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> in a pre-determined path on your domain That would be easy and elegant. But they want you to install software on your server.

• icebraining 9y ago
  They want to make it easier, and that's the easiest way, but it's not required. You can perfectly well run it on your machine and copy the files manually to the server. You can even use a simple webpage as your local client: https://gethttpsforfree.com/ https://gethttpsforfree.com/
• corford 9y ago
  The only software you need is something that can speak the ACME protocol, which is what letsencrypt uses to receive your CSR (which you can generate yourself with openssl), issue challenge tokens and then (subject to you successfully passing the challenge) give you a certificate. You don't necessarily have to do any of the above on the server for which you want the certificate. You can do it somewhere else and then transfer the resulting certificate to the intended host (either manually or with a shell script/ansible/puppet whatever).
• louiz 9y ago
  The software just negociates the token and such things, and communicates with EL to say “I want to have a certificate for such and such domains”. But you can place these tokens on your webserver by hand if you want, in a pre-determined path.