12.04.1
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| The overview of each of the products included with this release, as well as the known issues can be found in the following links. Infrastructure and common information for all the products is summarised under the Ubuntu Core product. |
The overview of each of product included with this release, as well as the installation, upgrade, and known issues can be found by following these links: |
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| * [[PrecisePangolin/ReleaseNotes/UbuntuServer|Ubuntu Server (LTS)]] * [[PrecisePangolin/ReleaseNotes/UbuntuCloud|Ubuntu Cloud (LTS)]] * [[PrecisePangolin/ReleaseNotes/UbuntuCore|Ubuntu Core (LTS) and Common Infrastructure]] * [[PrecisePangolin/ReleaseNotes/UbuntuOne|Ubuntu One]] |
* [[PrecisePangolin/ReleaseNotes/UbuntuServer|Ubuntu Server and Cloud (LTS)]] * [[PrecisePangolin/ReleaseNotes/UbuntuCore|Ubuntu Core (LTS)]] |
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| = Installation = | ##= Installation = ## KEEP THIS HERE TO CROSS CHECK ON THE LINKS IN THE SUBPAGES... ##== Download == |
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| == Overview == | ##Ubuntu 12.04 images can be downloaded from a location near you: |
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| 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. | ## * http://www.ubuntu.com/download (Ubuntu and Ubuntu Server) . |
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| 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. | ## In addition they can also be found at the following locations: |
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| == Download == Ubuntu 12.04 images can be downloaded from a location near you: * http://www.ubuntu.com/download (Ubuntu and Ubuntu Server) . In addition they can also be found at the following locations: * http://releases.ubuntu.com/12.04/ (Ubuntu, Ubuntu Server) * http://cloud-images.ubuntu.com/releases/12.04/ (Ubuntu Cloud Images) * http://cdimage.ubuntu.com/releases/12.04/ (Ubuntu Core, DVD, preinstalled ARM images, source) * http://cdimage.ubuntu.com/netboot/12.04/ (Ubuntu Netboot) * http://cdimage.ubuntu.com/edubuntu/releases/12.04/ (Edubuntu) * http://cdimage.ubuntu.com/kubuntu/releases/12.04/ (Kubuntu) * http://cdimage.ubuntu.com/lubuntu/releases/12.04/ (Lubuntu) * http://cdimage.ubuntu.com/mythbuntu/releases/12.04/ (Mythbuntu) * http://cdimage.ubuntu.com/ubuntustudio/releases/12.04/ (Ubuntu Studio) * http://cdimage.ubuntu.com/xubuntu/releases/12.04/ (Xubuntu) |
## * http://releases.ubuntu.com/12.04/ (Ubuntu, Ubuntu Server) ## * http://cloud-images.ubuntu.com/releases/12.04/ (Ubuntu Cloud Images) ## * http://cdimage.ubuntu.com/releases/12.04/ (Ubuntu Core, DVD, preinstalled ARM images, source) ## * http://cdimage.ubuntu.com/netboot/12.04/ (Ubuntu Netboot) ## * http://cdimage.ubuntu.com/edubuntu/releases/12.04/ (Edubuntu) ## * http://cdimage.ubuntu.com/kubuntu/releases/12.04/ (Kubuntu) ## * http://cdimage.ubuntu.com/lubuntu/releases/12.04/ (Lubuntu) ## * http://cdimage.ubuntu.com/mythbuntu/releases/12.04/ (Mythbuntu) ## * http://cdimage.ubuntu.com/ubuntustudio/releases/12.04/ (Ubuntu Studio) ## * http://cdimage.ubuntu.com/xubuntu/releases/12.04/ (Xubuntu) |
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| == System Requirements == ('''TODO:confirm with foundations and server teams this is still accurate''') 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 == === Desktop System === 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". === Server System === To upgrade from Ubuntu 11.10 on a server system, follow the steps listed below: # Install the {{{update-manager-core}}} package (if it is not already installed). # Use following command {{{sudo do-release-upgrade -d}}} to launch the upgrade tool. # Follow the on-screen instructions. Note that the server upgrade is now more robust and will utilize GNU screen and automatically re-attach in case of dropped connection problems, for example. == Upgrading from Ubuntu 10.04 LTS to Ubuntu 12.04 LTS == '''TODO: Update from 8.04 --> 10.04 starting point, and with new changes.... ''' === Desktop System === To upgrade from 10.04 LTS on a desktop system, You can easily upgrade over the network with the following procedure. Start System/Administration/Software Sources On the Updates tab, set Show new distribution releases: to Long term support releases only, then press Close. Press Alt-F2 and type update-manager 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. A message will appear informing you of the availability of the new release. Click Upgrade. Follow the on-screen instructions. === Server System === Network Upgrade for Ubuntu Servers (Recommended) Ensure you're up to date with latest release: sudo apt-get update sudo apt-get upgrade Install update-manager-core if it is not already installed: sudo apt-get install update-manager-core edit /etc/update-manager/release-upgrades and set Prompt=lts Note: The minumum contents of /etc/update-manager/release-upgrades should be [DEFAULT] Prompt=lts Launch the upgrade tool: sudo do-release-upgrade Follow the on-screen instructions. At the end of the upgrade process you will be required to restart the server in order to boot into the new kernel. If you do not have access to the console of the system you are upgrading, you may need to edit /boot/grub/menu.lst and change the default boot kernel to the newly installed 10.04 kernel. If this step is not performed your server may attempt to boot into the 8.04 LTS kernel and will hang. == 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 [[https://help.ubuntu.com/community/PreciseUpgrades| Precise upgrade instructions ]]. |
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| Ubuntu 12.04 would not be possible without the Ubuntu community's participation. A big thank you to those have [[PrecisePangolin/ReleaseNotes/Credits|contributed to 12.04]]! | Ubuntu 12.04 would not be possible without the contributions of our [[PrecisePangolin/ReleaseNotes/Credits/Developers|developers]], [[PrecisePangolin/ReleaseNotes/Credits/Testers|testers]], [[PrecisePangolin/ReleaseNotes/Credits/ReleaseTeam|release team members]], [[PrecisePangolin/ReleaseNotes/Credits/DocsTeam|documentation writers]], [[PrecisePangolin/ReleaseNotes/Credits/Translators|translators]] , and [[PrecisePangolin/ReleaseNotes/Credits/BugReporters| users who take the time to file bugs]]. Ubuntu is based on [[www.debian.org|Debian]], [[www.kernel.org|the Linux Kernel]] and our many other excellent upstream projects. Thank you!!! |
Table of Contents |
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 product included with this release, as well as the installation, upgrade, and known issues can be found by following these links:
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 contributions of our developers, testers, release team members, documentation writers, translators , and users who take the time to file bugs. Ubuntu is based on Debian, the Linux Kernel and our many other excellent upstream projects. Thank you!!!
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:
PrecisePangolin/ReleaseNotes/12.04.1 (last edited 2013-02-04 13:42:43 by 82-69-40-219)