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

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2
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0answers
95 views

LightDM and introductory screen

How can I set original introductory screen and LightDM, they changed after installing the system administrator KDE.
0
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1answer
7k views

How does lightdm auto-login and start a program?

I have a user called XBMC my lightdm.conf looks like this [SeatDefaults] autologin-user=xbmc autologin-user-timeout=0 greeter-session=unity-greeter user-session=XBMC it logs in automatically ...
4
votes
2answers
22k views

Set default user session to XFCE4

How do I set the default user session to XFCE4? I have tried: sudo /usr/lib/lightdm/lightdm-set-defaults --session xfce sudo /usr/lib/lightdm/lightdm-set-defaults --session xfce4 sudo /usr/lib/...
6
votes
1answer
425 views

How do I develop my own display manager?

For some reasons we need to create our own display manager. We need some very special biometric identification of users. If any one can give me some links to documentation or standarts or any ...
1
vote
1answer
2k views

How to remove gnome from login screen after uninstalling gnome shell

I tried gnome-shell but didn't quite like it. After removing gnome-shell, I still have them in login menu. However, upon logging in with any gnome option, I get to the usual Unity desktop. I had ...
1
vote
1answer
1k views

LightDM crashes after logging into my account but works fine for all other accounts

I have Ubuntu 12.04. I installed the kubuntu-desktop package from the software centre and the installation went fine. But after restarting, LightDM kept on crashing when I logged into my account. But ...
0
votes
1answer
610 views

personalize session list on (KDM|GDM|LightDM|some_other)

A bit of an odd question: I want to change the list of sessions available on (KDM|GDM|LightDM|some_other) to a user, without affecting the sessions available to others. Specifically, I have one user ...
0
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2answers
14k views

Ubuntu 12 gdm install remove problem

I installed gdm. Then I removed it with: sudo apt-get remove gdm sudo apt-get purge gdm Now I can't pass Ubuntu logo at starup. How to enable lightdm back? Have tried sudo dpkg-reconfigure ...
0
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1answer
1k views

login to gnome-session is broken

When I come to the ubuntu 12.04 lightdm login screen, I get several options for logging into desktop environments. There is Unity and gnome and gnome-classic etc... When I select unity, it logs me ...
2
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1answer
3k views

How do I change the default log-in to Xubuntu on Ubuntu 12.04?

I thought I would set up my girlfriend's tired old netbook running a less broken OS than Linspire. Nice idea. I have a similar machine ( Acer Aspire One ) running Ubuntu and that worked fine. ...
1
vote
1answer
2k views

Ubuntu 12.04 Logins to tty1 instead of regular login screen, can't start lightdm.

I just tried installing my nVidia graphics card, and when I try to start lightdm it just sits there at: saned disabled; edit /ect/default/saned So, I tried to reboot but it keeps going into tty1 ...
8
votes
2answers
2k views

How to disable guest session ONLY from login screen?

I DO WANT: To be able to select a guest session from the user menu when logged in to my administrator account in case someone needs to use my computer. I DO NOT WANT Someone to be able to turn on ...
2
votes
1answer
1k views

How to add a keyboard layout to the login screen?

The login screen only shows my default keyboard layout, how can I add different ones, so that other users can select these if they want? Additionaly: is there a way to allow users to select arbitrary ...
1
vote
1answer
469 views

How do I log in with a user that is not included on the list in Ubuntu 12.04? [duplicate]

I am using Ubuntu 12.04 64 bit. I have created a system user so as to keep it out of the login screen with sudo adduser --group --system markpaskal, but I cannot login from the greeter because there ...
0
votes
1answer
595 views

How can I get my Acer Aspire One to boot up normally?

Is there any way of making my Netbook(Acer Aspire One ZA3) with Ubuntu 12.04, start up easier, at the moment what iu have to do to get to ubuntu is a hastle and im looking to make it easier. When i ...
1
vote
1answer
133 views

I am obliged to restart my computer savagely , when I lock the screen for a long time

I have a problem with my Sony Vaio SVS1311F3E/W . When I log in, after have locked the screen for a long period of time, the screen will be black and I can see only the mouse, so I am obliged to ...
3
votes
4answers
1k views

Multiple Users, Single Workstation, 1 home folder (Can this be achieved, if so how?)

I am setting up a single workstation (kiosk) in my local library for a team of genealogy researchers (approx 12-14). I plan to use Ubuntu 12.04 LTS as the OS. Each user must have a unique user ID ...
1
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3answers
216 views

When is the next point release to be available?

There are several things I love about 12.04 LTS, but several bugs which make it terrible, like the LightDM issues with the XServer and whatnot. I'm really hoping on the next point release to fix these ...
4
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2answers
6k views

lightdm.conf content erased, now stuck in low graphics mode [closed]

This evening I was attempting to disable the guest account and something went awry. Currently on boot Ubuntu enters low graphics mode. No specific error report. What did I do? Before this error ...
1
vote
1answer
672 views

Can I disable the mouse for LightDM?

LightDM is having major problems with the xserver and generic graphics driver on Ubuntu 12.04 LTS for me, and I really don't like the look and feel of GDM or LXDM, so I just want to disable the mouse ...
4
votes
5answers
17k views

Unable to start lightdm but can startx

I am trying to make my own Live USB and I have successfully generated an ISO file with a newly installed, configured and customized Xubuntu 12.04 LTS installation. My problem is that, no matter I ...
0
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1answer
1k views

How do I change login screen in Ubuntu 11.10 with KDE installed?

I used Simple LightDM Manager to change login screen images in my Ubuntu 11.10 system. But after I have installed KDE environment this software does not works. Login screen changes do not apply now, ...
2
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2answers
292 views

Why are the login boxes on the left and how can I easily move them to the center?

I wonder why Ubuntu chose to put the login forms at LightDM in the left instead of centering it. I find it totally ugly and a mental effort when I boot up and try to find the login with my eyes ...
1
vote
1answer
3k views

How do I switch back to lightdm after upgrading to Gnome 3.4?

my lightdm became curious look like in the picture. how to restore the original look like Ubuntu?
2
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1answer
220 views

How could I customize LightDM to load some Custom code I made?

I've written a code in C++ for a bio-metric lock which I want to add to the log in screen beside the password. Any idea from where should I start?
2
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2answers
1k views

AwesomeWM returning to lightdm after trying to log in

I recently installed AwesomeWM, everything was going fine til I tried to edit the rc.lua. It wouldn't let me save from AwesomeWM so I opened up Unity and saved it from there and when I tried to log ...
3
votes
3answers
6k views

no login screen after change from lightdm to xdm

On 12.04 LTS, I typed "apt-get install xdm" - then a window asked if I wanted lightdm or xdm, and I selected xdm. Then I rebooted but the display only showed, for a very long time, the word "ubuntu" ...
2
votes
2answers
2k views

How do I remove the Accessibility options/icon from the login screen?

Have young kids that manage to foul up Ubuntu by playing with the universal access options at the login screen. Tried following the directions for 10.04 but the stated directories don't exist in 12.04 ...
8
votes
3answers
9k views

How can I reduce the CPU usage of X/LightDM?

Running Xubuntu 12.04 on a netbook (Lenovo S10), the lightdm process which runs in the background takes up constantly a precious 12% of the CPU. Besides, this consumes a considerable amount of energy, ...
2
votes
2answers
6k views

How to re-enable a disabled standard user account?

Disabled a standard user account but did not opt to delete files. Later, tried to enable the account. At that time, a password had to be selected so entered a different one from the earlier one. Now, ...
5
votes
2answers
11k views

Ubuntu 12.04 boots up into terminal (Lightdm & Ati Video card)

I just returned from a two-week vacation and started up my laptop, everything went fine and it installed a lot of updates (including a kernel update. sorry for few details, I didn't really pay ...
2
votes
1answer
7k views

Unsolved Mystery: “mountall: Disconnected from Plymouth”

When I boot, it goes straight into tty1. I have tried everything I could find online to solve this problem. I believe it has something to do with the Nvidia drivers. But reinstalling them in every ...
2
votes
1answer
375 views

Using MCE remote at Unity Greeter?

Is there any way to get LightDM to see a MCE remote as an input device at the greeter screen? I have three accounts -- my user account, MythTV, and XBMC and I'd like to be able to switch between these ...
2
votes
1answer
580 views

System boots with brightness level set to the lowest setting

After selecting the OS to load with grub, 12.04 boots to a dark screen. It seems a minor problem, because I only have to press the brightening key on may keyboard to cast some light. But every single ...
10
votes
3answers
5k views

How do I change the font on the login screen?

I want to change the font in the login screen - where is the configuration for that?
1
vote
1answer
199 views

System resets to login screen spontaneously

Now I'm experiencing spontaneous resets of the desktop environment (when logged in and working normally), where the screen will go black, then reset to the login screen. The resets appear to be ...
0
votes
1answer
810 views

Ubuntu 12.04 login hangs on “Checking Battery” or “SANED,” then returns to login screen

Working earlier tonight, my mouse froze in the middle of the screen, and so I restarted my system. Upon trying to log back in, the screen flashes black, and something along the lines of saned: edit /...
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0answers
61 views

How to disable autologin if the desktop is not functioning? [duplicate]

Possible Duplicate: How to disable automatic login? I have tried to login to a desktop that is not fully functioning. I want to get back to Ubuntu - I can do this if I could boot to the user ...
7
votes
3answers
6k views

How can I require users to also enter their usernames upon login?

Good day, Does anyone know how to modify the login screen so that users are required to type their username along with their password? I'm running Ubuntu 12.04 with all default settings
2
votes
0answers
39 views

How to swap the language before login as per the old GDM login screen? [duplicate]

Possible Duplicate: How do I set the login manager to enable change languages at login? I used to run Ubuntu 10.04 on an computer. When upgarde to 12.04 I have got a totally new login screen. ...
5
votes
1answer
4k views

Lightdm dumps to tty. Cannot start GUI interface when booting off harddrive, but can when booting off usb

When booting, lightdm dumps to tty. No GUI interface works- this is after a fresh install of Ubuntu 12.04 where the GUI interface works when running off the USB. I have an NVIDIA Corporation G98 [...
2
votes
0answers
362 views

How do I configure LightDM so user could choose session type only

I need to configure LightDM, so user could only choose session type which will then start automatically without password. And when he had choosen 'kiosk' session, it should start as quest. When he had ...
1
vote
2answers
5k views

No unity-greeter.conf file in /etc/lightdm/

I am running Ubuntu 12.04 with gnome-shell. I have two admin user accounts. Now, I used to know that in Precise we can set different different login wallpaper to different different user, so I tried ...
1
vote
1answer
456 views

User accounts missing on loginscreen after 11.10->12.04 upgrade, how to get them back?

I upgraded to 12.04 from 11.10. I thought that by upgrading I wouldn't lose the accounts (and the release notes make no reference to loosing it), yes, I carelessly hit the upgrade button but please ...
3
votes
1answer
1k views

Working around Active Directory Users

In my office system, Ubuntu is configured for Active Directory authentication with Windows using likewise open. I have three issues. Each time when I switch on my system and some times when I ...
21
votes
3answers
55k views

How do I switch from LightDM to GDM?

How do I switch from the default display manager (Lightdm) to the older display manager (GDM)?
4
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1answer
800 views

Run a script with user interaction on log out / shutdown?

I'd like to run a script on shut down, which interrupts the logout process and and pops up a window with zenity. My target is to get autofsck working with lightdm. It seems to work with 12.04 after ...
1
vote
0answers
671 views

Console mode oddities

Ubuntu 12.04 can be started in console mode (without GUI) by adding the file /etc/init/lightdm.override with the content manual: echo manual | sudo tee -a /etc/init/lightdm.override When I start ...
4
votes
1answer
1k views

How to show avatar and username (not only full name) on the login screen?

I used ubuntu tweak to change the login background, but I need these other things as well: Show username (not only full name) and avatar if possible, in the login screen Any ideas how to achieve ...
1
vote
1answer
880 views

Why don't I have ubuntu tweak setting to mute/enable ubuntu login sound?

Ever since I installed Ubuntu 12.04, I couldn't figure out a way to enable the login sound. I already have ubuntu tweak installed and I have been at this question, but on my ubuntu, there is not any ...