설치 [darksharavim.tistory.com] git clone https://github.com/letsencrypt/letsencrypt /opt/letsencrypt 명령어 실행 [darksharavim.tistory.com] letsencrypt-auto certonly \ --manual \ --preferred-challenges=dns \ --email [이메일주소] \ --server https://acme-v02.api.letsencrypt.org/directory \ --agree-tos \ --no-bootstrap \ -d [도메인] \ -d *.[도메인] or [darksharavim.tistory.com] certbot certonly --manual \ --preferr..