kde@kde-VirtualBox:~$ sudo apt install plasma-desktop
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies.
plasma-desktop : Depends: breeze but it is not going to be installed
Depends: kde-cli-tools but it is not going to be installed
Depends: plasma-framework but it is not going to be installed
Depends: plasma-workspace but it is not going to be installed
Depends: qml-module-org-kde-draganddrop but it is not going to be installed
Depends: qml-module-org-kde-kcoreaddons but it is not going to be installed
Depends: qml-module-org-kde-kquickcontrols but it is not going to be installed
Depends: qml-module-org-kde-kquickcontrolsaddons but it is not going to be installed
Depends: qml-module-org-kde-kwindowsystem but it is not going to be installed
Depends: libkf5kcmutils5 (>= 4.96.0) but it is not going to be installed
Depends: libkf5plasma5 (>= 5.2.0) but it is not going to be installed
Depends: libkf5plasmaquick5 (>= 4.98.0) but it is not going to be installed
Depends: libkf5quickaddons5 (>= 5.8.0+git20150324.0130+15.04) but it is not going to be installed
Depends: libkf5runner5 (>= 5.2.0) but it is not going to be installed
Recommends: bluedevil but it is not going to be installed
Recommends: kde-config-screenlocker but it is not going to be installed
Recommends: kde-style-oxygen-qt5 but it is not going to be installed
Recommends: khelpcenter but it is not going to be installed
Recommends: kinfocenter but it is not going to be installed
Recommends: kscreen but it is not going to be installed
Recommends: kwin
Recommends: plasma-discover but it is not going to be installed or
muon-discover but it is not going to be installed
Recommends: plasma-pa but it is not going to be installed
Recommends: systemsettings but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
kde@kde-VirtualBox:~$ sudo apt-cache policy plasma-framework
plasma-framework:
Installed: (none)
Candidate: 5.23.0-0ubuntu1~ubuntu16.10~ppa2
Version table:
5.23.0-0ubuntu1~ubuntu16.10~ppa2 500
500 http://ppa.launchpad.net/kubuntu-ppa/staging-plasma/ubuntu yakkety/main amd64 Packages
5.22.0a-0ubuntu1 500
500 http://gb.archive.ubuntu.com/ubuntu yakkety-proposed/universe amd64 Packages
5.18.0-0ubuntu1 500
500 http://gb.archive.ubuntu.com/ubuntu yakkety/universe amd64 Packages
kde@kde-VirtualBox:~$ sudo apt install plasma-framework
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies.
plasma-framework : Depends: qml-module-org-kde-kquickcontrols but it is not going to be installed
Depends: qml-module-org-kde-kquickcontrolsaddons but it is not going to be installed
Depends: libkf5declarative5 (>= 5.12.0) but it is not going to be installed
Depends: libkf5plasma5 (>= 5.23.0) but it is not going to be installed
Depends: libkf5plasmaquick5 (>= 5.18.0+git20160302.2137+16.04) but it is not going to be installed
Depends: libkf5quickaddons5 (>= 5.6.0+git20150126.0003+15.04) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.