KDE is a powerful graphical desktop environment for
Unix workstations. It combines ease of use, contemporary functionality
and outstanding graphical design with the technological superiority of
the Unix operating system. KDE is a completely new desktop,
incorporating a large suite of applications for Unix workstations.
While KDE includes a window manager, file manager, panel, control
center and many other components that one would expect to be part of a
contemporary desktop environment, the true strength of this exceptional
environment lies in the interoperability of its components.
By default Ubuntu desktop installation will install gnome desktop
enviroment and if you want to install KDE desktop enviroment you have
three options.Those options are
kubuntu-desktop -This is the recommended metapackage to install; the
full Kubuntu installation, with all the Kubuntu recommended packages.
This includes OpenOffice, Kontact, Konversation, amaroK, K3B, and
others.
kde -This will install the following KDE packages: kde-amusements,
kdeaccessibility, kdeaddons, kdeadmin, kdeartwork, kdegraphics,
kdemultimedia, kdenetwork, kdepim, kdesdk, kdeutils, kdewebdev,
kdevelop3 and the kde-core metapackage
kde-core -This will install the core — the bare-minimum required– of KDE. That is, kdebase, kdelibs, arts and fontconfig.
If you choose to not install kubuntu-desktop, then you can still get
all the Kubuntu-specific tweaks by installing the
kubuntu-default-settings package.
First thing you need to make sure you have universe source list under /etc/apt/sources.list file
If you want to install kubuntu-desktop use the following command
sudo apt-get install kubuntu-desktop
This will starts installing all the required packages you can see in the following screen
During this installation process, you will be asked whether you want
to use KDM or GDM as your default display manager. If you think you’ll
use KDE , make KDM your default. If you think you’ll use Gnome , keep
GDM as your default.Select which one is best for you.
This will complete the installation now you need to logout from
ubuntu gnome session and now you are on ubuntu login screen in this you
need to select options—> selectsession
You should see the following screen with gnome and kde options you have select kde and click on change session
Now it will disply the following screen in this you want to change
to KDE just for this session or if you want to make KDE your default
desktop environment.
Once you select the above option it will start loading KDE session you can see this in the following screen
Once it loads complete KDE session here is the KDE desktop for your ubuntu.
Nice KDE Desktop
If you want to switch back to Gnome, just log out and select Gnome from the session menu.
If you want to install only KDE use the following command
sudo apt-get install kde
If you want to install only kde-core use the following command
sudo apt-get install kde-core
Uninstall KDE in ubuntu
If you want to uninstall KDE session use the following command
sudo apt-get remove kubuntu-desktop
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