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Manager (GDM) is a program which used to provide Ubuntu's graphical login screen until Ubuntu 11.10; since then it has been replaced by LightDM.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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207 views

Display issue on remote machine using GDM X11

I am remotely logging into an Ubuntu machine through SSH(MobaXterm) using Gnome desktop remote environment from my Windows PC. I am having trouble with one of our video applications in displaying ...
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601 views

How to end X session?

Is there a generic way to orderly end X session regardless of display mangager or window manager? More specifically, I use different windows managers for different users, and after reboot one user ...
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164 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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124 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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162 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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52 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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616 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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904 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 ...
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1k views

cannot click in some windows, ubuntu 13.04 64bit

EDIT: I tryed both, lightdm and gdm. ''sudo restart lightdm'' helps temporarly. I cannot click in firefox until I start something else e.g. shell. But than the mouse cannot click anything outside ...
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332 views

Getting a blue wallpaper screen with no desktop bars

I just got a linus VPS after like 6-7 months. I installed a clean copy of 11.10, and then used this tutorial to install ubuntu-desktop and get a VNC connection going: ...
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745 views

Is there a way to use LightDM and Unity but get a lock screen like GDM in 12.10?

I like the GDM locked screen theme a lot! But even if i set GDM as the Display Manager but log in to Unity session,the lock screen remains that oh LightDM... I want to use LightDM as my login Display ...
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604 views

Problems with both LightDM and GDM using DisplayLink USB monitor

When I use LightDM, it will auto-login to desktop just fine. The only problem is Compiz doesn't work, and menus don't work. I can't right-click the desktop, and I can't select program menus in the top ...
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240 views

Icewm crashes and returns to GDM if icewm-session is run

This has been happening to me ( am I the only person running IceWm?) ever since Natty was in Alpha. I installed Icewm- picking it from the GDM menu results in an almost immediate return to GDM. I ...
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10 views

gdm session without setting default

I have a locally created session to let users login to a special session at times (i've called it /usr/share/xsessions/remote.desktop). The problem is that they normally login to gnome ...
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35 views

How to fix Ubuntu from logging into weird “simple GNOME” as I call it

I was trying to fix ubuntu because the wifi was not working. It wouldn't allow me to control networking, and it said I had no privileges to so this. Lately, most of the stuff on my ubuntu OS screwed ...
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10 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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431 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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85 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 ...
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24 views

My sudoer can not login using GUI

I only have one sudoer and it can login into the terminal or through GUI terminal. But I can not use it to log into the GDM login screen. Any possible causes?
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103 views

Black Screen after login

Hello guys i just installed ubuntu 14.04 and i had a hard time full of problems anyways as i thought problems had finished i restarted after update of software and tried to login but i had a black ...
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104 views

Terminal GDM session

How would I create a session file so that when I login using GDM it just launches a terminal session (No windowing, just a plain terminal like in Ubuntu Server)?
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316 views

Stuck at splash screen when changing to GDM

After considering it for a while, I finally decided to install GNOME onto my Ubuntu 14.04 system to give it a play and see if I it was worth switching to Ubuntu GNOME. Everything seems to be fine ...
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70 views

Cannot set system default Desktop Environment

I am using Ubuntu 14.04. Recently I completely uninstalled Unity and lightdm, and installed Gnome 3 with gdm. Now I can log into Gnome Desktop by selecting Gnome from log in screen. However, if I ...
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1k views

14.04 Trusty Tahr LIghtDM No way to switch session

I installed Trusty on my laptop. I like Gnome Shell more than Unity. So I installed Gnome Shell via Software Centre. I have LightDM 1.10.0 installed on my system. Unlike the previous version it ...
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2k views

Blank screen when trying to connect to VNC

I've installed on my VPS machine VNC-GNOME to remote access the graphical system so I've my Ubuntu (V 13.10) and I did this steps but I'm getting blank screen every time I'm trying to login This is ...
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42 views

New windows open below visible one

Every time a new window is opened, gnome likes to force it below the current one so I have to go to the taskbar and restore it. I can tolerate a lot of stuff but I open new windows way too often ...
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203 views

Can't load GDM or Gnome

I've been using Ubuntu Gnome 13.10 for about 2 weeks without issue, but today, after restarting my PC, it got stuck on the Gnome splash screen. I managed to load my login screen by switching to ...
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579 views

Cannot boot normally, without restarting lightdm (or gdm)

I had a problem precisely described here: http://www.webupd8.org/2013/01/ubuntu-lightdm-black-screen-when-using.html, black screen with blinking cursor instead of login screen. I've switched to gdm ...
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39 views

Can't login to my account with neither gdm nor lightdm

What I've tried: I am able to login as myself via tty I can login as guest (graphical) Installing gdm and using that instead of lightdm (see title) ~/.Xauthority is empty and owned by me. ...
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34 views

Gnome Displa settings (primary) on ubuntu 15.10

I installed gnome today to my ubuntu 15.10 and I noticed that when I try to make configurations, I cannot set my external monitor to primary display. When I try to change "External monitor to ...
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32 views

Ubuntu 15.10 Gnome Desktop Stucks At Loading Splashscreen

Upon trying to boot Ubuntu 15.10 as usual I found it was impossible to load pass the loading splashcreen, my default desktop environment is GNOME and upon some research I have tried several approaches ...
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70 views

Windows always open very small and in top-left corner of screen, even when full-screen

I'm a very new Gnome-desktop/X developer, so please be kind! We develop a "kiosk" style digital signage product that I'm porting over to Ubuntu from CentOS-6/Gnome-2 and CentOS-7/Gnome-3. The basic ...
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35 views

LightDm fail - I can't get the login screen - Some packages can not be installed Depends libcheese7 and libcheese-gtk23

I can not get the login screen. I have tried the suggestions given in the forums, such as uninstall lightDm or gdm and install again, but it does not work. I get the following message when I try to ...
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21 views

I can't stop starting gdm with rcconf tool why?

I can't stop starting gdm with rcconf tool why? In rcconf tool it is unselected but still starting gdm after reboot? I don't know why... it is ubuntu 14.04 server amd64 Please help me
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60 views

Is there a way to use a text-based login screen, instead of clicking on usernames?

I'd rather type my username in to login than click on it. I can't, however, find a way to configure which usernames are displayed on the login screen. What's the best way to go about this? I'm using ...
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20 views

can't change from gdm and monitor swaps after login

I ran updates yesterday. This morning, the login screen had changed from lightdm to gdm (i think) and three seconds later the screen went blank. I couldn't even get to ctrl alt f1 terminal. I did a ...
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93 views

GDM not starting after installing GNOME 3 on Ubuntu Server 15.10

First thing after installing Ubuntu Server 15.10, I got all the updates and installed GNOME 3.16.4: sudo apt-get update sudo apt-get upgrade sudo apt-get install gnome-shell But after a reboot I ...
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62 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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31 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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109 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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57 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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35 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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130 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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0answers
68 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 ...
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74 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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90 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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25 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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12 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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35 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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205 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 ...