Free SSL Certs

semi-automatic script:

curl -L 'https://git.io/JaXBn' > /usr/local/bin/certbot-to-acme.sh; chmod +x  /usr/local/bin/certbot-to-acme.sh; certbot-to-acme.sh

manual:

curl https://get.acme.sh | sh
/root/.acme.sh/acme.sh --set-default-ca  --server  letsencrypt
/root/.acme.sh/acme.sh --register-account -m [email protected]
/root/.acme.sh/acme.sh -w /var/www/html --issue -d domain.com -d www.domain.com

Wildcard acme.sh SSL cert via Hetzner DNS:

curl 'https://raw.githubusercontent.com/matveynator/sysadminscripts/main/acme.sh-wildcard-hetzner-dns' > /usr/local/bin/acme.sh-wildcard-hetzner-dns; chmod +x /usr/local/bin/acme.sh-wildcard-hetzner-dns; sudo /usr/local/bin/acme.sh-wildcard-hetzner-dns

WILDCARD *.domain.com manual via DNS

export HETZNER_Token="HETZNERTOKEN"; /root/.acme.sh/acme.sh --issue --dns dns_hetzner -d domain.com -d *.domain.com

#acme.sh crontab /etc/acme nginx reload via (--renew-hook)

0 1 * * * /root/.acme.sh/acme.sh --renew-all &> /dev/null
0 2 * * * /etc/init.d/nginx reload &> /dev/null;

#show old certificates:

for domain in `certbot-auto certificates 2>/dev/null |grep "Domains:" |awk -F'Domains:' '{print$2}'`; do echo -n " -d $domain"; done;

#добавить в конфиг нгинкса:

        location /.well-known {
                root /var/www/html;
        }

#или в апаче:

Alias "/.well-known" "/var/www/html/.well-known"

#пример валидного конфига:

server {
        listen *:80;
        server_name domain.com;
        
        location /.well-known {
                root /var/www/html;
        }
        
        location / {
                 return 301 https://$host$request_uri;
        }
}

server {
        server_name domain.com;
        listen *:443 ssl;
        ssl_certificate /root/.acme.sh/domain.com/fullchain.cer;
        ssl_certificate_key /root/.acme.sh/domain.com/domain.com.key;

        location / {
                root /var/www/domain.com;
        }
}

server {
	listen *:80;
	server_name domain.com;

	location /.well-known {
		root /var/www/html;
	}

	location / {
		return 301 https://$host$request_uri;
	}
}

server {
	server_name domain.com;
	listen *:443 ssl;
	ssl_certificate /root/.acme.sh/domain.com/fullchain.cer;
	ssl_certificate_key /root/.acme.sh/domain.com/domain.com.key;

	# Увеличиваем максимальный размер тела запроса до 1 ГБ
	client_max_body_size 1G;

	location / {
		proxy_pass http://IP;
		proxy_set_header Host $host;
		proxy_set_header X-Real-IP $remote_addr;
		proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
		proxy_set_header X-Forwarded-Proto $scheme;
		# Устанавливаем максимальный размер временного файла для проксирования
		proxy_max_temp_file_size 1024m;

	}
}