The greeter (login screen) application for Unity. It is implemented as a LightDM greeter.

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1
vote
1answer
105 views

How can I make lightdm scale on a hidpi screen?

I have a laptop with a 3200x1800 screen. When I start up my laptop, lightdm doesn't scale to the resolution and looks tiny. When I lock the screen afterwards, lightdm scales and looks fine. I found ...
2
votes
1answer
6k views

Xubuntu 12.04: Use unity-greeter and set user background automatically

on a fresh Xubuntu 12.04 Installation i have set greeter-session=unity-greeter in /etc/lightdm/lightdm.conf. Also I have installed unity-greeter gnome-settings-daemon. Now I want to change the ...
6
votes
5answers
3k views

rotated monitor. login screen needs rotation

I rotated my screen, an once I login, it works fine. but, the greeter (login) screen hasn't got the message that things are rotated 90 degrees. How can i change the rotation of the login screen? ...
0
votes
0answers
113 views

I see gnome-screensaver lock screen instead of unity one. What happened and how to fix it?

For a long time in 14.04.1 LTS I see gnome-screensaver lock screen instead of unity-greeter (or which one is the latest and greatest?). I've already tried to dpkg-reconfigure lightdm and ...
2
votes
0answers
38 views

Can this error cause computer to reboot

There are 11 computers in my classroom. Yesterday they began to reboot randomly, all of them. I reinstalled Ubuntu and got this error everytime. Also, after reinstalling the rebooting continued. Can ...
0
votes
1answer
25 views

14.04: When changing the default desktop environment to to Gnome Flashback Compiz, and reboot I get a 'The system is running in low-graphics mode"

Following this tutorial, I managed to change the environment from "unity-greeter" to "gnome-fallback-compiz" and then I rebooted and I got this: Yeah, and all the options are pretty much useless to ...
3
votes
5answers
1k views

Restore Unity Greeter

I've installed XFCE to test this desktop environment, but when I decide to switch back to Unity, uninstalling the XFCE packages, the LightDM keeps equal like XFCE, and I want to restore the Unity one. ...
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
2answers
6k 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 ...
-1
votes
1answer
54 views

ERROR Code: Unity on 14.04 would not load

Unity 14.04 is failing to load after an upgrade from 12.04. I think it is because it was an incomplete upgrade and there was some errors. I finally got it to recognize me and let me login into Unity ...
-1
votes
1answer
30 views

Unity-greeter won't let me login

Due some login problems; i just remove and reinstalled unity-greeter successfully, but now I cannot login in graphic mode with the default user I already had, does anyone knows why is this ...
0
votes
1answer
57 views

Unity Greeter starts with a black output Screen

The unity greeter in my Ubuntu 14.04 laptop starts with a black output screen. When I say this I mean every error and output of the greeter is printed on the screen but the GUI is not visible. What I ...
0
votes
0answers
45 views

Plymouth skipping

I have set up a background image for grub.And I want that background image to be present during the loading stage of Ubuntu as well.Basically when plymouth is usually doing its job.Basically no ...
0
votes
0answers
21 views

exlude users from display manager [duplicate]

I just did a fresh installation of Ubuntu 14.04. To not break anything, I created the default user during install, but I neither need nor want it. I added my usual users (UIDs > 10000), which work ...
0
votes
0answers
56 views

Disable fade in/fade out visual effect of unity greeter?

Is there a way to remove the fade in/fade out effect of unity-greeter? I still want to use the unity-greeter, but without this effect.
0
votes
1answer
84 views

How to go back to default ubuntu greeter?

I setup my PC from a Xubuntu iso file. After a while, I decided to install the ubuntu-desktop package to switch to Ubuntu. When I turn on my PC, the greeter I get is the same that came with Xubuntu. ...
131
votes
37answers
372k views

How to fix “The system is running in low-graphics mode” error?

Note: This is an attempt to create a canonical question that covers all instances of "low-graphics mode" error that occurs to a user, including but not limited to installation of wrong ...
5
votes
5answers
17k views

How do I set the LightDM wallpaper in Ubuntu 14.04?

In previous versions of Ubuntu, picking one of the default wallpapers meant that you saw it on the login screen as well. I am now on a clean install of Ubuntu 14.04, the LightDM wallpaper appears to ...
1
vote
0answers
77 views

Suspend causes login screen corruption or system freeze

At work, I often set my computer to "Suspend" rather than turning it off at the end of the day. Often when I turn it back on in the morning, I find my login screen to look like this: Note that, ...
2
votes
2answers
122 views

Where is Ubuntu's drum roll sound located?

Where is Ubuntu's logon sound (Triple Drum Roll) located? It plays right when you see the Unity Greeter? When I searched up for the startup/login sound, which is what I thought it was, I got results ...
3
votes
1answer
263 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 ...
2
votes
0answers
63 views

Why is Lubuntu default desktop environment

So I just wanted to try things out on 14.04, so I did sudo apt-get install lxde sudo apt-get install lubuntu-desktop When I get to the greeter, it reads Lubuntu (Default) Lubuntu Netbook LXDE ...
0
votes
0answers
22 views

How to log in locally via Unity after joining computer to a domain

I just joined my computer to a Windows domain. There is an option to assume the default domain so the user doesn't have to enter domain\username -- instead they just have to enter username and it ...
0
votes
0answers
19 views

Lightdm password image miss-functioning

How may I fix lightdm password zone image when it's like overlapted or not being shown properly...see this: (no reputation to show image)....Password zone of lightdm looks gray colored so as a result, ...
1
vote
2answers
1k views

Why I get “No Vala Compiler Found” while compiling?

I tried to install Unity Greeter (unity-greeter_0.2.8.orig.tar.gz) to my Ubuntu 12.04 system from source. But after enter ./configure in terminal, following error appeared:
4
votes
4answers
2k views

12.04 desktop login loop

I installed 12.04 from CD in a partition where 8.?? had been working. The installation appeared fine but Ubuntu booted to a black screen. After updating packages and fighting with nvidia drivers for a ...
0
votes
1answer
218 views

How do I enable/disable guest account in Trusty 14.04.1

Only my user is shown on greeter, guest is not, my wife is not. This is a system I reinstalled from 12.04-i386 to 14.04-amd64, reformating all but /home. Even a user created from Trusty won't show on ...
0
votes
0answers
111 views

Unity greeter wallpaper missing

After following this guide, whenever I use a custom wallpaper (one that is not from the official wallpapers), the background of the login screen shows only purple instead of my wallpaper. However, if ...
0
votes
0answers
51 views

Can't set unity-greeter background on 12.04.1

I used Ubuntu Tweak to customize the login screen. Changed the background settings, so it used desktop wallpaper as login screen background. It worked at first but then I selected a custom wallpaper ...
3
votes
2answers
1k views

How to restrict an user to a specific desktop environment

I'm running a more or less standard installation of Ubuntu Precise 12.04 and I am quite satisfied with doing everydays task with Unity desktop environment. When it comes to playing, however, I feel ...
1
vote
0answers
130 views

unity-greeter login background won't change according to the user that is highlighted

I use Ubuntu 12.04. Recently, I change to use another Accounts Service which could remove certain users from the graphic login screen of unity-greeter. I downloaded source code from a branch of ...
47
votes
14answers
40k views

How do I change the wallpaper of the login screen?

I would like to set the wallpaper in the login screen (Unity Greeter), how do I do that?
1
vote
2answers
3k views

How to change the default Desktop environment (That appears in the greeter) in 14.04

Previously I navigated to /etc/lightdm/lightdm.conf and changed user-session=ubuntu. lightdm.conf doesn't exist in Ubuntu 14.04 at that location, so how do I change user-session=ubuntu to something ...
2
votes
1answer
359 views

Only a purple background displayed during the login screen. No wallpaper

I get only a purple screen for the background during login. Not even the default warty background. Its been like that since I installed Ubuntu. Ever since I came to know about the background of the ...
1
vote
0answers
572 views

Ubuntu 14.04 start error

After a few days in a fresh XPSP3/Ubuntu 14.04 dual boot intallation I started to get this error: Executable Path /USR/SBIN/UNITY-GREETER . This happens every time I start ubuntu and sending a error ...
0
votes
1answer
69 views

Login screen is disfigured

This is the second time I see it this way when I startup my machine. You can see that the screen is not fully utilized. Ubuntu's screen starts from the top-left, but doesn't fill the whole screen. The ...
9
votes
2answers
2k views

How do I remove the shutdown button only on the login screen?

I don't want anyone to be able to shut down my computer from the login screen. Can I remove the shutdown button at the top right corner of the login screen in Ubuntu 12.04?
0
votes
0answers
340 views

Installing unity-greeter on 13.10

While installing unity-greeter-14.04.6 from Launchpad.. when run ./configure it shows some error and does not produce makefile configure: error: Package requirements ( gtk+-3.0 gdk-x11-3.0 ...
0
votes
1answer
71 views

ubuntu 13.10 - not prompted for login at start up

Mostly - oddly not every time - when I reboot, or start up my laptop, I am not prompted for a password; it goes straight into my desktop. I don't like this one bit. There are other users on my laptop, ...
1
vote
0answers
58 views

How do I change the appearance of the Unity greeter? [duplicate]

Is there any way to change the appearance of the Lock Screen on Ubuntu 13.10 (unity)? At current its simply a black screen with a tiny clock on the upper right corner. I would like to change this to ...
26
votes
3answers
5k views

Can I run Steam as its own standalone session?

I would like to run Steam in a standalone mode so I don't have to load a desktop and then run Steam. I just want 100% of my resources dedicated to the game. Ideally it would just be a Steam session ...
1
vote
4answers
2k views

Unity-greeter black screen on 13.10

I've recently installed ubuntu 13.10 64bit on a desktop (UEFI mode). After the plymouth splash i get a black screen. After some experiments I found a temporary solution: switch back to tty1 and ...
0
votes
1answer
2k views

lightdm/unity-greeter wallpaper will not set

I am trying to set the wallpaper on my login screen, but i cant seem to get anything to stick. I have used gsettings set com.canonical.unity-greeter background '/path/to/pic.jpg' as user 'lightdm'. ...
1
vote
1answer
559 views

Edit the Unity-Greeter theme

I am trying to get rid of some of the indicator icons on the Lightdm login screen (or maybe just get rid of everything). No luck so far. The file I am editing is @ ...
0
votes
0answers
752 views

How to change Login-Screen Background on 13.10 [duplicate]

I tried it with gsettings and was able to deactivate the grid and disable the user backgrounds. But changing the background didn't work, now there's no background shown. The background-picture is in ...
0
votes
1answer
205 views

Can't compile unity-greeter-13.04.1 on Ubuntu 12.04

I downloaded the unity-greeter-13.04.1 from https://launchpad.net/unity-greeter. Now I want to compile it to able to install it on my Ubuntu 12.04. But I face below problems while compiling: ...
-1
votes
1answer
86 views

how to let ubuntu promt my password on the greeter screen instead of the keyring promt?

I want to type my password on the greeter screen instead of the keyring promt, because this can simply be dismissed. please correct me if I'm wrong, and sorry for the horrible english
0
votes
1answer
276 views

How to get rid of light desktop manager entry in Ubuntu greeter [duplicate]

I've got a "light desktop manager" entry in Ubuntu greeter for some strange reason, and I can't get rid of it. As the current OS is Ubuntu 13.10 the way to configure the lightdm greeter is rather ...
0
votes
0answers
37 views

Another way to fix “The system is running in low-graphics mode” error? [duplicate]

I began having the infamous "system running in low graphics mode" error after my daughter turned off the power so she could boot into Windows. Looking at the lightdm log in in /var/log/lightdm/ ...
8
votes
3answers
3k views

How to change the font in LightDM

I want to change the font in LightDM (Ubuntu 12.04 default login screen) but the unity-greeter.conf file is in blank. Thank you.