cron

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什么是cron? Linux系统下Cron定时任务使用指南

在管理 linux 服务器的过程中，总有一些任务需要我们定期或重复执行。就比如备份任务，通常会选在服务器资源占用较少的时间段进行，比如每天凌晨。好在，我们有两个得力助手可以依赖—&mdaxUFvjsh;at和cron服务[详细]

2025-03-21 11:10 分类：运维
Windows task scheduler to execute tasks in seconds

I\'m looking for an open source/free task scheduler for Windows 7 (development machine) that will allow me to schedule tasks (HTTP requests to a web service) to run every x seconds.[详细]

2023-04-13 05:41 分类：问答
Linux: What should I use to run terminal programs based on a calendar system?

Sorry about the really ambiguous question, I really have no idea how to word it though hopefully I can give you more detail here.[详细]

2023-04-12 23:07 分类：问答
Another of the:- Cronjob not working

I have a cronjob, which is ni-on identical to other cronjobs that do work. But, for some I see nothing from this:-[详细]

2023-04-12 13:54 分类：问答
Run cron now without changing its settings

I have a job scheduled by cron: popping emails from server every hour. But sometimes I don\'t want to wait for 60 minutes to check my emails. To do it, I use a script which run the same command I ha[详细]

2023-04-12 11:40 分类：问答
Rails + Heroku :: rake task inside cron task

Questions 1) When runni开发者_如何学JAVAng cron tasks at Heroku, does Heroku have a time limit that cron tasks should last only X minutes or can the cron task run for whatever time it needs to comple[详细]

2023-04-12 06:14 分类：问答
High CPU usage when using cron job and sending emails

I have a website which sends daily writing reminders to its users based on their timezone and hour settings. eg: a user in New York (America/New_York) prefers to receive his reminder at 9PM. in my cur[详细]

2023-04-12 03:50 分类：问答
Upload files even after closing the browser

Can we set the php file upload as a background process? I mean I will select files and click upload butto开发者_开发问答n and then close the browser. But the process should be on the back ground and a[详细]

2023-04-12 03:20 分类：问答
will this cronjob work?

im trying to set up a cronjob to run a PHP file. i just want to know if i am doing it right or not. lets say the php is located at http://mysite.c开发者_StackOverflow中文版om/myscript/cronjob.php, a[详细]

2023-04-11 21:48 分类：问答
Can a cron trigger's timer be reset?

I know I can reset the Java timer, but, since I already have so much work done using only a cron trigger, I wonder if it\'s possible to reset the amount of time left before the trigger fires.[详细]

2023-04-11 21:36 分类：问答