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Sunday, 5 April 2015

How To : Upgrade to Ubuntu 15.04 Vivid Vervet

    Even though the release of Ubuntu 15.04 Vivid Vervet is scheduled on April 23, 2015, you can enjoy using it today. Yes, the beta version of Ubuntu 15.04 Vivid Vervet is available for the users and this article will guide you to upgrade to this version from Ubuntu 14.10 Utopic Unicorn.


Before Upgrading:

1. Make sure that you are having the backup of all important data.
2. All the third party repositories should be disabled. (How to do that? Check this article.)
3. Owners of production systems are advised to wait till April 23 for the final release.

Desktop Edition

Step 1: Open the terminal and enter following commands in order to update the packages:

sudo apt-get update

sudo apt-get dist-upgrade

Step 2:
Start the software updater.

sudo update-manager -d

Step 3:
A window telling that "Ubuntu 15.04 is now available" for upgrade will be displayed.


Click on Upgrade and then on Confirm in the next window to begin with the upgrade process.

Server Edition

Step 1: Install Core Update Manager.

sudo apt-get install update-manager-core

Step 2: Open the release file using your favorite text editor.

sudo vim /etc/update-manager/release-upgrades

Step 3:
If you are upgrading to Normal release from LTS release, edit the following line:

Prompt=normal

If you are upgrading to LTS release from Normal release, edit the following line:

Prompt=lts

Step 4: Update the packages and proceed to the upgrade.

sudo apt-get update && sudo do-release-upgrade -d

Step 5: You will need to follow the instructions which will be displayed on screen. Once you are done with them, Congrats! You are upgraded to Ubuntu 15.04 Vivid Vervet!

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