crontab -e
# For details see man 4 crontabs
# Example of job definition:
# .---------------- minute (0 - 59)
# | .------------- hour (0 - 23)
# | | .---------- day of month (1 - 31)
# | | | .------- month (1 - 12) OR jan,feb,mar,apr ...
# | | | | .---- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat
# | | | | |
# * * * * * user-name command to be executed
#每 60 分种执行
# */60 * * * * root /root/java/test1.sh
#每天 1 点 20 分 执行
# 20 1 * * * root /root/java/test2.sh
#文件最初肯定要留一个空行,不然命名:crontab /etc/crontab 会报错
重启服务:
sudo systemctl restart crond.service
查看工作
crontab -l
查看日志:
tailf /var/log/cron