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This command:
$ letsencrypt certonly --manual --preferred-challenges dns --email [email protected] --domains test001.bar.com
outputs:
letsencrypt: error: unrecognized arguments: --preferred-challenges dns
From the documentation here: https://certbot.eff.org/docs/using.html#certbot-command-line-options
I find:
--preferred-challenges PREF_CHALLS
A sorted, comma delimited list of the preferred
challenge to use during authorization with the most
preferred challenge listed first (Eg, "dns" or "tls-
sni-01,http,dns"). Not all plugins support all
challenges. See
https://certbot.eff.org/docs/using.html#plugins for
details. ACME Challenges are versioned, but if you
pick "http" rather than "http-01", Certbot will select
the latest version automatically. (default: [])
Why do I get this error?
572
Once your ACME client tells Let's Encrypt that the file is ready, Let's Encrypt tries retrieving it (potentially multiple times from multiple vantage points). If our validation checks get the right responses from your web server, the validation is considered successful and you can go on to issue your certificate.
The ACME CA challenges the client to host a random number at a random URL under /. well-known/acme-challenge on port 80. The CA verifies client control by issuing an HTTP GET request to that URL. This is a good general-purpose challenge type.
Let's Encrypt is a new Certificate Authority (CA) that offers FREE SSL certificates that are just as secure as paid certificates.
Found the answer, although the website states that letsencrypt and certbot are the same. It seems to not be the case.
$ apt-get install letsencrypt
$ apt-get install python-pip
$ pip install --upgrade pip
$ pip install certbot
$ certbot certonly --manual --preferred-challenges dns --email [email protected] --domains test001.bar.com
Does the trick
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