Rip a tutsplus course with your cookie.
brew install wget
brew install exiftool
brew tap homebrew/dupes
brew install tidy
./getTutsPlus.sh path/to/cookie [coursename-from-url]
eg. url: https://tutsplus.com/course/riding-ruby-on-rails/ coursename would be "riding-ruby-on-rails"
Install Chrome extension cookie.txt export
To get cookie log into tutsplus with your premium account then copy cookie.txt export ouput plugin to a file.