====== XFCE display manager ======

===== Auto login =====

  # vim /etc/lightdm/lightdm.conf
  [SeatDefaults]
  autologin-user= # enter default user
  autologin-user-timeout=0 # no of seconds before default user is logged in

Make sure it is in Section [SeatDefaults] and not in the section that starts with # Seat Defaults. Restart lightdm after you edit the file.
  /etc/init.d/lightdm restart

===== Modify shell defaults =====

  vim ~/.bashrc
Enable terminal colors in the file. Do this for your normal user and the root user.

===== Fix Gparted installation =====

  apt-get install gksu
  cp /usr/share/applications/gparted.desktop ~/.local/share/applications/

Modify the command which starts gparted from the desktop environment:
  gparted-pkexec --> gksudo gparted

===== Default desktop =====

To reinstall the default desktop background image, navigate to
  /usr/share/images/desktop-base
and choose the joy-wallpaper.svg with the resolution of your screen