Install ruby-macaddr by entering the following commands in the terminal:
sudo apt update sudo apt install ruby-macaddr
Description:
library to read system mac address
cross platform mac address determination for ruby. . This is useful for generating unique identification numbers (uuid). . Read /usr/share/ruby-macaddr/README for more info.
Homepage: https://github.com/ahoward/macaddr
Version: 1.7.1-2
Section: universe/ruby