copyright https://mit-license.org
 File              : README.md
 Author            : chenxu <chenxu@mail.ustc.edu.cn>
 Date              : 6 2022-08-20 22:42:34
 Last Modified Date: 2 2022-08-23 12:00:39
 Last Modified By  : chenxu <chenxu@mail.ustc.edu.cn>

cp hosts.deny /etc/hosts.deny

for example: every 2 hours

for some system you need admin permission

crontab -e

add this line

*/2 * * * ~/blocks/sh2_generate.sh