Rails is now installed, but in order for us to use the rails executable, we need to tell rbenv to see it: rbenv rehash. Installing Rails is as simple as running the following command in your Terminal: gem install rails -v 6.0.2.2. $ gem install bundler 步骤 4 - 安装 Rails 环境. It’s a command-line tool that makes it easy to install and manage multiple independent Ruby environments on the same machine. Install Ruby 2 and Rails 5 The best way we’ve found to install Ruby and Rails on a Mac is using the Ruby Version Manager (RVM).
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