Install ruby-railties by entering the following commands in the terminal:
sudo apt update sudo apt install ruby-railties
Description:
tools for creating, working with, and running Rails applications
This package contains the Rails internals, i.e. components that implement and/or control application bootup, plugins, generators, and rake tasks.
Homepage: http://www.rubyonrails.org
Version: 2:4.2.10-0ubuntu4
Section: universe/ruby