ReleaseNotes

Revision 3 as of 2012-03-12 22:47:29

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DRAFT NOTICE

*** This is the collection place for the release notes of 12.04 LTS (aka Precise Pangolin), please add useful information under the appropriate header or subpage ***

Introduction

These release notes for Ubuntu 12.04 (Precise Pangolin) provide an overview of the release and document the known issues with Ubuntu 12.04 and its flavors.

Product Overview

The overview of each of the products included with this release, as well as the known issues can be found in the following links.

Installation

Overview

Preparing your computer for Ubuntu is now much simpler, with a wider range of disk setup options. Each of these are detailed at length to provide you with a clear understanding of the actions that will take place with your selection.

You can now reinstall or upgrade an existing copy of Ubuntu with the Desktop CD installer, provided that your computer is connected to the Internet.

Download

Ubuntu 12.04 images can be downloaded from a location near you:

In addition they can also be found at the following locations:

System Requirements

(TODO:confirm with foundations and server teams this is still accurate - email sent 2012/03/12)

The minimum memory requirement for Ubuntu 12.04 is 384 MB of memory for Ubuntu Desktop. Note that some of your system's memory may be unavailable due to being used by the graphics card. If your computer has only the minimum amount of memory, the installation process will take longer than normal; however, it will complete successfully, and the system will perform adequately once installed.

The minimum memory requirement for Ubuntu Server 12.04 is 128 MB of memory.

The minimum memory requirement for Ubuntu Cloud 12.04 is .....??? TO DO

Systems with less memory may be able to select "Install Ubuntu" from the boot menu to run just the installer, rather than the whole desktop, or may be able to use the alternate install CD.

Upgrading

Upgrading from Ubuntu 11.10

To upgrade from Ubuntu 11.10 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 display following message: "New distribution release '12.04' is available. Click Upgrade and follow the on-screen instructions".

Upgrading from Ubuntu 10.04 LTS to Ubuntu 12.04 LTS

To upgrade from 10.04 LTS on a desktop system, upgrade over the network with the following procedure.

  1. Start System/Administration/Software Sources
  2. On the Updates tab, set Show new distribution releases: to Long term support releases only, then press Close.
  3. Press Alt-F2 and type update-manager
    1. Click the Check button to check for new updates. If there are any updates to install, use the Install Updates button to install them, and press Check again after that is complete.
    2. A message will appear informing you of the availability of the new release. Click Upgrade.
    Follow the on-screen instructions.

Upgrading from Other Releases

Users of other Ubuntu releases need to upgrade first to 11.10, and then to 12.04.

For further information on upgrading to 11.10, please see the Precise upgrade instructions.

Reporting bugs

Your comments, bug reports, patches and suggestions will help fix bugs and improve the quality of future releases. Please report bugs using the tools provided.

If you want to help out with bugs, the Bug Squad is always looking for help.

Ubuntu Project Contributors

Ubuntu 12.04 would not be possible without the Ubuntu community's participation. A big thank you to all those have contributed to 12.04!

If you would like to help shape Ubuntu in the future, please take a look at the list of ways you can participate.

More information

You can find out more about Ubuntu on the Ubuntu website and Ubuntu wiki.

To sign up for future Ubuntu development announcements, please subscribe to Ubuntu's development announcement list at: