Q. How do I install KDE version 4.2 under Ubuntu Linux using binary method?
A. Some Linux/UNIX OS vendors have kindly provided binary packages of KDE 4.2 Beta 1.
You can easily install KDE 4.2 under Ubuntu Linux by visiting launchpad.net and downloading latest packages.
Install KDE 4.2 under Ubuntu Linux 8.10
Open terminal.
Type the following command to become a root user:
$ sudo bash
Type the following command to update /etc/apt/sources.list file under Ubuntu Intrepid version 8.10, enter:
# echo 'deb http://ppa.launchpad.net/project-neon/ubuntu intrepid main' >> /etc/apt/sources.list
A note about Ubuntu Hardy Linux
Add following line to your /etc/apt/sources.list file:
# echo 'deb http://ppa.launchpad.net/project-neon/ubuntu hardy main' >>/etc/apt/sources.list
Now Install KDE 4.2
Type the following command:
$ sudo apt-get update
$ sudo apt-get install kde-nightly
Reboot the system or just logout and login into new KDE 4.2. Choose KDE Nightly (Neon) from the session menu and log in again .
Fig.01: Kde Desktop v4.2 in action
References:
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gpg –keyserver keyserver.ubuntu.com –recv-keys 778978B00F7992B0 && gpg –export -a 778978B00F7992B0 | sudo apt-key add –
and done. this will fix the PGP key error .. maybe just an epic fail.