KDE Display Manager (KDM) is a program that provides Kubuntu's graphical login screen.

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Too Many Lock Screens

I installed a few different GUI environments for Ubuntu 14.04 and I finally settled on KDE. However, when I lock my desktop and come back to it I have to sign in twice... I have two different ...
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48 views

Kubuntu + kdm blank desktop

I recently did a sudo apt-get install kubuntu-desktop. Reboot loaded a kubuntu splash screen, then loaded the unity desktop. I read you needed kdm to handle the log in screen, so I did sudo apt-get ...
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2answers
332 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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75 views

Problem When Switching to kdm Ubuntu 14.04

Successfully installed ubuntu 14.04 lts on my lenovo yoga 2 pro, was pretty happy with it, i wanted to check out KDE, (i'm a noob and this is my first time ever trying to install a display manager) ...
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1answer
1k views

KDM Theme in Kubuntu 14.04

I just upgraded to Kubuntu 14.04, and when I went to reconfigure KDM (because I'm not a fan of the current theme), I realized that there was no way to add more themes, and there were only two there. ...
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1answer
1k views

upgrading from Ubuntu 14.04 to Kubuntu

I have an issue with installing KDE on my Ubuntu 14.04. I executed apt-get install kubuntu-desktop And tried to remove unity sudo apt-get autoremove --purge unity unity-common unity-services ...
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56 views

KDE Display Manager

I have install kde plasma desktop then the kde display manager (kdm) appeared? I want to restore LightDM I have tried sudo dpkg-reconfigure kdm but without any benefit. Thanks
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52 views

Change Default Keyboard Settings without Root Access

After not having logged into Ubuntu for a few weeks, I booted in to do some updates. I rebooted my computer to find out that my default keyboard settings have been changes, making it impossible to ...
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1answer
439 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??
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402 views

Kubuntu 12.04 D-BUS not starting on login

I have no idea why, but when I tried to login this morning a window popped up while in splash screen "Could not start D-Bus. Can you call qdbus?" which when clicked returned me to kdm. I have ...
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26 views

KDM Login Will Not Accept Username & Password [duplicate]

I have just installed KDE , set up my preferred environment (with desktop cube effects color scheme, set the splash screen to "minimalist" and also installed ksnapshot.) Installation was done with the ...
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1answer
83 views

Why does the KDE login screen still lead me to GNOME?

This all occurred after I (1) Built/installed Ardour 3.3 (2) Used the automatic updater to install suggested updates and (3) Installed wine, tried to open the configuration file, everything stopped ...
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1answer
148 views

No unity shell , no unity panel and no dual monitors

I did something terrible this morning you can see here. Now that problem was fixed , apt was working fine and so was the update manager . after installing all updates , I rebooted. And I could not ...
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1answer
3k views

How to use KDM instead of lightdm in Kubuntu [duplicate]

I need to configure KDM by system settings, because lightDM is not working any more (I don't know why, just stopped working), so, is there any way to do it?
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1answer
557 views

KDE overrides lightdm logon screen [duplicate]

Possible Duplicate: How do I install KDE and retain LightDM as a login manager? I upgraded my KDE desktop and suddenly it overrode many parts of unity user interface such as menus, icons, ...
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2answers
1k views

Hide users from login screen on Kubuntu 12.10

This question is a 2 part question (I know there is already a question on GDM): When I create a new user that person shows up on the login screen for Kubuntu 12.10 however I would like to hide that ...
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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 ...
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1answer
282 views

Trouble after Ubuntu 12.10 upgrade

Over night I tried to upgrade to (k)ubuntu 12.10. Unfortunately kdm (neither lightdm) doesn't show up after boot. I found several posts describing errors due to the migration from kdm to lightdm. Some ...
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1answer
533 views

Window manager not working

When upgrading Kubuntu from 12.04 to 12.10 I agreed to stop the kdm daemon and now I can't get any window manager to initialize. I do however still have my Burg boot screen. So now how do I finish my ...
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1answer
518 views

personalize session list on (KDM|GDM|LightDM|some_other)

A bit of an odd question: I want to change the list of sessions available on (KDM|GDM|LightDM|some_other) to a user, without affecting the sessions available to others. Specifically, I have one user ...
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1answer
284 views

Lost option to use KDE after an update - how to bring it back without losing configuration

After running an update on Monday, on a Kubuntu 12.04 box, I've lost the option to select KDE in the login screen (there was a message that read approximately "option kde* has been removed"). Only ...
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1answer
564 views

Why is one keyboard controlling both seats in my multiseat config?

Ubuntu 12.04 32-bit, stock install with minimal additional software I'm trying to get a multiseat X setup going... two separate keyboard/mouse/monitor sets on one PC. I used this document for ...
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2k views

KDM Login manager wallpapers

Just tinkering with KDM and having some trouble with theming. I've downloaded the beatiful zxcity theme and set it as my theme for the KDM login, problem is the wallpaper switches back during load. ...
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2answers
2k views

How to get username back on the Unity panel?

Installed kdm and used it as default. After i login into unity through i do not see my username.But if i go back to using lightdm, i have no problems. Anyone knows how to use kdm as default and ...
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Message “Call to lnusertemp failed (temporary directories full?). Check your installation?” displayed in X before KDM

This has started to happen after I encrypted my home folder (this was done after the installation, not as a part of it)... This was in 11.10. I have since upgraded to 12.04 and after first reboot ...
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1answer
632 views

Log in manager doesn't appear after editing /etc/X11/default-display-manager

I have ubuntu 11.10 , and I installed kde and I choosed kdm mistakly, as mentioned here I did this procedure Pretty simple. Open the file /etc/X11/default-display-manager with your editor of ...
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1answer
676 views

Macbook Pro 8.1 Keyboard Backlight on Ubuntu 11.04 With KDE

Can anyone tell me how to enable my keyboard's backlight? It works fine using gdm and Unity. I recently installed kde 4.6.5 and started using kdm, everything works fine as in unity, only my keyboard's ...
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2answers
7k views

How to install a package in recovery mode?

I was using Ubuntu 11.10 and installed the KDE Desktop and I was happy with that. But I wanted to get my old login screen back so I removed the package kdm. When I boot my PC now, it keeps booting and ...
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0answers
291 views

How do I set up autologin on KDM-config when my home directory is encrypted? [closed]

How do I set up autologin on kdm-config when my home directory is encrypted? If I just activate on kde settings' login manager I get an error and X server crashes. I tried updating, but still the ...
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1answer
1k views

Kubuntu - cannot change fonts and widget style under sudo after upgrade to 11.10

I have a problem with fonts, appearance of GTK and KDE-based applications and cursors in Kubuntu 11.10 after upgrade from 11.04. I want all of my applications, both GTK and KDE, under sudo and under ...
14
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3answers
18k 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, ...
2
votes
1answer
520 views

Keyboard Layout resets on every startup

I want to use "German, no dead keys" (as "tot" as the layout. Whenever I log into KDE from KDM, I get the regular "German" keyboard. In other questions here I read that you have to switch the keyboard ...
10
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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. ...
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1answer
2k views

How do I prevent KDM from starting at boot?

I would like to stop kdm from starting when my computer boots up. Is there a way to do that? kdm is my only graphical login program, I do not use gdm or xdm.