Trouble with the Fast-track your Web apps with Ruby on Rails

hi plz bare with me, although i have some programing experience(icluding
a very small amount of ruby) but i am new to rails

1st this bit???

“Now you can view and modify the contents of your database at a URL like
http://rails.server/contact/ (in my test case, it’s
http://gnosis-powerbook.local:3000/contact/). After entering a little
data, it looks something like Figure 1 and Figure 2:”

where is this rails server im on dreamhost mayB this is a question more
apropriate on a dreamhost forum??

“ruby script/generate scaffold Contact”
didnt create public/stylesheets/scaffold.css ???