Summary

In this chapter, we dealt with automation at the command line. We touched on the at utility, focusing on creating a job that runs once. Next, our focus was the usage of the atq utility and how it displays all scheduled jobs that the at utility will run. Also, we saw how to leverage an option with the at utility to enable us to view the job queue. Following this, we looked at the atrm utility, the primary focus being the ability to remove a scheduled job. In addition to this, we also saw the possibility of stopping a job by using the at command and passing an option. We then covered cron , focusing on the various cron directories; each plays a vital role in terms of automating tasks. Next, we worked with crontab; we saw the breakdown of the syntax, and we then created a custom entry in crontab. Following this, we worked with anacron. We saw the use case of anacron and how...