GNOME Display Manager (GDM) is a program which used to provide Ubuntu's graphical login screen until Ubuntu 11.10; since then it has been replaced by LightDM. You may still install it manually if you prefer, however.

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26
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5answers
10k views

How to make the lock screen look like the login screen?

Is there any way to make the login screen from a locked session (either by using Ctrl+Alt+L or from a screen timeout) look like the login screen when you're starting a new session? I hate that ...
7
votes
2answers
17k views

Remote login with graphical display manager (GDM, LightDM)

Is it possible to remotely (via ssh) make a login to GDM? I'll explain a situation in which I'd need this: I'm on my laptop and connect to my desktop via ssh. I realize there are some updates ...
10
votes
0answers
5k views

How to disable login sound? [duplicate]

Possible Duplicate: How do I disable the drum beat sound on the login screen? How do I disable the login sound? I have tried all guides on the internet I can find, but they are for ...
1
vote
7answers
6k views

Resolution issue causing login screen loop

My ubuntu (version 10.10 I think) is stuck in loop at the login screen. Looks like it could be a resolution issue. - I have an nvidia graphics card (gs 8400). I previously had it connected to a 19" ...
16
votes
5answers
187k views

How does one exit the X server?

The command sudo service gdm stop would successfully disable the X server in Ubuntu 11.04 temporarily. However, this same command no longer works in Ubuntu 11.10, because "gdm" is an "unrecognized ...
25
votes
1answer
5k views

How do I replace the desktop by an application?

Sometimes it may be needed that a user only has access to a certain application. Running the desktop environment then may be unwanted be it either for security reasons or for acchieving a better ...
35
votes
6answers
24k views

How to hide users from the GDM login screen?

I have recently added several new users, that I need for qmail. Now they appear in the box in the login screen and clutter it, and I have to scroll to find my user. How can I hide those users from the ...
21
votes
8answers
10k views

How can I change the login screen theme in GDM?

How can I change the Login screen theme? Is there a graphical way or no?
17
votes
3answers
13k views

How to get the GNOME 3 login manager installed?

I was wondering if it is possible to get the GNOME 3.2 GDM login theme working on Ubuntu 11.10. I installed GDM alongside LightDM, but the GDM greeter is really ugly.
8
votes
2answers
13k views

How can I replace LightDM with MDM?

Linux Mint Cinnamon 1.4 released with "MDM display manager". It is based on the code of GDM2.20. It provides: Graphical configuration tools Themeability Remote, automatic and timed login Event ...
8
votes
4answers
22k views

How to install the full GNOME desktop as close to upstream as possible?

Just like the title says. I don't want just Gnome Shell I want to know how to install the whole entire desktop, with the latest GDM(not the 3.0.4 currently in the repos), all the default apps, all of ...
50
votes
2answers
57k views

What's the difference between GDM and LightDM?

What is the difference between GDM and LightDM? How can one switch between them. I mean if I have selected LightDM during installation process, will I be able switch to GDM?
4
votes
1answer
16k views

How to change from GDM to LightDM?

I've upgraded to 12.04. My upgrade didn't go as expected; X crashed at the middle of the upgrade. I had to install many packages manually. This left me with a GDM login screen. How do I change from ...
12
votes
2answers
24k 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)?
8
votes
3answers
3k views

How can I remove “Ubuntu Netbook Edition” option from the GDM session menu?

I was trying out Unity and then I uninstalled it but there is still an Ubuntu Netbook Edition option in the GDM session list. Accidentally clicking on that causes the user to log in to a broken ...
4
votes
1answer
2k views

How to configure splash screen after plymouth

I have configured my splash screen for plymouth - and it works perfectly. I've also configured the display manager (I'm using gdm). In between these two I get a very brief splash screen - a kind of ...
1
vote
0answers
570 views

Ubuntu Opens in Black Screen Using Lightdm But Working When Using GDM

Last time I installed lm-sensor (a package to know CPU Temperature) and restarted my system. $ sudo apt-get install lm-sensors $ sudo sensors-detect $ sudo service module-init-tools ...
16
votes
3answers
8k views

Multi display issue with Ubuntu GNOME 14.04 [closed]

Fresh install of Ubuntu GNOME 14.04 with 3 displays (fglrx driver). I can correct the screens order in System Settings / Display but it is not saved when I close the session and reopen it. Screens ...
3
votes
3answers
23k views

How to restart only missing/invisible mouse pointer/cursor?

For some reason, the mouse pointer on my Ubuntu 10.04 PC disappears after the computer is woken up from suspend. That PC is missing a keyboard, so I can fix this by logging via ssh, and issuing: ...
8
votes
3answers
4k views

Starting a guest session from the login screen

I was wondering what is the best way to start the guest session from the login screen (GDM). Currently, I created a new user called 'ubuntu-guest' (has to be something other than 'guest'). Then added ...
28
votes
5answers
1k views

How can I change the order of the users in the login screen?

I have several user accounts on a machine my mother uses most of the time. How can I sort the users so that her account shows up first in the list?
2
votes
4answers
3k views

Changing the login screen design? [duplicate]

Possible Duplicate: How can I change the login screen theme? How do I change how the login screen looks in Ubuntu 11.04? I want to change both the background and the design of the grey ...
6
votes
3answers
18k views

How to change the screen resolution for the GDM login screen?

I use a login list with faces and the icons and text are tiny in GDM. Is there an easy way to change the resolution of the login screen? I'm currently using 10.04 Lucid.
5
votes
8answers
21k views

12.04 hangs at “checking battery state”

My 12.04 system hangs at "Checking battery state". At this stage, no commands work eg: Ctrl+Alt+f1, or Alt+f5. I ran recovery mode, and ran the following commands: sudo mount -o remount, rw / sudo ...
4
votes
1answer
998 views

GDM session list borked

I must have done something especially stupid, but I observe the following behavior: When I start gdm, I see the "Warning: unable to load /etc/gdm/custom.conf: file not found" message. My GDM ...
3
votes
1answer
857 views

GDM killed on startup

In order to fix a sound issue, I'd completely removed all PulseAudio packages, which removed several additional packages which I hadn't kept track of. I have since added back several packages that ...
6
votes
3answers
2k views

On screen keyboard malfunctioning on login screen

The problem is the login screen is divided into two showing a onscreen keyboard like thing in the left side and the same magnified in the other side. Also it is giving the error message as ...
5
votes
1answer
8k views

Disable auto-login from the CLI

After successfully installing Ubuntu and logging in to the Unity desktop, I followed the prompts to enable the proprietary display drivers. After rebooting, the Unity desktop is now entirely ...
4
votes
2answers
11k views

How to load graphical display manager when booting?

The thing is my Ubuntu 11.10 does not boot properly, each time I try to boot, the Ubuntu logo appears for a brief time, a very small loading happens, then a black screen appears with things like the ...
3
votes
1answer
2k views

How do I make GDM use the upstream GNOME theme?

I have installed GNOME 3.4 And according to Gnome 3.4,when i reconfigure my display manager to GDM i should get a login screen like this- But when I reconfigure my display manager to GDM my ...
2
votes
2answers
2k views

Login screen problem, boots into text mode instead of GDM [closed]

I cannot enter to the normal Login interface. If I do it will enter into tty1 mode. I just can enter using recovery mode. How can I solve this problem? This happened 3 month before and after I just ...
1
vote
1answer
2k views

How do I get back the Unity login screen after installing gnome-core?

I installed gnome-core and now I have an ugly login screen. I want to reset or delete gnome-core and re-install the Unity login screen, or just switch back to LightDM. Is there any way to do it easily ...
0
votes
1answer
651 views

2.6.35-28 kernel update breaks Xorg [closed]

After I updated to 2.6.35-28, my Plymouth graphics still works, but when the system tries to launch X11 and GDM, the screen would flicker several times and it will fall back to TTY. In the TTY ...
7
votes
4answers
17k views

How to disable GDM from being automatically started?

After Ubuntu Server 12.04 installation, I installed Xubuntu just to have a minimal GUI: sudo apt-get install x-window-system-core sudo apt-get install --no-install-recommends xubuntu-desktop gparted ...
19
votes
8answers
21k views

How do I disable GDM and Graphical User Selection?

The new Ubuntu features a completely unkillable gdm. Is there a way to disable it? It is not enabled in services , the gdm startup script is deleted , it is removed from 'update.rc' but it still ...
13
votes
1answer
22k views

How do I make GDM the default display manager?

I believe my question says what I am trying to achieve. Steps I tried to make gdm my default display manager: sudo dpkg-reconfigure than select gdm as my default. Edit ...
6
votes
1answer
1k views

What's the state of multi-seat in 10.04 Lucid?

Ubuntu used to support multiseat (that is multiple monitors, multiple keyboards and mice, all hanging off a single computer) pretty well once upon a time. Support wasn't an official feature but gdm ...
4
votes
4answers
34k views

How do I kill the x-server?

Every time I try to kill the x-server, sudo service lightdm stop so that I can install the latest Nvidia drivers, I get an error message. stop: Unknown instance: What am I doing wrong?
4
votes
6answers
14k views

Login problem (the login screen shows again)

I upgraded to 10.10, but i can't login to gnome. The login screen shows and i choose myself. Then the screen goes black, and the login screen shows again.
3
votes
1answer
2k views

How do I switch back to GDM and have it launch at boot?

So I got rid of Lightdm but how do I get GDM to launch at default. It hangs on "checking battery state" this is in virtual box if that matters. I want GDM login to load by default instead of me ...
3
votes
1answer
5k views

How to set gtk-style and background in GDM3

I'm triyng to set a different GTk-theme and background for GDM3 (using ubuntu 11.04 and GNOME3 PPA). As far As I have seen, the GTK-theme used by gdm is exactly the one stored into Gsettings > ...
2
votes
2answers
1k views

Disable GDM on ubuntu netbook remix

I'm running Ubuntu Netbook Remix 10.10 (on a pandaboard), and it doesn't boot with grub (so I can't pass it the 'text' parameter at boot time). How do i disable gdm so it doesn't start at boot? ...
1
vote
8answers
2k views

Keyboard layout reverts at every boot

I am using 12.10 with Gnome 3. I changed LightDM to GDM. When I boot up keyboard layout changes to default US layout. When I add another layout to end of list at Region settings my selected layout ...
1
vote
1answer
682 views

Macbook Pro 8.1 Keyboard Backlight on Ubuntu 11.04 With KDE

Can anyone tell me how to enable my keyboard's backlight? It works fine using gdm and Unity. I recently installed kde 4.6.5 and started using kdm, everything works fine as in unity, only my keyboard's ...
7
votes
1answer
3k views

How do you add a new window manager to the gdm menu?

So, I've been having trouble finding a definitive answer on how to do this. I've compiled and installed a window manager that is not available in the ubuntu package repositories, and now I'm ...
5
votes
1answer
375 views

How do I set up automatic login?

How do I get 10.04 (Lucid) to log me in automatically on each reboot?
4
votes
2answers
983 views

Can't seem to get my login screen back after installing slim

At one point I switched from GDM to slim and now I can't seem to get past the splash screen. After pressing Esc I can see that it is stuck on Starting X Display Manager: Slim. I need to get back to ...
3
votes
1answer
1k views

How to stop the login server?

With GDM removed in Oneiric, what command can I replace from the old command? sudo /etc/init.d/gdm stop I need to install an nvidia .run file and cannot figure out how to stop the server.
3
votes
4answers
4k views

How do I change the GDM Login Window top icon?

After installing xubuntu-desktop on Ubuntu 10.10, The GDM window icon changed to a blue mouse, How to I return GDM to the default Ubuntu theme/icon. I have tried the following which effectively ...
2
votes
2answers
699 views

GDM and Lightdm don't work after update; KDM is ok

After updating Ubuntu (apt-get update, apt-get upgrade and apt-get dist-upgrade) last Tuesday, GDM stopped working, and the startup hangs on the Ubuntu logo. Lightdm also don't work (same happens). If ...