Není to stejné jako v Ubuntu. Návod na upgrade je na stránkách Kubuntu :
Users of Kubuntu 6.06 LTS can upgrade to 6.10 over the internet by following these instructions:
* NOTE: This procedure upgrades your system over the Internet, which requires a large download of several hundred megabytes.
* In Konqueror go to /etc/apt, right click on sources.list and choose Actions -> Edit as Root
* Change all instances of dapper to edgy
* Launch a console with KMenu -> System -> Konsole
* In the console run: sudo apt-get update
* In the console run: sudo apt-get dist-upgrade and follow the prompts to upgrade
* In the console run: sudo apt-get install kubuntu-desktop python-qt3 python-kde3 ubuntu-minimal and follow the prompts to install
* Reboot your computer
If you have a Kubuntu 6.10 CD, put it in the drive, and run apt-cdrom from the command line. Then follow the instructions above.