Cron作业在特定时间启动和停止 [英] Cron job start and stop at certain time

问题描述

是否可以设置cron作业只在晚上在某些日子工作，例如，每个月的第一天从下午03点到晚上9点？

仅在晚上服务器负载较低时才执行电子邮件活动。

可以在特定时间运行cron作业，并在特定时间停止？

解决方案

您可以在09pm使用第二个cron作业来启动第二个程序， p>

有很多方法可以做到这一点。最简单的一个可能是让第二个程序在方便的地方触摸 terminate.txt 。在第一个程序的每个循环，它可以检查这个文件。如果存在，它可以删除该文件，然后正常退出。

Is it possible to setup a cron job to work on certain days only at night, for example, the first day of each month from 03pm to 09pm?

I want to do an email campaign only at night when the server load is low.

Is it possible to run a cron job at a certain time and stop it at a certain time?

解决方案

You could use a second cron job at 09pm to start a second program that tells the first program to terminate.

There are a number of ways to do this. One of the easiest might be to have the second program touch terminate.txt in a convenient place. On each loop of the first program, it could check for this file. If it exists, it could delete the file and gracefully exit.

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