====== Upgrade von Ubuntu ======


Quelle((http://www.ubuntu.com/desktop/get-ubuntu/upgrade))


==== Network upgrade for Ubuntu desktops (Recommended) ====


You can easily upgrade over the network with the following procedure.   

  - Start System/Administration/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.
        

==== Network upgrade for Ubuntu servers (Recommended) ====


  - 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=normal 
  - Launch the upgrade tool:   sudo do-release-upgrade
  - Follow the on-screen instructions.   

===== Upgrade from 8.04 LTS to 10.04 LTS =====

==== Network upgrade for Ubuntu desktops (Recommended) ====


You can easily upgrade over the network with the following procedure.   

  - Press Alt-F2 and type update-manager --devel-release  
  - 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.   

==== Network upgrade for Ubuntu servers (Recommended) ====


  - 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 
  - Launch the upgrade tool: sudo do-release-upgrade --devel-release
  - Follow the on-screen instructions.

Other upgrade options exist, please view the Upgrade Notes to learn more.