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Remove Ubuntu Unity

Canonical introduced, since Ubuntu 11.04, their new desktop environment software called Unity. Although, this great tool is very friendly some users still used to the classic Gnome environment. Unfortunately, since Ubuntu 11.04, Unity comes installed by default and if you are not use to it, you have to uninstall and install the one yo like.

If you are not totally happy with Unity, here's a quick way to revert to Gnome.

First of all, make sure you have the latest updates:

sudo apt-get update
sudo apt-get upgrade

Now, let's install the classic gnome:

sudo apt-get install gnome-session-fallback

Once this is installed, Log out and choose the Gnome Classic by selecting it under the gear options.

Gnome Classic

Remove Unity

sudo apt-get purge unity-lens-music unity-lens-applications unity-greeter unity-common unity-asset-pool unity-2d-launcher unity-2d libunity-misc4 libunity-2d-private0 gir1.2-unity-4.0 appmenu-gtk appmenu-gtk3 appmenu-qt indicator-appmenu

By removing unity, the gnome-shell will be installed. This gives you an option to log in with the gnome-classic automatically.

At this point you can disable overlay scrollbars in Ubuntu. Also, you can install the gconf-editor:

    sudo apt-get install gconf-editor

This can be used to easily customize your new Gnome 3 environment.