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Manager (GDM) is a program which used to provide Ubuntu's graphical login screen until Ubuntu 11.10; since then it has been replaced by LightDM.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

learn more… | top users | synonyms

8
votes
0answers
2k views

Software Center in Dark Theme Unreadable

So I am using the dark theme in gdm and the text in the software center is unreadable. I found a workaround by changing the font color from the .css as follows sudo gedit /usr/share/software-center/...
3
votes
0answers
215 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 ...
3
votes
0answers
627 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 ...
2
votes
0answers
237 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 ...
2
votes
0answers
146 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 ...
2
votes
0answers
165 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: ...
2
votes
0answers
634 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 sddm....
2
votes
0answers
916 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 ...
2
votes
0answers
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 ...
2
votes
0answers
349 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: http://www.webhostingtalk.com/...
2
votes
0answers
752 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 ...
2
votes
0answers
611 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 ...
2
votes
0answers
241 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 ...
1
vote
0answers
22 views

Ubuntu virtual terminal exits too quickly for me to type

I've been having a nightmare trying to install an NVIDIA GPU on my desktop computer (Ubuntu 14.04). I inserted the card and tried following various instructions online, but that did not work and I got ...
1
vote
0answers
50 views

lightdm and gdm not working in Ubuntu 14.04

I have a problem with Ubuntu 14.04, the graphical mode can't started in the log screen : starting LightDM display manager [fail] then I tried to use gdm, starting gnome display manager fail, i don't ...
1
vote
0answers
17 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 (/usr/share/...
1
vote
0answers
40 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 ...
1
vote
0answers
12 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 ...
1
vote
0answers
552 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 ...
1
vote
0answers
91 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 +...
1
vote
0answers
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?
1
vote
0answers
108 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 ...
1
vote
0answers
109 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)?
1
vote
0answers
353 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 (...
1
vote
0answers
72 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 ...
1
vote
0answers
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 ...
1
vote
0answers
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 ...
1
vote
0answers
43 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 (...
1
vote
0answers
212 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 ...
1
vote
0answers
581 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 ...
0
votes
0answers
60 views

Ubuntu 14.04 login loop with lightdm and gdm black screen

I came to my computer a few days ago and found a login screen. Because I have bypassed the login screen in ubuntu settings, this was very strange. I tried logging in and found that I was in a login ...
0
votes
0answers
13 views

Strange VC behavior since upgrade to 16.04

Ok, this is a puzzling thing, that I would like to understand. It seems that Virtual Consoles management is acting weird after the update from Ubuntu Gnome 14.04 to 16.04. Before, I did the login ...
0
votes
0answers
34 views

lightdm gdm and slim

I don't have a login screen. Doing sudo service slim start brings me to a login screen which then turns blank. Essentially I do enter my credentials but apparently log into nothing. sudo service ...
0
votes
0answers
22 views

Lost virtual terminals + low graphics mode

First, I had low graphics mode. I logged into tty1 and realized that i had lost sudo as well. How any of this happened I have no idea. To take back sudo, I did following in root shell using grub ...
0
votes
0answers
38 views

Boot process stopped after installing gdm

I have installed gdm to replace lightdm, but after rebooting, I am greeted by a black screen. Switching to another TTY, shows me the following message: A start job is running for Hold until boot ...
0
votes
0answers
227 views

No graphical user interface after update on 16.04

After an update from Ubuntu GNOME 15.10 to 16.04 my gui completly crashes after GRUB. If I try a normal boot, the gui freezes there, where the LVM needs the password to decrypt the systemdrive. I can ...
0
votes
0answers
205 views

Black screen after login Ubuntu Gnome 16.04

I had just updated to Ubuntu gnome 16.04 from 15.10. After reboot, I type password and click Login but just show a black screen, the desktop was not loaded. I just go to the desktop by type Ctrl+Alt+...
0
votes
0answers
48 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. .xsession-...
0
votes
0answers
40 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 primary",...
0
votes
0answers
41 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 ...
0
votes
0answers
128 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 ...
0
votes
0answers
46 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 ...
0
votes
0answers
23 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
0
votes
0answers
75 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 ...
0
votes
0answers
22 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 ...
0
votes
0answers
131 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 ...
0
votes
0answers
65 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 ...
0
votes
0answers
51 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 ....
0
votes
0answers
122 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. ...
0
votes
0answers
78 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> ...