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

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1answer
402 views

“dm-tool lock” doesn't lock my session

When I use dm-tool to lock the screen for userA, I can log in as userB and then use dm-tool to switch back to userA's session without having to enter a password. Is that the expected behavior? If ...
3
votes
1answer
3k views

How to configure permanent autologin? [duplicate]

Possible Duplicate: How do I enable auto-login in LightDM? How to permanently disable LightDM greeter and enable autologin? I'm trying to set up an Ubuntu 12.04 machine as a kiosk and I ...
3
votes
4answers
832 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 ...
3
votes
1answer
498 views

Lost gtk theme style in login screen after Compiz crashed

Normally, all controls in login screen (button, textbox, etc..) have the current gtk-theme style. But after Compiz crashed (always happen when I enable or disable a plugin), the style has gone (no ...
3
votes
1answer
504 views

How can I get the computer to sleep while at the login screen? (No users logged in.)

I have my computer set to "Suspend when inactive for 30 minutes" in system settings. This function works fine if a user is logged in and does not do anything for 30 minutes. However, if all users are ...
3
votes
2answers
1k views

User login cycles [duplicate]

Just install 12.04-64bit and while I can login using the guest login, I cannot with my user login: it just cycles back to the login screen. I have performed the sequence of apt-get update/upgrade and ...
3
votes
1answer
2k views

Low graphics mode error on startup with NVIDIA graphics (12.04 LTS )

My problem is similar to two other posts concerning ATI cards and 12.04 LTS: Post1 & Post2. In my case I use a Dell Precision M4300 laptop which uses a NVidia Quadro FX 880M. Doing a lspci | grep ...
3
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 ...
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0answers
1k views

How can I make the LightDM lock screen my gnome-shell lock screen in 12.04 [closed]

In Unity, LightDM is the default lock screen. Is it possible to make LightDM my default lock screen in gnome-shell ?
3
votes
1answer
491 views

Login screen is rotated [closed]

When I turn on the computer, the login screen is rotated. But when I log in to my account, the screen is normal. I have an ATI graphics card on an AMD laptop. The settings is normal for two user ...
3
votes
0answers
328 views

After upgrading from 11.04 to 11.10, gnome-shell entry in Lightdm actually launched Unity [closed]

I had Ubuntu 11.04 installed running gnome 2. I upgraded to 11.10 and everything went very smoothly. I installed GNOME Shell via: sudo aptitude install gnome-shell Logging into the Gnome session ...
3
votes
1answer
1k views

How to remove the old gdm [duplicate]

Possible Duplicate: How can I make LightDM the default display manager? I have installed Ubuntu 11.10 beta and all of its changes are now working and let me testing them, but the only ...
2
votes
2answers
784 views

Is it possible to run ChromiumOS as a session?

Is it possible to install ChromiumOS within Ubuntu? I am NOT looking for dual boot. I want to use as a session like unity or gnome-shell. Please let me know if anyone has tried it.
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votes
2answers
1k views

How to return the login screen of the original unity ubuntu?

I've installed the LightDM GTK+ Greeter 1.7.0 as below sudo add-apt-repository ppa:lightdm-gtk-greeter-team/stable sudo apt-get update sudo apt-get install lightdm-gtk-greeter ...
2
votes
4answers
6k views

12.04: LightDM freezes while “Logging in…” - maybe due to deactivated login sound [closed]

good morning, lightdm freezes often after I entered my passwort. It hangs exactly saying "logging in...". It's no total system breakdown though. I found out that there is already an existing bug ...
2
votes
2answers
2k views

How to edit lightdm to show “other user”?

I am an IT student aide at a college and we have a very small test computer that we started messing around on with 12.04 and used likewise to join it into the Windows network that we have. However, ...
2
votes
2answers
271 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 ...
2
votes
2answers
347 views

How can I login to a display-less machine via ethernet?

I have two Ubuntu systems. The first I'd like to use as a server. Hence I don't have a display or even keyboard for it. The other is my laptop and can connect to the network. Upon bootup, the ...
2
votes
2answers
5k views

Unity greeter does not display custom wallpaper

I am using Ubuntu 14.04 LTS 64 bit . I know this question has popped up many times but I want to make it very clear that none of the posts helped me a bit. my Problem: I am unable to get my custom ...
2
votes
4answers
16k views

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

I have no /etc/lightdm/unity-greeter.conf file. but there is /etc/lightdm/lightdm.conf and /etc/lightdm/users.conf but there isn't a background=path/to/image line in either of those files. Related: ...
2
votes
1answer
983 views

User-level script run by lightdm

I'd like to do key remapping that effects only my user, but everywhere within my window manager, not just in a terminal. In lightdm, I select awesome as my window manager and log in. Are there any ...
2
votes
3answers
3k views

xhost setting at boot

I am able to set xhost at boot in Fedora by editing /etc/gdm/Init/Default and for example add: /usr/bin/xhost +local: How can similar be done in Ubuntu? I want that the /usr/bin/xhost +local: ...
2
votes
1answer
53 views

Meaning of files under /etc/lightdm/lightdm.conf.d/?

I installed Xubuntu from an .iso image. Then I installed ubuntu-desktop package from the repositories and removed xubuntu. However, the only file under /etc/lightdm/lightdm.conf.d is 10-xubuntu.conf. ...
2
votes
2answers
1k views

Black screen on login maybe lightdm problem

Hi after I entered this command in terminal: sudo sh -c 'echo "greeter-show-manual-login=true" >> /etc/lightdm/lightdm.conf' and I reboot my PC i cannot login to ubuntu. After i select the os ...
2
votes
2answers
8k views

mei_me unexpected reset

Yesterday I experienced some troubles with my ubuntu installation. After reset, my system didn't start lightDM, all I saw was a black screen. I then logged in via ctrl + alt + F1 to terminal and saw ...
2
votes
3answers
2k views

How to run greeter/login script with lightdm

Is there a workaround to run a lightdm script? The one in the docs doesn't work. Anything placed there will prevent X from working. The script I would like to use is my KVM utility synergy. I ...
2
votes
1answer
2k views

How to let screen time out on sign in screen [closed]

I have Ubuntu 13.10 set up on an older PC. If I am logged in as a user, then the screen timeout and power saving mode works as expected. However, if nobody is logged in, the screen never times out, ...
2
votes
1answer
47 views

How can I list the WM manager sessions available from the command line?

How can I list the WM manager sessions available from the command line? I want to know what sessions are available to pass to thr lightdm-set-defaults utility.
2
votes
4answers
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 ...
2
votes
1answer
3k views

How to install pantheon-greeter in 13.04 Raring?

Refer here: QUESTION Those are the exact step I did in my install - a raring x64 server install + all needed xorg packages to run a GUI + MATE 1.6. Basic lightdm + unity-greeter is flawless, as well ...
2
votes
2answers
441 views

How can I use custom wallpapers for the login screen?

I recently Installed 12.10 version and I loved it! But the there's something weird with Wallpapers. As long as I use a wallpaper from the /usr/share/backgrounds folder (I use the "appearance" dialog ...
2
votes
2answers
2k views

why am i not getting my ubuntu 12.10 login screen back after uninstalling xubuntu 12.10?

I installed xubuntu, then uninstalled it completely, but I am not getting my original log-in screen back. It's a simple log-in screen with the computer's icon, user name, password and session details ...
2
votes
1answer
236 views

unity greeter not showing selector

i have installed gnome3.7 from gnome3 ppa and i have removed evolution using sudo apt-get remove evolution* and accidentally it removed gnome, gnome-shell and bunch of other things and now when i ...
2
votes
4answers
19k views

“the system is running in low graphics mode” I get this message when I boot my ubuntu

I had got into a serious problem while solving my the system is running in low graphics mode using this link. This guy and I have almost same Nvidia card. Mine is just bit more newer, so when I was ...
2
votes
1answer
173 views

Launch a program when X starts

I want to launch a program when X (not unity/gnome/etc) starts. In particular, I want to launch xset r 105 when lightdm starts. Is there a way to do it? I tried writing this into ~/.xsessionrc: ...
2
votes
2answers
1k views

how do I remove the last connected users from the lightdm greeter list

With gdm3, I was able to remove the last connected users from the list by removing the file '/var/log/ConsoleKit/history' With lightdm, the last users appears even when : removing ...
2
votes
1answer
210 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
votes
1answer
303 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
1k views

Change LightDM session name entries for Desktop Environments?

When using LightDM, sessions, (not usernames) are named in a way I would like to change, for example, Ubuntu is Unity 3D, and I would like to name it that way, the following to: Ubuntu 2d to Unity ...
2
votes
2answers
2k views

Ubuntu Wont Login

I have Ubuntu 11.10 installed... for some unknown reason it wont log me in. entering the password returns me to the login screen immediately i googled for solution and applied the following and yet ...
2
votes
2answers
11k views

Monitor not detected - low resolution only

I just installed Ubuntu 11.1 on my desktop pc. It was a clean install, no upgrading. I have a Samsung Syncmaster BX2450 connected to the PC. My problem is that I cannot make Ubuntu recognize my ...
2
votes
1answer
346 views

Is “gdmflexiserver” part of the default installation?

While playing around, I discovered a folder in my $PATH that I did not recognize: $ echo $PATH /usr/lib/lightdm/lightdm:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games $ ls ...
2
votes
1answer
1k views

LightDM is missing Gnome Shell icon

the Icon of Gnome shell is missing from lightDM.. I had to manually add Gnome Shell to lightDM because it didn't install properly on my machine. now I don't now how to add the Icon to lightDM. Im on ...
2
votes
2answers
218 views

Not able to login with LightDM

I am using Ubuntu 13.10 with Unity desktop. Unfortunately I am not able to log into my desktop. After entering correct password it keeps looping back to login. Could you please help me to sort out ...
2
votes
1answer
306 views

Switching between console and GUI in ubuntu

When in GUI mode, is there a CLI commands that kills the GUI and drops me into the console? When in CLI mode, is there a CLI command that drops me into the GUI? I found startx, but this drop me into ...
2
votes
2answers
190 views

How do I restore Boot GUI and Login of Ubuntu 13.10 to the original?

Okay, so I installed a few extra desktop environments, one of which was the Xubuntu pack, and it replaced my login screen and Boot GUI as mentioned. I made the mistake of trying to purge Lightdm and ...
2
votes
3answers
2k 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 ...
2
votes
1answer
1k views

Default login screen missing, how to revert?

I installed some KDE stuff by mistake. After removing it, my login screen now is quite different; has a white background and the user icons+input appear in the centre. [note that I have tried sudo ...
2
votes
1answer
370 views

Ubuntu 12.04 boots to login screen but (I think) X.org crashes on login. Help Appreciated! [duplicate]

I've been running Ubuntu 12.04 since it's debut in 2012 without a single problem. Today I just ran sudo apt-key update && sudo apt-get update and then I rebooted my computer. After rebooting ...
2
votes
1answer
165 views

Background missing in loginscreen and in guest session.

Yesterday I followed this answer on "How do I add customized wallpapers so they appear in the dynamic unity greeter?" to make my wallpaper appear in the login screen. But instead of only changing the ...