
1answer
42 views

Unable to log in after graphics driver change

After switching from the proprietary to the open source AMD GPU driver via the "additional drivers" menu, my display was not recognised properly after rebooting. It was automatically set to 93Hz (60Hz ...
1
vote
1answer
94 views

Ubuntu blank purple screen on startup

I have Ubuntu 14.04 32bit LTS installed along with Windows 8 (dual boot). I do not have any graphics card(nvidia ,amd ,etc). I have Intel hd graphics driver. It worked fine for many days, but now, on ...
0
votes
0answers
63 views

Problems getting Synergy to autostart at boot time

I've got a windows PC, and an Ubuntu 14.04 LTS machine. I have a keyboard and mouse connected to PC, and Synergy to remote on to the 14.04. I have to unplug the mouse and keyboard and sign in to ...
1
vote
0answers
66 views

External monitors have no signal after boot if laptop lid is closed

I have a Lenovo Thinkpad t440s with the intel graphics card running Ubuntu Desktop Trusty 14.04.4 LTS. This issue occurs with the ThinkPad Ultra Dock with two external monitors attached to it. After ...
1
vote
0answers
91 views

Start Ampps, with root permissions, once desktop loads

Been hacking my way through getting Ampps to work on Ubuntu. Ampps will be used to use host a local Web app for my families business, and I need Ampps to start when Ubuntu starts, always. I figure I ...
0
votes
0answers
19 views

Updated: lightdm doesn't work after installing NIS

I know this has been discussed, but none of the answers I've seen seem to help. My apologies if I'm beating a dead horse. (Please tell me) When I install NIS with autofs on top of a vanilla Ubuntu ...
0
votes
1answer
173 views

Ubuntu 14.04 Infinite log in after installing nvidia drivers

I just installed ubuntu and I'm trying to get the drivers for GTX 960m. I followed the instructions given here: ...
0
votes
0answers
36 views

LightDm fail - I can't get the login screen - Some packages can not be installed Depends libcheese7 and libcheese-gtk23

I can not get the login screen. I have tried the suggestions given in the forums, such as uninstall lightDm or gdm and install again, but it does not work. I get the following message when I try to ...
0
votes
1answer
109 views

How to make Lubuntu login automatically?

I want to know how to make Lubuntu 14.04 restart every two hours, login, and open a program. I am currently stuck on the first part which is to make it login automatically. I have tried changing ...
0
votes
0answers
53 views

desktop freezes frequently when working on high performance mode (nvidia graphics card) : ubuntu 14.04

I am using a Lenovo Z40 laptop with hybrid graphics Indtel HD + Nvidia 820M and ubuntu 14.04 with a kernel 3.13.0-79-generic. My desktop keeps freezing on me very frequently but only the keyboard ...
0
votes
0answers
12 views

logout isnt working [duplicate]

What is the command to log out using the terminal? my logout button isnt working. Im sure I can exit using sudo pkill lightdm is that the command, or is there something else? I’m using Ubuntu mate ...
0
votes
0answers
115 views

Desktop login fails/loops , “Could not get UID of name …”

With Ubuntu 14.04.4, I cannot login with the unity desktop. No answer from Desktop login fails, terminal works helped. After latest update for 14.04, cannot log in to any user account did not help ...
1
vote
3answers
85 views

Xubuntu 14.04 - Strange “Log Out” button behavior

I'm currently using Xubuntu 14.04. Today, February 19th, I got home and was presented with some upgrades (which updated Xubuntu to the 14.04.4 point release). But I don't know if these upgrades are ...
0
votes
1answer
55 views

How can I fix lightdm login black border?

There is a black border around my login screen every time I boot up. I have a second monitor connected and noticed that the background of the first monitor shrinks so that it matches the background of ...
0
votes
0answers
108 views

xubuntu 15.10 & lightdm setup issues

I've installed xubuntu 15.10 with a minimal installation of xfce (from mini iso). So let me explain my setup and needs. I have created 3 users : maintainer : for administration task, hidden from ...
0
votes
0answers
129 views

Login Loop after install nvidia driver on Ubuntu 15.10

I tried to install Ubuntu 15.10 but I always get an login loop after I install the nvidia driver I'm using an dell inspiron 15 7559. First of all I upgraded the kernel to v4.3 for the skylake ...
0
votes
0answers
46 views

unable to login, issue with graphic drivers/lightdm

While trying to solve one issue with my monitor I created one much worst! Now, I cannot login with my user account, when I type the password, it shows a black screen (less than 1 second) and then the ...
1
vote
1answer
53 views

How to purge lightdm users list?

The computer is configured with FreeIPA (ipa-client). After a user has logged in for the first time, it is listed on the logon screen. However even when the user has been deleted on the FreeIPA server ...
3
votes
0answers
93 views

Multiseat on one video card

I'm trying to set up a multiseat configuration on a single video card (Nvidia GTX 680) under Kubuntu 14.04. I can run two x-screens for one user, what nvidia-settings natively supports. So I think ...
0
votes
1answer
65 views

/etc/lightdm/unity-greeter.conf file and /etc/lightdm/lightdm.conf missing

In my Ubuntu 14.04 /etc/lightdm/unity-greeter.conf and /etc/lightdm/lightdm.conf files are missing. Only /etc/lightdm/users.conf file is there in /etc/lightdm/ directory. And login screen is not ...
0
votes
0answers
65 views

Unable to login to GUI 14.04

I am unable to login to the GUI after an upgrade: Feb 15 09:32:07 dl-maa-00391506 lightdm: pam_unix(lightdm-greeter:session): session closed for user lightdm Feb 15 09:32:07 dl-maa-00391506 lightdm: ...
0
votes
0answers
52 views

How to load policykit privileges with X on Ubuntu 14.04

In Ubuntu 10-12 I was able to boot in text mode and run startx. However, from a fresh install of 14.04, if I disable lightdm and use startx, startx will load the desktop environment without any ...
1
vote
1answer
33 views

Authorization problems after VNC uninstalling on Xubuntu 12.04

I had setup vnc through vncserver script http://manpages.ubuntu.com/manpages/hardy/man1/vnc4server.1.html .This script were launched under the root. After that i decide to use xrdp instead vnc and ...
-1
votes
1answer
115 views

run startup script which requires a xserver session

I have a python3-script which uses the Gtk-module (imported from gi.repository, for recent-manager functionality), requiring a link to the current xserver session (lightdm service in Ubuntu). Running ...