How to change the Desktop Manager

Question

When I installed KDE Plasma in Ubuntu 15.04, I set the LightDM as the default manager, But I want to set KDM as the default, how can I change this?

Answer 1

To switch between display managers in Ubuntu you can use the command dpkg-reconfigure, for example to switch to kdm:

sudo dpkg-reconfigure kdm

You'll get a screen that look like this:

choose the one you want(kdm) and hit enter, then probably you need to make a reboot.

_{All rights go to owner}