Install ruby-uuidtools by entering the following commands in the terminal:
sudo apt update sudo apt install ruby-uuidtools
Description:
UUIDs generation library for Ruby
UUIDTools was designed to be a simple library for generating any of the various types of UUIDs (or GUIDs if you prefer to call them that). It conforms to RFC 4122 whenever possible.
Homepage: http://uuidtools.rubyforge.org/
Version: 2.1.5-2
Section: universe/ruby