Install Ruby version manager and rails framework on Linux
$ gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB
$ curl -sSL https://get.rvm.io | grep -v __rvm_print_headline | bash -s stable
$ gem install rails
Then install SQLite3
$ bundle install
$ bin/rails server -p 3002