Note:- This will remove unity
Install gnome 3 on ubuntu 11.04
Open the terminal and run the following commands
gksudo add-apt-repository ppa:gnome3-team/gnome3
gksudo apt-get update
gksudo apt-get dist-upgrade
gksudo apt-get install gnome-shell
Before reboot run the followind tweaks
Issues with strange themes
You may have a strange theme and want the default Gnome 3 theme, run the following commands from your terminal
gksudo apt-get remove gnome-accessibility-themes
gksudo apt-get install gnome-themes-standard
Now let's restart. For those of you having the common graphical glitch, this issue is caused by the gnome-accessibility-themes and by not having the gnome standard themes. Once you reboot you should be at the fresh interface of Gnome 3.
Tweaking! Window buttons, different themes, etc.
Unfortunately, there's not a lot you can change initially, but we'll need to install another tool to help tweak some items, open a terminal again and install the following:
gksudo apt-get install gnome-tweak-tool
Open the gnome-tweak-tool by pressing ALT+F2 and typing in:
then press Enter. Here we can change a few basic settings. Go under interface to change the Gtk+ Theme. If you find you don't like something, just change it back.
To apply the changes, either log out and log back in or press ALT+F2 and type in just r and press Enter, which will refresh the Window Manager.
If you want your regular buttons on the right hand side for the windows do the following, press ALT+F2 and type in:
Press Enter and navigate to:
Change the button_layout to:
After you do that, you do need to press ALT+F2, type r, press enter, and it'll fix that.
If you have flickering, tearing, etc. of the windows and HAVE installed the graphics drivers, you need to remove them. Unfortunately with some chipsets you will experience tearing with the graphic drivers -- ATI for example.
Tips & Tricks
If have 2 separate windows open on one application, like 2 separate firefox windows (not tabs) and press ALT+TAB and while holding down ALT press Tab until you get to the firefox icon and press the down arrow key.
Press the Super key (windows logo key) then start typing in the name of an application. You don't need the mouse to get to your apps.
click on the circle with the little person in it, there's a way to find some accessibility settings.
Click at the top where it says todays date and time, it pops down a cool calendar that integrates with Evolution 3.0
Click on the application name in the top left, it has a quit menu so if you can't figure out how to quit an app or close a window, you can do it that way.
If you get stuck in a window that has no close button, try pressing the escape key.
When someone sends you an im, you can click on it at the bottom middle and reply if using Empathy.
If you press the activities button and go to the bottom right-hand side you should see a list of your current tray icons such as empathy chats. In the activities menu if you get an IM you can reply to it there.