Install Gnome 3 on Ubuntu 11.04 and Ubuntu 10.10

Gnome community has released the latest version of Gnome desktop environment, Gnome 3. Gnome 3 is available for Ubuntu 11.04 and the previous versions of Ubuntu. But installation method of Gnome 3 on Ubuntu is different for different versions of Ubuntu, as installation of Gnome 3 is different on Ubuntu 11.04 and different on Ubuntu 10.04. In this guide, we will see how to install or activate Gnome 3 on Ubuntu 11.04 and Ubuntu 10.10.

Ubuntu 11.04 and Ubuntu 10.10 come with pre-installed Gnome 2. To upgrade to Gnome 3 from Gnome 2 follow the steps given below. 

NOTE: Installing Gnome 3 will break Unity.

Steps to upgrade Ubuntu 11.04 from Gnome 2 to Gnome 3.

1) Open the terminal and type

    $sudo add-apt-repository ppa:gnome3-team/gnome3

2) Now type

     $sudo apt-get update 

3) Then

    $sudo apt-get dist-upgrade

  You will be asked to upgrade the package, type 'Y' and press Enter.

4) After all the package get upgraded, type

   $sudo apt-get install gnome-shell

You will be asked if you want to install gnome shell, type 'Y' and press Enter.

To install Gnome 3 on Ubuntu 10.10:

Open the terminal and type the following command.

1)$sudo add-apt-repository ppa:ubuntu-desktop/gnome3-builds

2)$sudo apt-get update

3)$sudo apt-get install gnome-desktop3 

That's all. Your system will be upgraded to Gnome3.

To install the Gnome 3 on Ubuntu through the graphical method that is through synaptic manager.
1) Open the synaptic manager.
2) In setting menu select Repositories option.
3) In appeared window select the other software tab.
4) Click on Add.
5) In appearing window type ppa:gnome3-team/gnome3
6) Now click on Reload button.
7) Search for Gnome-shell and install it.

Gnome 3 screenshot

And that's all your system will be upgraded to Gnome3.

NOTE : Check here to see the common error after installing Gnome 3 and its troubleshooting.