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Ubuntu 8.04 LTS is the upcoming version of the Ubuntu operating system. The common name given to this release from the time of its early development was “Hardy Heron”.

Note: This is still a beta release. Do not install it on production machines. The final stable version will be released in April 2008.

If you want to know what are new features in this release check here

Upgrade from 7.10 to 8.04 LTS Beta follow this procedure

Before you start Upgrading you need to know the following points

• This is still a beta release. Do not install it on production machines.

• You need to make sure you have complete backup of your machine

• Be sure that you have all updates applied to your current version of Ubuntu before you upgrade.

Now you need to Press Alt-F2 and type update-manager --devel-release Click on Run

Starting Update Manager in Progress

Now you can see New Distribution release 8.04 is available for upgrade click on upgrade

This will show you Ubuntu 8.04 Hardy Heron Release notes click on upgrade

Now it will prompt for root password enter your root password click ok

Preparing for upgrade in progress

If you are using any third party sources in your /etc/apt/sources.list file it will be disabled at the time of upgrade process click close

If you have any unsupported libs installed in your machine you can see similar to the following screen click close

Starting the upgrade process window click on Start Upgrade

Downloading the new Packages in Progress

After downloading this will start the installation of packages if you have more than one display managers installed this will prompt you to choose your default display manager and click Forward

Installing Packages in Progress

Installing Packages in Progress in Terminal

If you have installed any applications this will prompt for you to restart the services with new libs click forward

Cleaning Up process in Progress

You need to restart the system to complete the Upgrade by clicking “Restart Now”

Testing Your Upgrade

You can check the ubuntu version installed using the following command

sudo lsb_release -a

Output Looks like below

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