How to upgrade from Ubuntu 10.04, 10.10, 11.04 to Ubuntu 11.10 Oneiric Ocelot | Desktop & Server

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Updated 30-09-2011

Ubuntu 11.04 Natty Narwhal Beta is released! If you have ubuntu 11.04 Natty Narwhal or older version of ubuntu installed on your system, and you want to upgrade to this new release,  you can do it by following these instructions.

 

Important:

The most important things when it comes to upgrading are:

  1. That your data is safe
  2. That you end up with a fully functional system

Your personal data is the most valuable thing in your computer. If anything happens and you break your operating system, it’s not a problem, it can be reinstalled. If you lose your data… that’s a different story.

To be safe:

  1. Make a full backup of your data on an external device (USB stick or CD/DVD).
  2. Download and burn the liveCD of the newer release, and check that your hardware is fully functional with it.

 

- Desktop Upgrade:

So to upgrade from Ubuntu 11.04 or older on a desktop system, press Alt+F2 and type in update-manager -d into the command box. Update Manager should open up and tell you: New distribution release ’11.10′ is available ( See screenshot bellow).
Before to upgrade remember that is important to update your system first then click Upgrade and follow the on-screen instructions:

1- Press Alt+F2 and type in update-manager -d

upgrade-to-natty1

2- Now follow these steps :

First check for updates, then Install them, and finally click Upgrade and follow the on-screen instructions.

upgrade-to-natty2

- Server Upgrade:

To upgrade from Ubuntu 11.04 on a server system to Ubuntu 11.10:

1- install the update-manager-core package if it is not already installed:

sudo apt-get install update-manager-core

2- Edit /etc/update-manager/release-upgrades and set Prompt=normal;

3- Launch the upgrade tool with the command

sudo do-release-upgrade -d

and follow the on-screen instructions.

Important: This is a beta release. Do not install it on production machines. The final stable version will be released 9th of October 2011.

For questions please refer to our Q/A forum at : http://ask.unixmen.com/


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