install the package gnome3-session on maverick to add a gdm entry to the login screen. you will then be able to choose whether you want gnome-shell or vanilla gnome.
From the login screen select "GNOME Shell" from the session drop down. You can select it there just like you can select Unity, or KDE, or any other desktop environment you have installed.
install the package
gnome3-session
on maverick to add a gdm entry to the login screen. you will then be able to choose whether you want gnome-shell or vanilla gnome.One way is to navigate to system>preferences>startup applications and add gnome-shell --replace
While not ideal or official, it will save time from running the command from the terminal or alt+f2 by executing it for you upon startup
From the login screen select "GNOME Shell" from the session drop down. You can select it there just like you can select Unity, or KDE, or any other desktop environment you have installed.