Missing network settings in KDE

Installing full Kubuntu Desktop is the way of achieving full desktop installation with its complete features, but the package itself comes bundled with tons of default programs: kubuntu-desktop will install its own file manager, document reader, terminal emulator, etcm which is annoying to some people.

Aside from that, there is kde-plasma-desktop that offer plasma desktop with minimal installation. Unfortunately, the package doesn't include the kde's network manager while kubuntu-desktop does.

But the good news is, you can always install it manually.

sudo apt-get install plasma-nm