crontab-定时器任务

0 0 15 */3 * /root/certbot/certbot-auto renew
0 1 * * * sh /home/project/jpress/jpress.sh restart
5 1 * * * sh /home/database_mysql_shell.sh
0 2 * * * sh tar -czvf /home/project/jpress.tar.gz  /home/project/jpress/