Component Required to be Installed Ruby Rails Gem Database Server (Default installed SQLite) Installation Instructions on Mac Make sure you have appropriate Xcode version  and Xcode command Line Tools  and brew  installed Chetans-MacBook-Pro-2:~ cgiridhar$ brew install ruby ==> Installing dependencies for ruby: readline, libyaml ==> Installing ruby dependency: readline ==> Downloading https://downloads.sf.net/project/machomebrew/Bottles/readline-6.3.6.mavericks.bottle.tar.gz ######################################################################## 100.0% ==> Pouring … Continue reading RoR: Installation →