Install ruby-mixlib-cli by entering the following commands in the terminal:
sudo apt update sudo apt install ruby-mixlib-cli
Description:
Ruby mixin for creating command line applications
It provides a class based object to parse command line options. It supports long and short options, descriptions, and a number of other common features. . Mixlib::CLI provides a class-based command line option parsing object, like the one used in Chef, Ohai and Relish.
Homepage: https://www.chef.io
Version: 1.7.0-1
Section: universe/ruby