title: unison star topology
body: <p>How exactly does unison star topology work?
  I sort of understand the concept that one machine acts as the HUB where every spoke syncs to it but is it just a concept and I have to implement it on my own or is this some kind of feature built into unison?</p>
  
  <p>If I have to script this myself how exactly would I do it, what are the sync steps?</p>