일부 서버에서는 Let's Encrypt 솔루션을 얻을 수 없습니다.

yum remove epel-release -y

wget -O /www/server/panel/certbot-auto http://download.bt.cn/install/certbot-auto.init -T 5

chmod +x /www/server/panel/certbot-auto && /www/server/panel/certbot-auto -n

Saving debug log to /var/log/letsencrypt/letsencrypt.log
Missing command line flags. For non-interactive execution, you will need to specify a plugin on the command line.  Run with '--help plugins' to see a list of options, and see https://eff.org/letsencrypt-plugins for more detail on what the plugins do and how to use them.