Upgrading from Ubuntu 12.04
To upgrade from Ubuntu 12.04 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 '12.10′ is available. Click Upgrade and follow the on-screen instructions. Please read the known issues, before trying this.
To upgrade from Ubuntu 12.04 on a server system: install the update-manager-core package if it is not already installed; launch the upgrade tool with the command sudo do-release-upgrade -d; and follow the on-screen instructions. Note that the server upgrade will utilize GNU screen and automatically re-attach in case of e.g. dropped connection problems.
What is new in ubuntu desktop
In 12.10, the CD and DVD Ubuntu Desktop images are being consolidated into a single 800MB image usable on a USB disk or a DVD.
The remainder of GNOME 3.4 is now in the Ubuntu archives including Disks, Evolution, Seahorse/GNOME Keyring, and Totem. Some parts of GNOME 3.5.1/3.5.2 have already arrived with more to follow as we target GNOME 3.6 for Ubuntu 12.10.
udisks2 was uploaded to quantal and is used as the default backend for Unity and GNOME.
firefox and thunderbird have been updated to the new 13 version
Update Manager got a slightly new look, more to come in the future.
The "launchpad integration" menu items (report a bug, ask for help, translate) have been deprecated
The installer no longer offers the "migration assistant" that migrated documents and settings from other operating systems. This was a continuing source of bug reports, and the installer team felt that it was not worth the resources to bring it up to a level of quality sufficient to continue including it.
Download the Alpha 1
This release is for developers only. The Ubuntu Desktop images are now bigger than a standard CD, and you should us a USB for installation.
You can download Alpha 1 ISOs from:
http://cdimage.ubuntu.com/releases/quantal/alpha-1/ (Ubuntu Desktop and Server)
http://cloud-images.ubuntu.com/releases/quantal/alpha-1/ (Ubuntu Cloud Server)
http://cdimage.ubuntu.com/edubuntu/releases/quantal/alpha-1/ (Edubuntu DVD)
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