LINUX System planning tasks (focus)

Cron: Automatically executes a script file on a regular basis.

-u specifies a user, without adding the current user

-e Make a scheduled task

-L List Scheduled Tasks

-R Delete Scheduled Tasks

EX:CRONTAB-E (writing a scheduled Task)

3 echo "OK" >/root/cron.log

Time-of-Day weekly command line

Every 8 hours, is to use all hours (0-23) to remove 8

When encountering multiple numbers (minutes, hours, months, weeks), you need to separate them with commas

A time period, expressed in a n-m way.

View Cron service startup: Service Crond Status

Start Cron:service crond Start

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LINUX System planning tasks (focus)