You'll need:
  ruby
  libgtk-ruby
  xlibs-dev (the X11 library headers)
  The X11 XTest extension (don't worry, you should have it built in)
  spicctrl (to change the brightenss of your lcd screen)
  aumix (to change the volume)

Then just:
  make
  su -c "make install"

And copy the sample .rsjogrc and .rsjogrc.menu to your home directory and
tweak.

Run rsjog from your .xsession like this:
  rsjog &

