Howtoforge posted a guide about upgrading Ubuntu 8.04 (Hardy) To 8.10 (Intrepid)
Today the new Ubuntu 8.10 (Intrepid Ibex) has been released. This guide shows how you can upgrade your Ubuntu 8.04 desktop and server installations to Ubuntu 8.10.How To Upgrade Ubuntu 8.04 (Hardy) To 8.10 (Intrepid) (Desktop & Server)