cron is a Linux utility which schedules a command or script on your server to run automatically at a specified time and date. They're most commonly used for automating system maintenance or administration. However, they are also relevant to web application development. Why use cron? Server admins have been using cron jobs for a long time. You can expire and erase cached data files in a certain interval. You can auto-check your website content for broken links and have a report e-mailed to yourself regularly. Can update your database from external api Syntax Here is a simple cron job: 1 10 * * * * /usr/bin/php /www/virtual/username/cron.php > /dev/null 2>&1 It consists of five parts: minute hour day of month month day of week Can generate the sequence from crontab guru , https://crontab.guru/every-30-minutes Editing the Crontab Running this command wil...
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