The Linux Cron time-based scheduler by default does not execute jobs with shorter intervals than 1 minute. This config will show you a simple trick how to use Cron time-based scheduler to execute jobs using seconds interval. Let’s start with basics. The following cron job will be executed every minute:
This is a companion discussion topic for the original entry at https://linuxconfig.org/how-to-execute-less-than-1-minute-intervals-jobs-using-cron-time-based-scheduler/