The Ubuntu team is pleased to announce the Release Candidate for Ubuntu 10.04 LTS (Long-Term Support) Desktop and Server Editions and Ubuntu 10.04 LTS Server for Ubuntu Enterprise Cloud (UEC) and Amazon's EC2, as well as Ubuntu 10.04 Netbook Edition. Codenamed "Lucid Lynx", 10.04 LTS continues Ubuntu's proud tradition of integrating the latest and greatest open source technologies into a high-quality, easy-to-use Linux distribution.We consider this release candidate to be complete, stable, and suitable for testing by any user.
Ubuntu 10.04 LTS Desktop Edition and Ubuntu 10.04 Netbook Edition continue the trend of ever-faster boot speeds, with improved startup times and a streamlined, smoother boot experience.Ubuntu 10.04 LTS Server Edition provides even better integration of the Ubuntu Enterprise Cloud, with its install-time cloud setup.
Ubuntu 10.04 LTS Server for UEC and EC2 brings the power and stability of the Ubuntu Server Edition to cloud computing, whether you're using Amazon EC2 or your own Ubuntu Enterprise Cloud.The Ubuntu 10.04 family of variants, Kubuntu, Xubuntu, Edubuntu, Ubuntu Studio, and Mythbuntu, also reach beta status today.
The final release of Ubuntu 10.04 LTS is scheduled for 29 April 2010 and will be supported for three years on desktops and five years on servers.
Upgrading from Ubuntu 9.10 or Ubuntu 8.04 LTS
To upgrade from Ubuntu 9.10 on a desktop system, press Alt+F2 and type in "update-manager -d" (without the quotes) into the command box. Update Manager should open up and tell you: New distribution release ‘10.04' is available. Click Upgrade and follow the on-screen instructions.
To upgrade from Ubuntu 9.10 on a server system: install the update-manager-core package if it is not already installed; edit /etc/update-manager/release-upgrades and set Prompt=normal; launch the upgrade tool with the command sudo do-release-upgrade -d; and follow the on-screen instructions.
To upgrade from Ubuntu 8.04 LTS: follow the same instructions as for the appropriate Ubuntu 9.10 upgrade, but set Prompt=lts instead of Prompt=normal.
Get it while it's hot. ISOs and torrents are available at:
http://releases.ubuntu.com/releases/10.04/ (Ubuntu Desktop, Netbook and Server)
http://uec-images.ubuntu.com/releases/10.04/rc/ (Ubuntu Server for UEC and EC2)
http://releases.ubuntu.com/kubuntu/10.04/ (Kubuntu Desktop and Netbook Remix)
http://cdimage.ubuntu.com/ubuntustudio/releases/lucid/rc/ (Ubuntu Studio)