LPIC-1 102 107.2 Scheduling tasks in Linux with at and cron

• Weight: 4
• Description: Candidates should be able to use cron or anacron to run jobs at regular intervals and to use at to run jobs at a specific time.

Key Knowledge Areas

• Manage cron and at jobs.
• Configure user access to cron and at services.

Terms and Utilities

• /etc/cron
• /etc/at.deny
• /etc/at.allow
• /etc/crontab
• /etc/cron.allow
• /etc/cron.deny
• /var/spool/cron/*
• crontab
• at
• atq
• atrm

In the first video will look at scheduling the once-off job with at; in the second we will use cron to schedule regular tasks.

And now for a little cron…