Install ruby-validates-hostname by entering the following commands in the terminal:
sudo apt update sudo apt install ruby-validates-hostname
Description:
checks for valid hostnames
This package provides the gem validates_hostname. This gem is basically an extension to ActiveRecord::Base for validating hostnames. The gem can be used with ActiveRecord objects to check whether a provided hostname is valid or not.
Homepage: https://github.com/KimNorgaard/validates_hostname
Version: 1.0.7-1
Section: universe/ruby