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

learn more… | top users | synonyms

2
votes
0answers
21 views

Computer logs out while I lock screen

Recently, my laptop is behaving strangely sometimes. It doesn't usually does this but lately it frequently does. The problem is that whenever I lock the screen, the computer logs out and closes all ...
1
vote
0answers
13 views

Automatic Login to Desktop with Xubuntu Vivid 15.04? [duplicate]

When I boot up the computer, I'd like it to boot right to the Xubuntu desktop, rather than prompting me to login with lightdm. I'm aware that I can set up lightdm to not ask me for a password, but it ...
0
votes
1answer
26 views

unable to access to lightdm after messing with fglrx drivers and screwing up Xorg

I recently removed the fglrx driver from my ubuntu 14.04.2 laptop computer after noticing that it's not really good for the battery life. But after restarting I ended up with this screen (after the ...
0
votes
1answer
21 views

lightdm restarts in cycle when using /etc/X11/xorg.conf

I have a monitor Acer H233H and want to set resolution of 1920x1080. I googled it and found that it's necessary to use /etc/X11/xorg.conf. I created this file using sudo Xorg -configure, copied it to ...
1
vote
1answer
37 views

My ubuntu 15.04 file system is not writable

The problem started when my lightdm config got messed up and would only boot to a black screen with a cursor. In an attempt to fix this I booted up into recovery mode, dropped into the shell and tried ...
0
votes
0answers
23 views

What's causing my login resolution to reset incorrectly?

I'm trying to set up my 4 monitor system so all monitors are of the correct orientation during the login screen. I've set my lightdm.conf file up as follows: [SeatDefaults] ...
1
vote
0answers
30 views

Windows distorted, can't start lightdm - now can't even boot in graphics mode anymore

I have kind of an urgent problem here as my laptop turned out to be completely useless while on a trip. I'm using Ubuntu 14.04 on a Lenovo U410. When I boot, there is no problem. The login screen ...
0
votes
0answers
16 views

monitors.xml and LightDM

Firstly some background information: I have a 4 monitor situation, with varying resolutions - 2 monitors landscape (1680×1050,1920×1200) and 2 monitors portrait (both 1050×1680). Once I'm logged in my ...
1
vote
0answers
12 views

Ubuntu 12.04 : Adding widgets to the login panel

not sure where to start here, it's an area of config I'm not familiar with. Just wondering, is it possible to write some custom widgets for the panel that appears on the login screen? I've found ...
0
votes
0answers
41 views

Login screen refuses to go away, after many, many tries and much research

So the current state of my computer; Dual boot, with Ubuntu 14.04 taking up a 90% of my hard drive partition, and WinXP taking up the other ten percent for games and such. For whatever reason, ...
2
votes
1answer
41 views

After latest update for 14.04, cannot log in to any user account

I just updated 14.04 to latest patches using the GUI: software update. After that, a restart was required, and now cannot log into any of my accounts. I am sure the passwrds are all correct, it just ...
1
vote
1answer
28 views

How to make X.org listen tcp port to remote connections? [duplicate]

Ubuntu 15.04 64-bit desktop. After install system X server run with -nolisten tcp option: 922 tty7 Ssl+ 0:05 \_ /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp ...
0
votes
1answer
32 views

I deleted my home folder, now I can't log in through Unity

I deleted my home folder when followed the steps in: ecryptfs-setup-private --undo I'm not worried about the data or anything, but I can't log in through Unity anymore. I switched to root in the ...
-1
votes
0answers
19 views

Top right bar missing [closed]

The top right corner in 12.04. The Wi-fi icon and the sound icon and every icon is missing.
0
votes
0answers
15 views

ubuntu 12.04 falls back to login or no icons in gui [duplicate]

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
votes
1answer
1k 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 ...
0
votes
0answers
16 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 ...
0
votes
1answer
45 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, ...
1
vote
0answers
20 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
votes
0answers
18 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 ...
1
vote
4answers
1k 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 ...
4
votes
2answers
2k 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 ...
1
vote
0answers
29 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
39 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 ...
1
vote
1answer
29 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
52 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 ...
0
votes
1answer
44 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 ...
1
vote
0answers
110 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
votes
1answer
41 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 ...
0
votes
0answers
14 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 ...
0
votes
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 ...
1
vote
0answers
23 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 ...
0
votes
0answers
38 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, ...
1
vote
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
30 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 ...
1
vote
0answers
69 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
votes
0answers
55 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
21 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
49 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
votes
0answers
52 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
37 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
34 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. ...
0
votes
0answers
12 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
33 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, ...
0
votes
1answer
60 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 ...
-1
votes
1answer
85 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 ...
0
votes
0answers
81 views

How to run Remote Desktop at startup before logging in?

I've tried Google Remote Desktop first, and added this line to Startup Applications Preference /etc/init.d/chrome-remote-desktop start , but unfortunately this won't be executed before logging in ...
1
vote
0answers
173 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 ...
0
votes
1answer
33 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 ...
1
vote
1answer
145 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?