内容摘要：复制$opensslreq-x509-nodes-days365-newkeyrsa:2048-keyout/etc/nginx/certs/cert.key-out/etc/nginx/certs/

使用复制$ openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout /etc/nginx/certs/cert.key -out /etc/nginx/certs/cert.crt  1.