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

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-1
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0answers
17 views

Top right bar missing

The top right corner in 12.04. The Wi-fi icon and the sound icon and every icon is missing.
0
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1answer
5k 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
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0answers
9 views

ubuntu 12.04 falls back to login or no icons in gui

after hours of searching for solutions i am quite confused and frustrated now. None of the solutions here helped. This is what happend and what i did. Suddenly after days of offline the 12.04 ubuntu ...
0
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1answer
22 views

Trouble Installing Nvidia Driver

First time user here; Just installed Ubuntu 14.04 and I am currently desperate to install 970 Nvidia Drivers. It gives me an error saying that X server is currently running and needs to be stopped, ...
0
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0answers
136 views

kubuntu 15.04 upgrade: many problems

I'll just toss here a list of problems I have with the recent upgrade to kubuntu 15.04 I'll accept that all my settings are gone because of the change of framework 4 to 5 (it would have been nice to ...
1
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2answers
928 views

Caught in loop when trying to login after upgrade from 14.10 to 15.04

After an otherwise uneventful upgrade from 14.10 to 15.04 I cannot login. When I provide my password the screen flickers briefly and I am back at the login screen. I have checked permissions on ...
0
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0answers
9 views

How to setup LightDM mutiseat with logind

I have tried to setup a multiseat environment for my mediacenter (VT7: Kodi Autologin, VT8: XBMC Autologin) since Utopic. It didn't work there, so I assumed a bug. Now I retried with Vivid, still ...
1
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0answers
18 views

How do I repair a bad startup script?

In Ubuntu 14.10, I followed this answer to autostart synergyc on boot, but, it caused my computer to boot into low graphics mode. See askubuntu.com/a/196853/15811 So how do I remove / repair a bad ...
0
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0answers
11 views

No login background and Ubuntu logo after fresh installation of Ubuntu 14.xx

Got a strange problem. I use Ubuntu a few years now. Recently I've updated from 14.10 to 15.04. After that there was no background or Ubuntu logo with version at the bottom. Just violet screen with ...
4
votes
2answers
6k 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 ...
0
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1answer
18 views

Lubuntu 14.04 light do will not start

I have no clue what to do Sudo lightdm /etc/modprobe.d is not a file update-alternatives: error : no alternatives for x86_64-linux-gnu_gfxcore_conf
1
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1answer
40 views

Setting a default input language for lightdm lock screen

My lock screen shows up after a few minutes in which I am not using the computer. This is a wanted behaviour. However, it often switches the input language to Hebrew, or perhaps just taking the last ...
85
votes
16answers
119k views

Ubuntu gets stuck in a login loop

My problem: As you can guess my Ubuntu is stuck in a login loop when trying to enter my desktop. When I login, the screen gets black and soon after that the login screen comes back. I'm a Ubuntu ...
1
vote
0answers
309 views

In Ubuntu 15.04 can't do graphical log in

I have done clean install recently of Ubuntu Desktop 15.04. And I was able to log in to the graphical environment until I enabled "boot to text" like said there: How do I disable X at boot time so ...
106
votes
12answers
89k 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!
1
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0answers
15 views

Shared remote desktop over lightdm after reboot

On an Ubuntu 14.10 box, I set up vino-server and enabled remote desktop, which allowed me to see the applications currently running as the user sees them. However, I could not log in if the computer ...
1
vote
1answer
28 views

Desktop never loads when using I Nvidia drivers

I upgraded to 14.04 on a Macbook Pro 5,5 and now none of the Nvidia drivers work. If I install nvidia-current, that installs the 304 driver, which appears to actually be the oldest. With that, I ...
1
vote
1answer
31 views

“Your system is running in low graphics mode” error

I'm quite new to ubuntu. I recently downloaded pycharm for python development. The fonts on the pycharm editor looked broken, so I was googling for a fix. I stumbled upon this stackoverflow thread and ...
0
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1answer
28 views

Change lockscreen in MATE?

I want the lightdm-webkit-greeter to be mine lockscreen, do you know how to change it? I found a way how to add Xscreensaver screensavers to mate-screensaver or even change background, but no word on ...
0
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0answers
26 views

lightdm login gives blank screen then returns to lightdm

After typing in my password in lightdm, I get a blank screen and then I'm returned to lightdm. I'm unable to find any obvious problems in /var/log/lightdm or /var/log/Xorg.0.log (though I'm happy to ...
1
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0answers
86 views

Black screen and login loop after updates Ubuntu 14.04 LTS

I have been using 14.04 LTS for a year now, perfection! Then this week I had new updates, for which one of them had an error. I cannot recall which one had the error. After reboot the login screen ...
0
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0answers
13 views

How do i stop the greeter from changing on lock or suspend

I have installed xfce on 14.04 unity distribution and every time I lock the session or suspend, my greeter changes from the unity default one to a xubuntu skinned one, I have not figured out why. I ...
1
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0answers
205 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 ...
33
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5answers
25k 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
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0answers
11 views

Looks like my window manager is not starting after upgrade [duplicate]

I upgraded to 14.10 just the other day, and the upgrade appeared to work fine. I get the login screen just fine, but when I log in, all I get is the wallpaper and the "Ubuntu 14.10" in the lower left ...
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0answers
22 views

switch user leads to black screen

I'm on the latest 14.04 with nvidia-331 drivers installed. Everything runs smoothly just when I try to switch user I get a black screen. Suspend and logout works with no problems. Somehow I managed ...
10
votes
1answer
10k views

Why don't my lightdm.conf edits affect my desktop screen resolution?

I wanted to change my desktop screen resolution to 1366x768. But my VESA drivers(AMD REDWOOD) did not detect that resolution. So I created a shell script as follows:- xrandr --newmode ...
0
votes
0answers
35 views

Ubuntu 14.10 randomly freezes - have to restart lightdm through TTY

I have Ubuntu 14.10 64 bit installed on my HP Evny DV6-7213nr laptop on the old Recovery Partition, no WUBI. I have the latest ATI Catalyst Omega 14.12 drivers installed and everything works great, ...
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0answers
12 views

Can I add a music player to the login screen? [closed]

I was wondering if I can add any music player on login screen. Think about it like on your smartphone. Is there a way?
0
votes
1answer
27 views

After switching from gdm to lightdm my screen turns off when I come to the login

I tried to change my Display Manager from gdm to lightdm. After a system restart everything was normal until I got to the login place. Instead of seeing the login screen I only heard the sound of the ...
0
votes
1answer
35 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 ...
0
votes
2answers
91 views

ubuntu 14.04 login loop problem

My Ubuntu 14.04 is stuck, when trying to login my desktop. Means the screen gets black and soon after that the login screen comes back. I followed all steps in Ubuntu gets stuck in a Login Loop Even ...
1
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0answers
62 views

Ubuntu 14.10 - Wrong greeter screen resolution

I'm currently running Ubuntu 14.10 set to a resolution of 1920 x 1080, but on start up of the system, the resolution is incorrectly set to 3840 x 2160 (with no scaling) at the greeter screen. On ...
0
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2answers
3k views

Upgrade to 13.04, user picture shows up on lightdm. Can I change it?

So, I recently upgraded my Xubuntu to 13.04, and afterwards I noticed that there is now a picture of me on the lightdm login screen. I have no idea where this picture came from, I don't remember it ...
4
votes
4answers
855 views

Login screen doesn't remember my choice of desktop enviroment

I have installed gnome shell, loged in to it, but on boot the computer logs in to a ubuntu session. I have automatic log in enabled. How can I fix this. How can I make ubuntu remember my choice of ...
0
votes
2answers
56 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 ...
0
votes
0answers
19 views

What are the names of the icons that LightDM uses?

I'm currently trying (and failing) to make a system icon theme for the Ubuntu LightDM login screen. I really hate the default ubuntu-mono-dark icons, and would like to use my own set of icons. After ...
0
votes
0answers
44 views

How do I set-up LightDM and gnome-session-flashback to use XDMCP?

I'm trying to create a terminal session on another computer in my local area network. I have used XDMCP in the past, but it's pretty long ago ('06 & '07). I remember it being a breeze to set-up ...
0
votes
0answers
42 views

Complication over VNC, lightdm and startx

I managed to run x11vnc server on my Ubuntu 14.04. I can log into my Ubuntu from my Windows PC using UltraVNC Viewer. The Ubuntu machine is headless. I followed instructions below. ...
0
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0answers
47 views

Cannot login on 14.10 GUI

So I booted up my laptop like normal and got to my login screen (unity) and once I logged in I was brought to my desktop with icons missing, then thrown back to the login screen. I tried changing my ...
0
votes
1answer
33 views

Ubuntu fonts are corrupted on certain windows

I'm running ubuntu 14.10 on a lenovo yoga pro 3. Specifically I followed the instructions detailed here during the istallation process: Yoga 3 Linux HOWTO When I login to Ubuntu sometimes the fonts ...
1
vote
1answer
31 views

How to hide administrator account or root in Login screen?

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. ...
-1
votes
0answers
19 views

Double entries on lightdm screen

Actually there is 4 entries on my lightdm login screen . First is Ubuntu default fourth is cairo-dock session second and third are both Kodi(aka XBMC) . Obs: One of Kodi session inside the ...
30
votes
1answer
4k views

What is the relationship between Unity, Gnome, Gnome 3, Compiz, Metacity, and LightDM?

I am learning about Graphical User Interfaces in Ubuntu and constantly come across different terms, which cause a lot of confusion for me. I have tried reading easy-to-understand tutorials about the ...
1
vote
3answers
2k 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. ...
0
votes
1answer
57 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 ...
0
votes
0answers
11 views

How can I remove this discoloration from the lightdm-kde-greeter?

I am using Kubuntu 14.04.2 LTS. Recently (not sure since when but it certainly wasn't there at my earliest 14.04 install last year) my locker has started to display some discoloration in some parts. ...
2
votes
0answers
32 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, ...
4
votes
2answers
459 views

lightdm: cannot type password on login screen

I am running 12.04 LTS, fully updated. My system is configured to automatically log me in into my account. Auto-login works fine. However, sometimes I need to access the unity-greeter/lightdm login ...
1
vote
1answer
61 views

Handling laptops with docking stations on XFCE

Anyone here running a setup in which they use a laptop + docking station setup for XFCE? At work, I plug/unplug from multi-monitor setups all the time and on unity I didnt have an issue (Radeon ...