Linux Scheduled Tasks (ii)

Authorization for Scheduled Tasks

1.at Task/etc/at.allow/etc/at.deny

2.crontab Task/etc/cron.allow/etc/cron.deny

Note: If the Allow file exists, the user in enable can use a scheduled task that does not exist to find the Deny file, and the user in the Deny file cannot use the scheduled task "

Note: If both allow and deny files do not exist, it means that only the root user can use the

Remediation of Scheduled Tasks

Anacron Service Delay Remediation

If scheduled task execution fails

[Email protected] ~]# vim/etc/Anacrontab #anacron config file #/etc/anacrontab:configurationfile  foranacron# See Anacron (8) and Anacrontab (5) fordetails. SHELL=/bin/SHPATH=/sbin:/bin:/usr/sbin:/usr/Binmailto=Root1        $Cron.daily run-parts/etc/cron.daily # booting 65 minutes will perform daily's scheduled tasks, as follows 7        -Cron.weekly run-parts/etc/cron.weekly -       theCron.monthly run-parts/etc/cron.monthly