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Manager (GDM) is a program which used to provide Ubuntu's graphical login screen until Ubuntu 11.10; since then it has been replaced by LightDM.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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How to switch off gdm?

Because after update - gnome and gdm are not working, and I need to switch off gdm as display-manager. Now am logged in with bodhi-linux ... how can I disable gdm for to log in into ubuntu to proceed ...
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29 views

Lightdm is giving me “The system is running in low-graphics mode”

I was trying macbuntu on Ubuntu 15.10 and due to some bug in it, i wasn't able to login into the system as login screen was coming again and again even after feeding in the right password. So, i ...
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2answers
110 views

Email on failed login attempt?

I was wondering if it is possible to set it up in such a way that on a failed login Ubuntu will send me an email? And of course if the computer is not connected to the internet when the attempt ...
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1answer
32 views

Why am I getting gdm and a bunch of packages in the list of apt-get autoremove?

Of late, I've done a lot of configuration changes on my Trusty laptop (14.04 LTS). Firstly, I installed gnome-shell, did all updates and migrated to the LTS enablement stack. After that, I added the ...
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55 views

Change the login screen theme in Ubuntu Gnome 14.04

Can anyone show me a way to change the default login screen theme with the ones available at http://www.gnome-look.org ? For eg, this http://gnome-look.org/content/show.php/HexLogin?content=169840 ...
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17 views

Cannot update /var/lib/gdm/.ICEauthority after restoring /var directory

I have tried the following for getting this error fixed. Boot into "Recovery Mode". Input the root password for maintenance mode. Go to the /var/lib/gdm folder (cd /var/lib/gdm). Remove the ...
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62 views

Cannot make it to login (gdm/lightdm bugs) after Nvidia driver update tentative

I used my girlfriend's computer which runs on Ubuntu 15.10 (wily) and wanted to update the Nvidia GPU. I did install the last driver released on the Nvidia website corresponding to this Geforce GT720. ...
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27 views

Ubuntu 15.10 Alt Above Tab shortcut for Guake

I can't get Guake to use <Alt>Above_Tab (or "`", or sometimes called tilde?) for hide/show shortcut. I first disabled the original actions of both <Super>Above_Tab and <Alt> ...
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1answer
50 views

How to make GDM have a limit of incorrect password attempts before action is taken?

I am currently running Ubuntu GNOME 15.10 with GNOME 3.18, though I used to (a long while back) run Windows 7, and though Ubuntu is better in most ways, there is still a feature lacking or at least a ...
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2answers
66 views

Ubuntu 14.04 stuck in login loop after update, nothing seems to help

I updated my ubuntu 14.04 after it was being unused for 4 months. The updating took enormously longer time than usual, and after that the computer was very slow. I rebooted the computer and now I ...
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20 views

Won't suspend-screen locks with black screen and cursor

When I leave my computer alone and the screen blanks after X minutes. Then instead of going fully blank, then suspending after the set time I'm left with a black screen with my cursor. If I touch the ...
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1answer
46 views

15.10 lightdm broken - gdm works

After some updates to my system lightdm seems to be broken (can't get a session with lightdm to work, always ending up in low graphics mode at boot). If I chose gdm it however works. But I would like ...
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50 views

Using i3wm on Ubuntu Gnome 15.10

I am having trouble figuring out how to use i3wm on my installation of Ubuntu Gnome 15.10. The only way I've got it working was through stopping gdm with systemctl stop gdm in text-only mode, and then ...
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38 views

Desktop not responsive after ubuntu-gnome-desktop installation (Ubuntu 15.10)

In order to use gdm instead of lightdm I followed the instructions from this post I could then use gdm but my desktop (meaning the background area) is not responsive anymore and shows the login ...
2
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1answer
87 views

Two different login/lock screens

I have Ubuntu 15.10 installed and when I first start my computer it gives me the really nice looking ubuntu lightdm login screen but anytime I lock the computer I get the really nasty looking gnome ...
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33 views

How do I disable GDM's automatic screen locking *after a virtual terminal (VT) change*? It's too buggy and never works correctly

Every so often either my touchpad stops behaving or some program (Firefox or QEMU) freezes my system and I have to switch to a virtual terminal to fix it (merely switching to a VT and back fixes the ...
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9 views

how do I stop gdmdisplay

I am getting about 65000 log entries per hour from gdm. it generates the standard message: WARNING: GdmDisplay: display lasted 0.050808 seconds We do not use gnome on this machine and I want to get ...
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2answers
58 views

How to make 4 equally sized windows in corners of screen in GDM?

I recently saw this answer to a great question, and I wondered, is this also possible on Ubuntu GNOME 15.10 with GNOME 3.18 and GDM, as well as on Compiz as the answer to that question shows? But the ...
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58 views

Lightdm not working properly in Ubuntu 14.04.3

Recently I installed ubuntu-gnome desktop and then purged the same after trying and I have chosen my default desktop manager as lightdm and there is nothing like gdm as I have purged it also.The ...
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17 views

Black screen with cursor after login ONLY FOR ONE USER

When I login in to gdm, I get a black screen with just a cursor (tested, stays for 10 mins). However, I made a test user and I can log into that account without any problems. I use nvidia-restricted ...
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1answer
55 views

How to disable 'Tap to click' on the login screen

Due to lots of chocolate cake getting into my computer my touchpad doesn't work very well (along with the rest of the computer) any more, so I have disabled 'Tap to click', however this seems to have ...
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1answer
51 views

On screen keyboard for locked screen

As I am having some trouble at the moment with the locked screen and entering my password, I was wondering if there was some sort of on screen keyboard which could be displayed to me on the locked ...
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11 views

Is log-in back into (encrypted) installation possible?

Here is 15.04 with encrypted home-partition and because of system-d I was kicked out of gdm and then I was not able to log-in back into desktop. So then I changed the password to an empty password ...
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1answer
155 views

yoga 2 pro won't boot after update to ubuntu 15.10/ GDM

After upgrading to Ubuntu 15.10, my mouse pointer was no longer visible. As a remedy, I installed GDM as suggested in some posts here. That worked, but now (first full boot after installation of gdm) ...
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1answer
4k views

gdm not working with Ubuntu 15.10

I just upgraded to 15.10, and everything went smoothly. One of the first things I did was install gnome-shell, and switch from lightdm to gdm. However, when I restarted, after an initial purple Ubuntu ...
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76 views

gdm and fluxbox on ubuntu 14.04

unable to run fluxbox with below package installation on ubuntu 14.04. I have mini iso installed ubuntu 14.04 running on embedded board. I am trying to configure fluxbox with below minimal package ...
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1answer
18 views

Building custom live Ubuntu Gnome 3.12.2 based, only for GDM: authentication failure

I'm building a custom live Ubuntu Gnome 3.12.2 based, Only if I create a new user, set password and add him to sudo group, setting by dpkg-reconfigure GDM ad default greeter, obtain a black screen ...
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1answer
24 views

GDM fails to launch xfwm4, but lightdm succeeds?

I use GDM and usually run an XFCE4 session. Suddenyl, if I attempt to boot in using GDM, the following symptoms appear> 1) the GDM background does not go away 2) windows from two applications (remains ...
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24 views

Display legal banner before (graphical) login

I'm using Ubuntu 14.04, and want to have a legal banner displayed before login in. This was possible with older versions of GDM. I tried to do it in lightDM but did not succeed, and GDM 3.10 for ...
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1answer
155 views

Ubuntu gnome slow boot (over a minute), 15.04

I am experiencing some unusual booting times in my gnome environment. I have ran bootchart and dsmeg but I am not sure what to extract out of it. Here's the dsmeg log at about the time the timestamps ...
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285 views

X server started with “-nolisten tcp” in spite of DisallowTCP=false in /etc/gdm/custom.conf

I need to configure a X server in Ubuntu 15.04 gnome which should listening for remote connection on port 6000. I configured my gdm as per askubuntu question: How to make X.org listen to remote ...
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115 views

Can't logout if autologin is enabled on ubuntu 15.04

When I try to logout, this screen appears. I can login again by restarting gdm (version 3.16.1.1) from a TTY. I'm running gnome 3.16.3 but I tried on Unity and it's the same problem. Last line: ...
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76 views

Black screen/Distorted image on screen when laptop lid open Ubuntu 15.04 GDM (No any previous answer helped me)

I get black screen or distorted image when i reopen my laptop lid. I am using Ubuntu 15.04 Gnome version official download. My laptop Lenovo Z-5070 & also i get nothing when i pressed CTRL + ALT ...
3
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1answer
146 views

User switching broken in 14.04

I just upgraded to 14.04. I have an nVidia graphics card and am using the nVidia driver (proprietary, tested). I am using gdm as I don't light the look of lightdm (also, I have two monitors and it ...
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157 views

Gnome GDM with nvidia driver + intel graphic problem

I have a problem with GDM (in lightdm i dont have this problem), when i install the nvidia drivers, if im in lightdm display manager i can search in hardware details my graphic card, but when i change ...
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46 views

Gray background at login

The background of my login screen is always gray. I installed gdm as my login manager after seeing my wife's login screen. The gdm login screen is cool-looking IMHO so I asked ASKUBUNTU how to get ...
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138 views

How to get XScreenSaver to lock screen on wakeup on GNOME?

I am wanting the same thing as I did here XScreenSaver Lock Screen, except for now that I am running Ubuntu GNOME 15.04, with GNOME Shell, and GNOME 3.16, things are slightly different, as the answer ...
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81 views

Get nvidia driver to work in gdm OR fix workspaces in lightdm

I have a lenovo with two GPUs, intel and nvidia. The problem is that if I set gdm, the driver doesn't work, and I can't switch to high performance mode. If I change gdm and select lightdm, that ...
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70 views

Ubuntu 15.04 Upgrade / LDM Issue / 219 / Black Screen

I am kinda a new in Linux/Ubuntu and the problem which I am facing now is way above my skill/knowledge: After upgrading Ubuntu from version 14 to 15 I cannot run my OS. It seems that the issue is ...
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90 views

Blank screen & Unable to use tty1

I have this strange problem on and off; I have experienced it 3 times in the past 4 months. I have Ubuntu 14.04 on a SSD external drive which I always carry it with me to use my system in any of my ...
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39 views

Smart lock like on Android?

Is it possible to configure either LightDM or GDM to automatically log in when my laptop is connected to a certain WiFi? Or even better, to check my location regardless of what WiFi I use?
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97 views

Gnome 14.04 NVIDIA Driver issue

I was using Ubuntu with Unity and lightdm, where the NVIDIA driver did work, before I switched to the Gnome flavour. Now the issue I'm facing is that I can no longer use any NVIDIA driver with my ...
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0answers
22 views

Can't log in to Gnome after disk clone

I recently cloned my hardisk containing my /home partition and have now started booting via the clone. Unfortunately when I log into Gnome I am booted back to the login screen after about 10 seconds. ...
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0answers
82 views

Ubuntu 12.04 suddenly only boots into tty1

I've read through about 20+ threads where others had the same thing happen, however NONE of the solutions I found worked for me. Some were not even possible to try or didn't apply. I'm really stuck ...
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123 views

Ubuntu 15.04 - Buggy gdm? Cannot type passphrase, input devices aren't detected

Before going, I updated my Ubuntu 15.04 (with Gnome shell, if that matters) laptop and it said some problems were encountered. In the past, I simply ignored it and went back to work, as I did last ...
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75 views

Can you have a desktop environment without a display manager?

The following article nicely explains the differences between a display manager, a window manager, and a desktop environment: What is the relationship between Unity, Gnome, Gnome 3, Compiz, Metacity, ...
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1answer
188 views

Gdm with nvidia-331 and nvidia-prime causes a black screen at boot

I'm on an Asus UX51vz laptop, which has RAID0 SSD's and an nvidia 650M graphics card. I installed lubuntu instead of ubuntu-gnome because lubuntu still has a RAID0 compatible alternate install ISO. ...
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0answers
593 views

Stuck at “starting version 219” on Ubuntu Gnome 15.04

I know this question has been asked before, but I have tried the solutions, and they have not worked. First, I found this website about it. I tried the solution it gave: sudo systemctl enable ...
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131 views

Ubuntu 14.04 GDM Login Banner, with User List Disabled

I've seen several posts and absolutely no replies (or rather few helpful ones -- even seen a few stating to "use LightDM") on this issue. We use GDM instead of LightDM due to a bug/feature in LightDM ...
2
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1answer
138 views

Stuck on splash screen, does not progress to login manager

My login manager stopped loading, for no apparent reason, instead tty7 was a black screen I could type into but with no effect. I tried several variations of service lightdm restart service sddm ...