Install ruby-net-telnet by entering the following commands in the terminal:
sudo apt update sudo apt install ruby-net-telnet
Description:
telnet client library
This package provides a telnet client library to use in Ruby programs. It used to be part of the Ruby standard library before Ruby 2.3, and was extracted to a standalone package.
Homepage: https://github.com/ruby/net-telnet
Version: 0.1.1-2
Section: ruby