Use gnome in ubuntu linux to solve the problem of ubuntu card machines

In ubuntu linux, gnome is used to solve the problem of ubuntu card machines. Platform: ubuntu12.10 32/64 bit cause: ubuntu10, ubuntu11 and later versions. It feels like a card when it is installed, this is mainly because the system uses the 3D desktop style by default. Unity goals: Delete the Unity style. Use the traditional gnome style. 1. install gnome $ sudo apt-get install gnome-panel. If the update fails, execute $ sudo apt-get update 2, log out of the user 3, click the small circle next to the user name and select "gnome (no effect) "log on to user 4. Uninstall unitysudo apt-get-y -- auto-remove purge unity-commonsudo apt-get-y -- auto-remove purge unity- Lens * sudo apt-get-y -- auto-remove purge unity-servicessudo apt-get-y -- auto-remove purge unity-asset-pool note: sudo apt-get -- auto-remove purge unity * cannot be used. Check that many of the software package lists have nothing to do with UNITY. And unity-greeter must be retained.