Install Xfce in an already installed system
Optional: If you want to uninstall GNOME and its dependencies first, do:
aptitude purge `dpkg --get-selections | grep gnome | cut -f 1`aptitude -f installaptitude purge `dpkg --get-selections | grep deinstall | cut -f 1`aptitude -f install
To install Xfce, do the following:
apt-get install xfce4
This will install a metapackage, which will install the core Xfce modules and scripts to get it to work.
There are many useful utilities that come with Xfce, to install these:
apt-get install xfce4-goodies