I have a problem with LETS ENCRYPT, the first domain created, installed and completed successfully and is working with http and https, all ok. In the second domain I did the same procedure and it failed to generate the certificate, so it blocked the apache and did not allow to upload the service, so I deleted / etc / apache2 / sites-available / in part <VirtualHost *: 443>, Then Apache come back the service to work. Remember that I have only a static public IP. My intention is to enable ssl in all my domains. My question is how can I clean up any files created with failure and how to fix this problem.