Install ruby-rufus-scheduler by entering the following commands in the terminal:
sudo apt update sudo apt install ruby-rufus-scheduler
Description:
job scheduler for Ruby
This package provides the gem rufus-scheduler, a job scheduler for Ruby. It is an in-process, in-memory scheduler that provides scheduling using at, cron, in and every jobs.
Homepage: http://github.com/jmettraux/rufus-scheduler
Version: 3.4.2-1
Section: universe/ruby