I have Ubuntu 16.04 Xenial Xerus and I installed kubuntu-desktop.
sudo apt-get install kubuntu-desktop
Now there is no KDE in the login screen selection. Just Gnome classic, Gnome-wayland (which does not work because 15.081410 rc.local[1923]: Error opening display!) MATE (the only one usable) Plasma (black desktop with a few tray icons and no usable panels...)
How do I make KDE appear there as well?
vitas@vitas-ThinkPad-T460:~$ dpkg -l *kubuntu*
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-==============-============-============-=================================
un kubuntu-defaul <none> <none> (no description available)
ii kubuntu-deskto 1.338 amd64 Kubuntu Plasma Desktop/Netbook sy
ii kubuntu-driver 15.10ubuntu3 amd64 Driver Manager for Kubuntu
un kubuntu-firefo <none> <none> (no description available)
ii kubuntu-notifi 15.10ubuntu2 amd64 Kubuntu system notification helpe
ii kubuntu-settin 1:16.04ubunt all Settings and artwork for the Kubu
ii kubuntu-web-sh 15.04ubuntu1 all web shortcuts for Kubuntu, Ubuntu
ii libkubuntu1 15.04ubuntu2 amd64 library for Kubuntu platform inte
ii plymouth-theme 1:16.04ubunt all graphical boot animation and logg
ii plymouth-theme 1:16.04ubunt all graphical boot animation and logg
BTW How the heck do I make my post preserve all line breaks and not just some? This is not very readable. I am sorry, but I did not figure out how to fix that...