Crontab另一种写法

@reboot Run once, at startup. 

@yearly Run once a year, “0 0 1 1 *”. 

@annually (same as @yearly) 

@monthly Run once a month, “0 0 1 * *”. 

@weekly Run once a week, “0 0 * * 0”. 

@daily Run once a day, “0 0 * * *”. 

@midnight (same as @daily) 

@hourly Run once an hour, “0 * * * *”. 

crontab转义网

https://crontab.guru