getting a certificate from certbot code example
Example 1: certbot renew
sudo certbot renew --dry-run
Example 2: certbot configure
certbot certonly --webroot -w /var/www/html -d www.theflock.de -d theflock.de
sudo certbot renew --dry-run
certbot certonly --webroot -w /var/www/html -d www.theflock.de -d theflock.de