RDP in Ubuntu 13.04/13.10 (How to install xrdp and connect from Windows/OSX)

On the Ubuntu machine, install xrdp (via a terminal):

• sudo apt-get install xrdp

Install XFCE:

• sudo add-apt-repository ppa:xubuntu-dev/xfce-4.10
• sudo apt-get update
• sudo apt-get install xfce4

Configure your session to use XFCE:

• echo xfce4-session >~/.xsession  

Restart xrdp:

• sudo service xrdp restart

There. Quick and relatively easy fix.