The display manager (DM) is the program responsible for showing the graphical login screen in Ubuntu. As of 11.10, the default display manager is LightDM; previously, Gnome's desktop manager (GDM) was used.
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LightDM doesn't appear after login
I have got following problem: after login LightDM doesn't appear. Before login the user-choose screen works fine. I can see only my wallpaper. Also I can run terminal (by ctrl+alt+t) and other and ...
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1answer
25 views
Why doesn't tty7 show a prompt with no display manager?
When I drop to tty1-tty6 through Ctrl-Alt-F[1-6] it shows a prompt, for obvious reasons (it's supposed to).
However, if I kill my display server, and thus X, through something like
sudo service gdm ...
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50 views
Pre-configuring default GUI session for new user
As an Ubuntu 12.10 admin, can I configure the default GUI session (the one to run if no explicit choice is made at the login screen) for a user I create from the command line?
Example of choices:
...
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1answer
156 views
How to fix Ubuntu 12.04 display artefacts/freezes after switching users?
Some time ago I noticed a strange behaviour on my computer running Ubuntu 12.04.
Here's a detailed description of the problem: I log into my account, work for some time, and then somebody else wants ...
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1answer
1k views
Ubuntu 12.10: black screen after installing nvidia-current [duplicate]
COMPUTER: Macbook pro 7'1 (mid 2010)
GRAPHIC CARD: NVIDIA 320M
Today, after a fresh install of Ubuntu Quantal Quetzal, I installed the suggested nvidia drivers from terminal by running the following ...
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123 views
Ran a script in xubuntu and my display crashed. Can someone advise on how to reverse it?
I have a script I found a while back to speed up installing Minecraft... for my kid... Anyway, I recently changed to Xubuntu and figured the same script would be ok, not taking into consideration the ...
2
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2answers
159 views
Where does LXRandr save its display configurations?
It looks like LXRandr can save configurations.
But where are they saved and in what form?
(I was thinking about activating them by shortkey.)
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1answer
171 views
How to use Xfce4-display-settings terminal commands?
What I want is a terminal command that would activate internal display in case it is de-activated in Xfce. (Then, I could run this command by a script+shortkey and get a solution to this problem). The ...
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2answers
161 views
Make Xfce display manager use internal monitor after restart
By default, if I connect an external display under Xfce, it is not activated until I choose to in xfce4-display-settings or lxrandr.
If set to use external display only and then restart with that ...
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47 views
compiz is missing,so display manager doesn't working
There is a problem when i use ubuntu 12.10 at first time there is a missing of compiz.my display manager doesn't work and i cannot see even the menu.but the softwares are running and i can access them ...
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1answer
93 views
Logging in the New Created User Ubuntu12.04 lts
I just created an account with name rashmi and set its password. Then I restarted my system. When I log in to rashmi another screen appears for less than a second and then vanish and again the login ...
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2answers
664 views
How to Remove KDE Login Screen?
I accidentally installed KDE on my Ubuntu 12.04 Machine the other day, to find I really don't have a liking for it. I runned a apt-get command to remove the kde-full package, but programs like ...
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1answer
136 views
Boot fails after “Checking battery state”
I am on Ubuntu 12.04. As I was working icons on the top bar started disappearing. I tried to switch between the various windows but Alt + Tab was not working. I tried using the mouse to switch between ...
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1answer
733 views
Problem with LightDM & KDM
I'm a Kubuntu 12.10 x86_64 user.
I recently found an exquisite KDM theme on (name of KDE artwork site).
However, as the default display manager in Kubuntu is LightDM, I installed KDM with:
sudo ...
2
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1answer
102 views
Use Gnome, but Login With KDM
I'm trying to find a way to make the login screen a KDE session in Ubuntu 10.04 while maintaining a Gnome Session after logging in. The reason for this is to change the login screen I detest. Any help ...
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2answers
413 views
How do I make the login screens and boot splashes match when installing different desktops?
I wanted to try out different desktop environments so I installed XFCE, KDE, GNOME, etc on top of Unity in Ubuntu 12.04
After a while I decided that I didn't like those other DEs and would stick to ...
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1answer
729 views
Different display and window managers for Ubuntu and how to install them
On surfing articles on Ubuntu, I came across posts for installing different desktop environments in Ubuntu. That got me thinking about different display & window managers they use and I made a ...
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2answers
202 views
How to take screenshot of an X11 based GUI from a text terminal (such as tty1)?
I tried using DISPLAY=:0 import -window root "$HOME/Pictures/screenshot.png" (import is part of the ImageMagick suite), but that just displays a black screen.
I want to do this as I wanted to ...
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93 views
Why does my display manager have the wrong keyboard layout after installation?
After installing X-/Kubuntu I always get the wrong/standart US keyboard layout both on my desktop and at the Display Manager. During the installation I set DE, deadgraveacute as the default layout. ...
2
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1answer
524 views
Can't activate “mirror display”
I have Ubuntu 12.04 on a Dell latitude E6410, I have a problem when using the VGA output I always have dual monitor and can't switch on the "mirror display" toggle under systems setting/displays. It's ...
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91 views
ubuntu 12.04 terminal message: only one display manager
Upgrading to 12.04 (while configuring LXDM) the terminal says:
Only one display manager can manage a given X. So I gather there is more than one on my computer, hence I should get rid of all but one. ...
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326 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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2k views
GDM and LightDM display managers not working for 12.10? [closed]
On my Ubuntu 12.10 Beta system, I am having a few problems with my display managers. LightDM does not let you go into any desktop besides Unity, and GDM crashes about 1/3 of the time after logging out ...
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1answer
863 views
Installing MDM to replace GDM?
I had downloaded the MDM deb file from the following link. http://packages.linuxmint.com/pool/main/m/mdm/mdm_1.0.4_i386.deb
But when I'm installing through the GDebi package manager, it shows me this ...
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1answer
153 views
How do I develop my own display manager?
For some reasons we need to create our own display manager.
We need some very special biometric identification of users.
If any one can give me some links to documentation or standarts or any ...
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163 views
Wacom Cintiq 21UX and laptop dispalys reverse mouse/tablet functions [closed]
Any help with this problem would be much appreciated.
My work station involves a Sager laptop on my left and a Cintiq on the right. When I go into displays to account for this, the tablet functions ...
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1answer
77 views
What's the folk-lore on troubleshooting lightdm and other display manager problems?
I just spent a number of hours in trying to make my 12.04 boot again, after it put itself in a strange hang in splash screen.
After many trials and errors involving false leads such as
...
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1answer
1k views
Ubuntu 12.04 not booting to a display manager or login manager
When I boot up my computer with Ubuntu install on it, it's keeps booting and booting forever. It loads the boot screen but it doesn't boot up.
The only way to log in is to press Ctrl+Alt+F2, then ...
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2answers
9k 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)?
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1answer
802 views
Login into XFCE session without display manager
I am currently using lightdm as my default display manager but I feel like there is no need of display manager in my case because I am always going to login to xfce session.
So, is there any way I ...
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1answer
9k 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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14 views
How to change gdm theme in Ubuntu 12.04 [duplicate]
Possible Duplicate:
How do I make GDM use the upstream GNOME theme?
I have installed gdm on Ubuntu 12.04. But the default theme is not like the default of Gnome (which used by Fedora and ...
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1answer
209 views
How do I get an application to display on a “dummy monitor”?
I have a GTK program(transmission-gtk) which I would like to run from a console in one of the virtual terminals (over SSH, and locally). Is there a way to get this application(or any other GTK ...
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1answer
1k views
Ubuntu 12.04 suddenly will not boot after compiz crash on lockscreen
Yesterday i went to work and closed my laptop. When i got home I couldn't get the lock screen to come back up. ctrl+alt+f2 to get to a terminal and Tried to kill compiz, compiz was not running so I ...
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145 views
How To Create My Own Login Manager or Display Manager?
I'm Planning to create my own display manager.Crawled through LightDM,GDM,lxdm but ,I wanna Create One in Python.Any Idea Please ?
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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 ...
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2answers
316 views
Gnome shell does not log out properly in Ubuntu 11.10
My problem is that when I log out from a gnome shell session I get a blank screen instead of the display manager. If I close the lid to suspend and then open it again, I get the display manager and I ...
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1k views
Laptop monitor stopped working and can't be re-enabled on a Dell Latitude E6410 [closed]
I'm using Ubuntu 12.04 (upgraded from 11.10), everything seemed to work fine until today when my laptop monitor suddenly stopped working.
Here are the facts:
My laptop is a Dell Latitude E6410, Intel ...
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6answers
3k views
Why does LightDM only show a custom wallpaper on the login screen if I have selected one of the default wallpapers? [duplicate]
Possible Duplicate:
How do I add customized wallpapers so they appear in the dynamic unity greeter?
LightDM only changes wallpapers if I have selected one of the default wallpapers. If I ...
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0answers
68 views
Gnome 2.32 on Ubuntu 10.10 pixeleted Screen [closed]
I just purchased the dell vostro 1550 and after using it for hours found gnome showing pixeleted screen per refresh. I don't know what could be the reason behind this but it is showing the display as ...
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1answer
497 views
Why is metacity still my display manager instead of awesome?
I am trying to stop using unity and make awesome my default display manager while still having gnome as my default desktop environment. I am following the instructions at this page. I did however base ...
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1answer
471 views
Why DISPLAY variable constantly changing, and how can I determine what's the right value?
I use this script to launch XBMC:
#! /bin/bash
# Launch XBMC in windowed mode, then use wmctrl to remove the titlebar
DISPLAY=:0.0
# Start XBMC without blocking this script
xbmc &
# Wait for ...
4
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3answers
5k views
How to log out with a command in a gnome-less environment?
I installed various window managers (Awesome, dwm, etc.) from which I am not able to log out back to the login screen (gnome-session) in order to switch to another window manager. I need to reboot to ...
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1answer
508 views
How do I setup dual monitors with workspace on only one monitor?
I have dual monitors, one on the left and another on the right. I like to have VMWare Workstation opn the right hand monitor, full screen.
In Gnome3, when I switch workspaces the right side monitor ...
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2answers
7k views
Make KDM the default display manager
I'm giving KDE another try - so far so good. I installed everything using apt-get install kubuntu-desktop. During the installation it asked me which login manager to use and I chose LightDM - however, ...
13
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2answers
6k views
How can I make LightDM the default display manager?
I have LightDM installed and can start it with sudo start lightdm. But at boot, GDM is still the default. How can change this so LightDM is loaded automatically at boot instead of GDM?
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1answer
603 views
Why use a Display manager?
I'm currently trying to free as much memory as possibile because I'm using my laptop for scientific simulations. One of the things I made is disable gdm and using login+startx to start GNOME session. ...
2
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2answers
172 views
Where can I file a bug for having a “primary” display checkbox in gnome-display-properties?
When working with two displays there is a question of which display is the "primary". In the case of Unity the primary display is the screen on which the launcher appears for instance. This property ...
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1answer
1k views
How to install an alternative display manager?
I want to replace gdm with another display manager. I did aptitude install slim (tried also xdm) and got a possibility to configure which display manager should be used. But after the reboot the ...


