How do I switch from the default display manager (Lightdm) to the older display manager (GDM)? Answer Switching from LightDM to the “older” GDM is very easy, and need not even involve opening a terminal. Note: If you need/want to do this from a terminal (e.g. recovery console), please scroll below the screenshots for a … Read more
I used to edit the startup script for the GDM (/etc/gdm/Init/Default) to permanently change my display resolution. How can I do this with LigthDM in Ubuntu Oneiric? Answer Modify /etc/lightdm/lightdm.conf to add the following options: display-setup-script > calls your mycustomloginvideo.sh before the login screen appears session-setup-script > calls your mycustomdesktopvideo.sh before the user desktop session … Read more
I am learning about Graphical User Interfaces in Ubuntu and constantly come across different terms, which cause a lot of confusion for me. I have tried reading easy-to-understand tutorials about the relationship between the named packages, but I don’t have a complete picture. LightDM appears as a service on my installation and is a ‘Window … Read more
I want user foo to auto-login using LightDM (which has been used by Ubuntu since version 11.10). How would I do that? Answer An alternative to Alin’s answer is to create a file /etc/lightdm/lightdm.conf and add the following content: [SeatDefaults] autologin-user=<YOUR USER> autologin-user-timeout=0 user-session=ubuntu # Uncomment the following, if running Unity #greeter-session=unity-greeter Next time you … Read more
How do I hide a particular user from the login screen on a default install of 11.10 and higher? (ie. using Unity Greeter)? Answer If your system uses AccountsService, you can not hide a user from the greeter screen by reconfiguring lightdm because it defers to AccountsService. That is stated very clearly in the comments … Read more
I would have expected System ▸ Administration ▸ Login Screen ▸ Play login sound to control this, but unchecking it does not prevent the drum beat sound from playing. Answer For Ubuntu 12.04+ LightDM Way Also known as the FluteFlute Slap, the LightDM Way involves having to logout and on the LightDM Login Screen you … Read more
How do I disable the guest session in Ubuntu 11.10 or higher? I don’t want people to be able to use my computer without using a password to log in! Answer Updated: 2016-Aug For Ubuntu 16.04 LTS (15.10 or later) Adapted from: LightDM Ubuntu Wiki – Configuration System provided configuration files in /usr/share/lightdm/ are not … Read more
My Ubuntu is stuck in a login loop when trying to enter my desktop. When I login, the screen gets black and soon after that the login screen comes back. I’ve read that the problem might be caused by an error depending on the graphics, here’s my graphics card: ATI Radeon 7670M Answer Did you … Read more
