After reading my last article you might be brave enough to install Ubuntu / Kubuntu 11.04 Natty Narwhal, even after my warning in that article. If you follow the simple steps in this article you will be able to upgrade your current Ubuntu / Kubuntu install to the newest Natty Narwhal version. Which is alpha 3 currently and which will be beta 1 on March 31st.
To start we need to install update-manager:
sudo apt-get install update-manager
Then we simply run:
sudo update-manager -d
Before running the distro-upgrade we have to install all of the security updates found by update-manager. It is important to not skip this step:
Let this finish, if it prompts you to restart do so. Then run update manager again. Now hit upgrade to start your upgrade to Ubuntu / Kubuntu Natty Narwhal 11.04.
See the images below for a step by step:
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