1
vote
1answer
29 views

How to detect the vga signals [on hold]

I am currently working on Ubuntu 12.10. We have functionality as we have two cameras (say left and right cams) for recording the videos which creates two different streams as stream-1 and stream-2. ...
1
vote
1answer
53 views

Unable to login through LightDM

After executing the following script (I removed all occurrences of tmp, mind you. Or at least I thought I did) and rebooting the system, I'm no longer able to log in through the display manager. ...
0
votes
1answer
443 views

How to reconfigure lightdm? [duplicate]

Last night I installed KDE. But then however my Desktop manager changed into KDM. How can I go back to my default Desktop manager lightdm??
0
votes
1answer
1k views

Replace LightDM with MDM on Ubuntu 13.10

I'm trying to replace LighDM with MDM on Ubuntu 13.10, but there already is package in Ubuntu sources called mdm. It's not display manager, but "The Middleman System"... So the PPA install doesn't ...
0
votes
0answers
86 views

Gnome 3.8 Update Issues

I installed Gnome 3.8 about 3 weeks ago and it worked great! Just recently I updated and everything about the boot-up has been a little odd. Firstly, the boot screen wasn't the purple and orange ...
0
votes
0answers
491 views

Change lightdm display resolution on the console

I am booting from the Lubuntu live-desktop-CD but the resolution doesen't work on my PowerPC Mac G4. I can go to the Cconsole with Ctrl+Alt+F1 Is there a config file for lightdm that I could change ...
2
votes
1answer
1k 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 ...
1
vote
0answers
195 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
votes
0answers
556 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 ...
1
vote
0answers
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 ...
5
votes
1answer
226 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 ...
12
votes
2answers
23k 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)?
13
votes
1answer
22k 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 ...
12
votes
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 ...
17
votes
2answers
16k 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?
10
votes
1answer
815 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. ...