LinuxCrontab use -- scheduled task

You can use crontab to periodically execute scripts. Generally, crontab started in linux can be directly used. first, paste several service commands: sbinservicecrondstartsbinservicecrondstopsbinservicecrondrestartsbinservice.

Preface

To regularly execute scripts, you can use crontab. Generally, crontab is started in linux and can be directly used. first, paste several service commands:

/Sbin/service crond start
/Sbin/service crond stop
/Sbin/service crond restart
/Sbin/service crond reload

If crontab is not enabled, add/sbin/service crond start to the/etc/rc. d/rc. local script.

1. view, edit, and delete scheduled tasks

Each user has his/her own crontab scheduled task. pay attention to whether the script to be executed requires the root permission. if necessary, switch to the root operation.

(1) view

Use crontab-l

(2) edit and delete

Use crontab-e to add tasks like vi. The syntax is described below. You don't need to delete it. you just need to delete it directly.

2. Syntax

Example: 0 0 ***/home/shell/cut_nginx_log.sh

The first part is 0 0 ***. the execution time is minute, hour, day, month, and week. The example is 00:00 every day.

Part 2/home/shell/cut_nginx_log.sh: script to be executed

OK. is that simple? (^ ω ^ )?