Install KDE 4.2.4 in Ubuntu Karmic (9.10)

KDE is a desktop environment in linux, by default ubuntu use the GNOME desktop environment, to install KDE 4.2.4 on ubuntu Karmic (9.10) follow these steps:

Add Repository sources by type :

$ sudo su
$ gedit /etc/apt/sources.list

add following this line :

deb http://ppa.launchpad.net/kubuntu-ppa/ppa/ubuntu karmic main

add GPG key :

$ gpg --keyserver keyserver.ubuntu.com --recv 2836CB0A8AC93F7A
$ gpg --export --armor 2836CB0A8AC93F7A | sudo apt-key add -

Update repository and install KDE 4.2.4 by type :

$ apt-get update
$ apt-get install kde

after finish reboot your machine by type :

• $ reboot

Happy Testing.....!!