sudo apt update
sudo apt install certbot python3-certbot-nginx -y
sudo certbot certonly --nginx -d your-domain.com
sudo certbot certonly --nginx -d sub.your-domain.com
/etc/letsencrypt/live/your-domain.com/
sudo apt update
sudo apt install certbot python3-certbot-nginx -y
sudo certbot certonly --nginx -d your-domain.com
sudo certbot certonly --nginx -d sub.your-domain.com
/etc/letsencrypt/live/your-domain.com/