This is an old revision of the document!
# crontab -e # crontab -l 0 0 * * * /usr/sbin/freebsd-update cron 0 0 * * * /usr/sbin/portsnap cron */5 * * * * /etc/backup_conf.sh # crontab -l -u root ... # crontab -r
# grep df /etc/defaults/periodic.conf # cat /etc/periodic.conf daily_status_disks_df_flags="-h -t ufs"
# cat /etc/crontab ...
# periodic daily # more /var/mail/root # rm /var/mail/root
# pkg_add /usr/ports/packages/All/portaudit.tbz # ls /usr/local/etc/periodic/security # cp /root/backup_conf.sh /usr/local/etc/periodic/daily/ # periodic daily # more /var/mail/root
# cat /etc/crontab ... # echo "Hello from at > `tty`" | at now + 3 minutes # echo "killall ftpd " | at now + 2 days # echo "Hello from at > `tty`" | at 18:40 # echo "rm –rf /*" | at 23:59 12/31/2015 # atq # atrm 3 # at -c 2 ...