Ostatnio musiałem konfigurować wpisy CRON na serwerze,
Wiedza która się Wam przyda:
Format:
* * * * * * | | | | | | | | | | | +-- Year (range: 1900-3000) | | | | +---- Day of the Week (range: 1-7, 1 standing for Monday) | | | +------ Month of the Year (range: 1-12) | | +-------- Day of the Month (range: 1-31) | +---------- Hour (range: 0-23) +------------ Minute (range: 0-59)
Kilka przykładów:
* * * * * * Each minute
59 23 31 12 5 * One minute before the end of year if the last day of the year is Friday
59 23 31 DEC Fri * Same as above (different notation)
45 17 7 6 * * Every year, on June 7th at 17:45
45 17 7 6 * 2001,2002 Once a year, on June 7th at 17:45, if the year is 2001 or 2002
0,15,30,45 0,6,12,18 1,15,31 * 1-5 * At 00:00, 00:15, 00:30, 00:45, 06:00, 06:15, 06:30,
06:45, 12:00, 12:15, 12:30, 12:45, 18:00, 18:15,
18:30, 18:45, on 1st, 15th or 31st of each month, but not on weekends
*/15 */6 1,15,31 * 1-5 * Same as above (different notation)
0 12 * * 1-5 * (0 12 * * Mon-Fri *) At midday on weekdays
* * * 1,3,5,7,9,11 * * Each minute in January, March, May, July, September, and November
1,2,3,5,20-25,30-35,59 23 31 12 * * On the last day of year, at 23:01, 23:02, 23:03, 23:05,
23:20, 23:21, 23:22, 23:23, 23:24, 23:25, 23:30,
23:31, 23:32, 23:33, 23:34, 23:35, 23:59
0 9 1-7 * 1 * First Monday of each month, at 9 a.m.
0 0 1 * * * At midnight, on the first day of each month
* 0-11 * * * Each minute before midday
* * * 1,2,3 * * Each minute in January, February or March
* * * Jan,Feb,Mar * * Same as above (different notation)
0 0 * * * * Daily at midnight
0 0 * * 3 * Each Wednesday at midnight
Status crona:
/etc/init.d/cron status Cron użytkownika:crontab -e Systemowe pliki:- /etc/cron.daily – codziennie
- /etc/cron.hourly – co godzinę
- /etc/cron.weekly – raz w tygodniu
- /etc/cron.monthly – raz w miesiącu
Polecam artykuł: https://webinsider.pl/raspberry-pi-linux-cron/