X2Go Server (Client) installieren:
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/etc/apt/sources.list:

  # X2Go Repository
  deb http://packages.x2go.org/debian squeeze main

Installation (Keys & x2go Server ):

  apt-key adv --recv-keys --keyserver keys.gnupg.net E1F958385BFE2B6E
  apt-get update && aptitude install x2go-keyring
  apt-get install x2goserver

Xfce4 Session
/usr/bin/xfce4-session