LPI Linux Certification/Automate System Administration Tasks By Scheduling Jobs

From Wikibooks, open books for an open world
Jump to navigation Jump to search

Detailed Objectives[edit]

(LPIC-1 Version 5.0)


Weight: 4


Description:
Candidates should be able to use cron and systemd timers 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.
  • Understand systemd timer units.


The following is a partial list of the used files, terms and utilities:

  • /etc/cron.{d,daily,hourly,monthly,weekly}/
  • /etc/at.deny
  • /etc/at.allow
  • /etc/crontab
  • /etc/cron.allow
  • /etc/cron.deny
  • /var/spool/cron/
  • crontab
  • at
  • atq
  • atrm
  • systemctl
  • systemd-run