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Manager (GDM) is a program which used to provide Ubuntu's graphical login screen until Ubuntu 11.10; since then it has been replaced by LightDM.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

I want gdm, lightdm, something--anything--other than the default one in KDE. I'm not talking about the login manager or anything, that I have set to gdm. I'm talking about the lock screen with the ...
17
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1answer
25k 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 ...
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1answer
7k views

GNOME/GDM not starting

NOTE: While working through my issue and documenting it I discovered the solution, but have decided to post this in case another person has the same/similar issue (see bottom)... After uninstalling ...
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2answers
23 views

Ubuntu 11 display manager startup problem

Several days ago we had a power failure. When I rebooted my Ubuntu Linux box, it initially came up displaying the F in the center of the screen but never went to the login. Instead it goes to a black ...
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0answers
42 views

Need to type in password when I change to tty and back on 14.10

I just upgraded Ubuntu from 14.04 to 14.10. I use autologin for my user, gdm, and gnome. Recently, whenever I switch to tty and then back, it requires me to type in my password four times with a ...
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1answer
7k views

Setting up the GDM Theme

I'm using Ubuntu 12.04 with Gnome Classic (no effects) and because of the fact that some system options have disappeared with the new system release I've been struggling with this for a while and ...
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2answers
256 views

What to do when nothing seems to fix Ubuntu 14.10 stuck after log in?

So I run Ubuntu 14.10 on HP Pavilion g6, i5 and with Radeon HD6500. Yesterday Ubuntu crashed and since then I can't get anyfurther than the log in screen. Ubuntu simply stucks with only the background ...
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0answers
8 views

GDM without Accessibility Dialog

I would like to disable the accessibility icon on the top right corner of GDM. I tryed insert some keys at the gconf, but thoses commands gave me no results: gconftool --type Boolean --set ...
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0answers
21 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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1answer
32 views

Boot does not go ahead Gnome icon

I'm using Ubuntu Gnome 14.04 LTS. Yesterday I uninstalled evolution and it's components using the command sudo apt-get remove evolution* which freed something around 40 MB data. After which I tried to ...
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7answers
27k 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 ...
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238 views

Several attempts to customize GDM login screen in Ubuntu 14.04 LTS failed. What are the ways to customize it?

I installed GDM on Ubuntu and set it as default via sudo apt-get install gdm. It looks like this( I took screenshots but can't trace where was it saved as it was not available in default directory ...
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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 ...
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1answer
84 views

How to enable autologin but still require password

I am running Ubuntu GNOME 14.04, using gdm display manager and gnome-shell environment and I need to achieve the following behaviour: after boot, a selected user is automatically logged in, but a ...
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0answers
143 views

Ubuntu GNOME 14.04 NVIDIA drivers problem

I have an Acer Aspire 5755G with two video cards : one integrated (Intel) and one dedicated (NVIDIA GeForce GT 540M). I tried multiply ways to install various types of NVIDIA drivers, but everytime, ...
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5answers
52k 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?
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2answers
145 views

Where is the login screen wallpaper for GDM stored?

In 14.04, there is a really nice sort of stone texture to the background of the login screen. Where does that texture live on the disk? I have searched the unity greeter packages.
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0answers
36 views

Problems with Ubuntu 14.04

I have some problems with my Ubuntu 14.04 installed on Lenovo think-pad t420 notebook. I'm using recent Nvidia drivers and gdm desktop manager with classical gnome theme. Periodically, my system stop ...
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0answers
18 views

How to reset Ubuntu boot up screen

after installing gdm, i cant right click on my desktop anymore and wallpaper changed to default(cant change) and the option menu when boot up is not orange but it is grey I searched for solution but ...
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0answers
43 views

Ubuntu 14.04 in vmware

I install ubuntu 14.04 in vmware 10. But it does not show graphical environment. When I run sudo startx, desktop that is shown has five parts (five duplicate desktop). sudo gdm and sudo lightdm does ...
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1answer
225 views

probleme with gdm

I have a problem with gdm , when I run this command sudo /etc/init.d/gdm start I got this message /etc/init.d/gdm: 79: /etc/init.d/gdm: syntax error: "fi" unexpected (expecting "}") So, can ...
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0answers
69 views

Changes Made in Dconf Editor don't take effect?

I am using Dconf to remove myself from the login screen by enabling disable-User-list in org.gnome.login-screen but that don't work. Also, I have tried changing the logo, no luck either. I have also ...
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2answers
516 views

How can I enable screenlock without turning off the monitor? (Ubuntu Gnome 14.04)

Ubuntu Gnome 14.04 When locking the screen, my monitor/screen turns off immediately. I don't want that to happen immediately, more like after 30 minutes or so. Is that possible?
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28 views

How to create a custom failsafe session

I have created a custom session (in /usr/share/xessions/mysession.desktop). I don't want this session to be saved as a default session (don't want users to get the question "Do you want to use this as ...
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0answers
159 views

Howto force gdm to start unity by default for first time logged in user?

I was to try to do setup for maxi Ubuntu installation containing Gnome, Unity,KDE, Xfce, LXDE, Edubuntu,...Eclipse, Netbeans, ICD..., octave, QTOctave, Scilab/Xcos, Open Modelica,.... for a ...
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27 views

“Software & Updates” missing from GDM

When I type "Software" into the GDM search box nothing appears. Has this moved to another application? I recently did a dist-upgrade due to a linux-headers update being held back. Since then I ...
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1answer
3k views

How to apply theme?

I'm trying to apply the following theme: http://gnome-look.org/content/show.php/H4k3r?content=156969 I have a .themes folder in "Home" folder but Ubuntu Tweak Tool won't detect it. Running 13.04
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69 views

How do I add login session to gnome session (gdm) in Trusty 14.04

While lxde display manager seems to list all the window managers I have on its initial splash screen the one for gdm lists only a small number. I would like to add selection desktops which are seen ...
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0answers
59 views

Upgrade to 14.04 results in system without desktop environment

Yesterday I had a perfectly stable and responsive ubuntu 12(.10?) on my dell xps3. I made the mistake to say yes to the update to 14.04. Installation went fine, but after reboot I was looking at 5 ...
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1answer
355 views

Starting gdm (manually or during boot) doesn't do anything

At my wit's end here! I can't get gdm to run. Not just not at boot-time, but at all. There's no error message. tty7 stays blank. It doesn't seem to attempt to start an X server. It doesn't log ...
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0answers
35 views

Is restarting lightdm likely to cause any serious problems?

I frequently mess things up and I have to restart the computer. Recently, I started restarting lightdm / gdm, as it is quicker. Is that a sensible thing to do? I use the following command (in tty): ...
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2answers
177 views

How to completely remove broken GNOME/GDM installed on Ubuntu Server?

I have installed an Ubuntu Server. It obviously comes with no graphical interface. I tried to install one with: apt-get install xserver-xorg xfonts* gnome gdm Then I got an error message trying to ...
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2answers
109 views

Do logins by the gdm (or lightdm) user in auth.log mean my system is breached?

Please look at this auth.log (from Ubuntu 14.04) I have provided and tell me who this gdm user is and why there are all these unauthenticated logins? I am freaked out; please help! Here's the ...
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0answers
522 views

Change GDM in ubuntuGNOME 14.04.1

I've been searching the web and can't figure out how to do this, only that I can do this. I recently installed a fresh install of the ubuntu GNOME 14.04 flavor and love it so far, especially with all ...
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1answer
219 views

ubuntu 12.04 to 14.04 distribution upgrade pauses “configuring lightdm” … “Default display manager:” gdm, lightdm

Apologies if I overlooked this in the docs somewhere. Let me document something just incase it was missed. My upgrade from 12.04 to 14.04 pauses on a package configuration. The first time I did ...
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2answers
3k 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 ...
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0answers
85 views

Ubuntu 12.04 freezes when switching to lightdm

I was changing the theme in my Ubuntu 12.04 to Mac OS theme, constantly installing, logging in and out, rebooting when trying to fix things along the way. While I was doing a reboot, it froze, for the ...
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1answer
40 views

Only visible spaces seen?

I recently converted Ubuntu to Ubuntu GNOME by removing Unity and installing GNOME from the repositories and removed LightDM too. My account was working, but the rest of the family user accounts are ...
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0answers
239 views

why is gdm not starting automatically?

I am running Ubuntu 12.04 LTS with all updates. At some point I experienced some trouble with LightDm, so after reading up on AskUbuntu I switched to GDM. No problems, except that I cannot get GDM to ...
1
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1answer
229 views

X keeps restarting without getting to login screen

I am running Ubuntu 13.10 in my PC. Two days ago, oneconf crashed while I was working and I had to restart the computer. Since then, I haven't been able to go past the black screen to the login ...
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1answer
1k views

How to autostart synergy on ubunutu 14.04?

I am using synergy to share mouse and keyboard. I would like it to start automatically and have used the tutorial for this here. I am new to ubuntu and cannot find this menu: System Menu > ...
0
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1answer
911 views

Installing Gnome 3, should I use gdm or lightdm?

I'm currently using Xubuntu 14.04 and I wanted to try out Gnome 3, so i started installing it, and during the installation it is asking me what display manager should I use by default: gdm or lightdm. ...
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4answers
23k 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 ...
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1answer
80 views

How to chabge GDM Login theme in ubuntu 12.04 lts

I have ubuntu 12.04 lts and I changed my login screen to GDM by typing sudo apt-get install gdm how do I change the theme in ubuntu 12.04? I downloaded a theme using gnome-look.org. Where do I ...
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1answer
146 views

upgrade to 14.04 added lightdm to server edition

The update from 13.10 to 14.04 using do-release-upgrade seems to have added lightdm to my computer. On top of that, lightdm wasn’t even set up properly, nor do I want it set up. I prefer not to use ...
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0answers
701 views

Ubuntu Gnome 14.04, change resolution on GDM login screen/system wide?

Under Ubuntu Gnome 14.04, Gnome 3.12, I'm running with a different from my maximum resolution. After login, the resolution is set fine, and when I log in after locking the machine, the resolution is ...
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1answer
58 views

default-display-manager error

I was using gnome desktop manager, then I changed the file ./etc/X11/default-display-manager to nothing, so the login would be made via command line. The problem is that there's a file created in ...
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429 views

Ubuntu 14.04 start too slow but shutdown too fast

How do I do speed up Ubuntu like in this link - Disable service: http://ubuntuforums.org/showthread.php?t=89491 Bootchart
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1answer
104 views

How to get Gnome Shell to remember my display preferences?

I have a laptop. When I'm using just the laptop, I want to use the display (well, yeah, obviously) but when I plug in my monitor, I want to just use that monitor, not both screens. Every time I boot ...
2
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4answers
6k views

Ubuntu 13.04 - can't login to Unity, keep going back to login screen with all users

today I've updated openssl and libssl (automatic update). After reboot I can't login with any user (even with Guest or new one) into X. I've tried with installing gdm, gnome-session-fallback - no ...