설치
crontab 기본
crontab -e
crontab -l
crontab -d
crontab 설정
* * * * * /root/scripts/status_check.sh
40 6 * * 1 /root/scripts/status_check.sh
0,20,40 * * * * /root/scripts/status_check.sh
10-40 6 * * * /root/scripts/status_check.sh
*/20 * * * * /root/scripts/status_check.sh
*/20 4,5,6 10-12 * * /root/scripts/status_check.sh
crontab 실행 팁
예) */20 * * * * /root/scripts/status_check.sh >> /var/log/status_check.log 2>&1 * * 1 * * rm -rf /var/log/status_check.log 2>&1
59 1 5 * * sudo /usr/bin/certbot renew