Install Homebrew
$ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
Install Homebrew Cask
$ brew install caskroom/cask/brew-cask
$ brew tap caskroom/versions
$ brew install go
Install rbenv
$ brew install rbenv
$ brew install ruby-build
$ rbenv install 2.2.1
$ rbenv global 2.2.1
Install hub
$ brew install hub
or
$ ghq get github/hub
$ ghq look hub
$ rake install prefix=/usr/local
Install nodebrew
$ curl -L git.io/nodebrew | perl - setup
Install git-browse-remote
$ gem install git-browse-remote
Install homesick and clone dotfiles
$ gem install homesick
$ homesick clone ama-ch/dotfiles
$ homesick symlink dotfiles
Install oh-my-zsh
$ git clone git://github.com/robbyrussell/oh-my-zsh.git ~/.oh-my-zsh
That's all! Restart terminal.