// Ubuntu 20.04 sudo apt install certbot python3-certbot-nginx // Ubuntu 18.04 sudo add-apt-repository ppa:certbot/certbot sudo apt install python-certbot-nginx // Configure ufw sudo ufw allow 'Nginx Full' sudo ufw delete allow 'Nginx HTTP' sudo ufw delete allow 'Nginx HTTPS' sudo certbot --nginx -d example.com
sudo add-apt-repository ppa:certbot/certbot sudo apt install python-certbot-nginx sudo certbot --nginx -d example.com -d www.example.com
sudo certbot renew sudo service nginx restart