Yesterday the new Ubuntu 9.10 (Karmic Koala) was released. This guide shows how you can upgrade your Ubuntu 9.04 desktop and server installations to Ubuntu 9.10.

Yesterday the new Ubuntu 9.04 (Jaunty Jackalope) was released. This guide shows how you can upgrade your Ubuntu 8.10 desktop and server installations to Ubuntu 9.04.

The new Ubuntu 12.04 LTS (Precise Pangolin) has just been released. Ubuntu 12.04 LTS is a long-term support release, which means it is supported for five years. This guide shows how you can upgrade your Ubuntu 11.10 desktop and server installations to Ubuntu 12.04 LTS.

The new Ubuntu 11.04 (Natty Narwhal) has just been released. This guide shows how you can upgrade your Ubuntu 10.10 desktop and server installations to Ubuntu 11.04.

The new Ubuntu 12.10 (Quantal Quetzal) has just been released. This guide shows how you can upgrade your Ubuntu 12.04 LTS desktop and server installations to Ubuntu 12.10.

The new Ubuntu 11.10 (Oneiric Ocelot) has just been released. This guide shows how you can upgrade your Ubuntu 11.04 desktop and server installations to Ubuntu 11.10.

The new Ubuntu 10.10 (Maverick Meerkat) has just been released. This guide shows how you can upgrade your Ubuntu 10.04 desktop and server installations to Ubuntu 10.10.

Ubuntu 10.10 Maverick Meerkat Beta is released! If you have ubuntu 10.10 Lucid Lynx or older version of ubuntu installed and you want to upgrade to Ubuntu 10.10 Maverick Meerkat, you can do it by following these instructions.

This tutorial will explain How to Upgrade Ubuntu 9.10 (Karmic Koala) to Ubuntu 10.04 (Lucid Lynx) released on the 29th  April 2010.