Nginx log file housekeep/rotation

1. put the nginx_log_rotation.sh in some where, e.g. /usr/local/nginx_log_rotation.sh
2. add system crontab task(executed every 0 a.m.):

> crontab -e
> 0 0 * * * /bin/sh /usr/local/nginx_log_rotation.sh
> :wq!

Tips:

1. Before using it, pls change nginx_home, nginx_log_path and keep_days in this script according to your requirement/environment.
2. Running on CentOS7.4