Install and configure gnome3 in UBUNTU12.04

Gnome3ubuntu12.04 adopts the unity interface by default. However, gnome3 is preferred. install gnome3: sudoapt-getinstallgnome-shell after the installation is successful, log out of the system and select GNOME on the logon interface to enter the system... gnome3 UBUNTU12.04 adopts the unity interface by default. However, gnome3 is preferred. install gnome3: sudo apt-get install gnome-shell after the installation is successful, log out of the system and select GNOME on the logon interface. after entering the system, the GNOME3 interface is displayed. however, due to system cleaning, you always want to uninstall the unity interface. set the default logon desktop environment to GNOME3. log on to the system on the gnome3 interface and set it as the default logon environment: sudo/usr/lib/lightdm-set-defau Lts-s gnome-classic sudo/usr/lib/lightdm-set-defaults-s gnome-shell always wants to uninstall Unity in a strange way: sudo apt-get-y -- auto-remove purge unity-commonp sudo apt-get-y -- auto-remove purge unity-lens * sudo apt-get-y -- auto-remove purge unity-services sudo apt-get-y -- auto-remove purge unity-asset-pool after logging on to the system again, the default interface is the GNOME3 interface. in addition, unity and unity2d are no longer available in the selected Desktop Project. Two options. ghost further configures the GNOME3 interface: first install a tool to facilitate management, installation of themes and desktop settings. sudo apt-get installgnome-tweak-tool currently the most popular Icon topic is Faenza Icon Theme. sudo add-apt-repository ppa: tiheum/equinoxsudo apt-get updatesudo apt-get install faenza-icon-theme after installation, in system tools-advanced settings, set the icon to faenza. note: GNOME Shell is GNOME 3 It provides window switching, opening applications, and other functions. together with the window manager, it forms the GNOME 3 desktop we see.