Install cronutils by entering the following commands in the terminal:
sudo apt update sudo apt install cronutils
Description:
Utilities to assist running batch processing jobs
A set of utilities to complement batch processing jobs, such as those run from cron, by limiting concurrent execution of jobs, setting hard limits on the runtime of a job, and recording execution statistics of a completed job.
Homepage: http://code.google.com/p/cronutils
Version: 1.9-1
Section: universe/admin