To install kde 4,1 on Ubuntu Hardy never has not been thus easy; nothing more complicated (but, next to my opinion, thrilling) procedures of compilation, dependencies to satisfy, script to install…, thinks next to all apt-get in 5 steps:
- to add the line deb http://ppa.launchpad.net/kubuntu-members-kde4/ubuntu hardy main to the /etc/apt/sources.list rows;
- I sudo apt-get update;
- I sudo apt-get install kubuntu-kde4-desktop;
- I sudo apt-get install gtk-qt-engine-kde4 in order to make to assume more to the applications of ubuntu an aspect in compliance with the look than kde 4;
- I sudo update-alternatives - config usplash-artwork.so and I sudo update-initramfs - u in order to restore Usplash di otherwise modified Ubuntu from kde4.
Now we are ready to approach new fiammante kde 4,1 through the shielded one of login cliccando on Options and Select Sessions. In order to use gtk-qt-engine-kde4 it is necessary to go on System Settings->Appearance->GTK Styles and Fonts and to select Use my KDE Style in GTK application, to cliccare Apply and to make the log out because the change has effect.
Naturally it is possible to carry out many other configurations to begin from the installation of new widgets for Plasma, I as an example I have qualified the effects of the compositing of Kwin through System Settings->Desktop->Desktop Effects, selecting Enable Desktop Effects and choosing between those puttinges on hand in the card All Effects.

Truly magnificent, I would dare to say godurioso! The sapete, I am an enthusiastic one of Kde 4, it nearly have seen to be born, have followed step step the improvements, the fixing of the bug, it I have compiled tens of times and tired me absolutely not to praise the enormous job carried out from the sviluppatori, the passion and the ambition in the construction of a desktop manager from the evolven solutions and, still more, from the innovative conception. It is obvious, we are not still to the levels of efficiency of Gnome or version 3,5 of Kde, which Amarok 2, K3b (or K4b still lack the great applications), Lancelot or Raptor (who will gain the battle of menus)we will probably see, them with Kde 4,2 in escape to February 2009, but the base is sincerely of splendid invoice.