Thanks @Osiris.
Here is the most recent log file:
# cat letsencrypt.log
2020-07-30 15:14:24,542:DEBUG:certbot._internal.main:certbot version: 1.6.0
2020-07-30 15:14:24,544:DEBUG:certbot._internal.main:Arguments: ['--manual', '--preferred-challenges=dns', '-d', '*.ffolio-gwales.dev.supadu.com', '--server', 'https://acme-v02.api.letsencrypt.org', '--dry-run']
2020-07-30 15:14:24,544:DEBUG:certbot._internal.main:Discovered plugins: PluginsRegistry(PluginEntryPoint#apache,PluginEntryPoint#manual,PluginEntryPoint#nginx,PluginEntryPoint#null,PluginEntryPoint#standalone,PluginEntryPoint#webroot)
2020-07-30 15:14:24,567:DEBUG:certbot._internal.log:Root logging level set at 20
2020-07-30 15:14:24,568:INFO:certbot._internal.log:Saving debug log to /var/log/letsencrypt/letsencrypt.log
2020-07-30 15:14:24,569:DEBUG:certbot._internal.plugins.selection:Requested authenticator manual and installer None
2020-07-30 15:14:24,575:DEBUG:certbot._internal.plugins.selection:Single candidate plugin: * manual
Description: Manual configuration or run your own shell scripts
Interfaces: IAuthenticator, IPlugin
Entry point: manual = certbot._internal.plugins.manual:Authenticator
Initialized: <certbot._internal.plugins.manual.Authenticator object at 0x7f2a77bd8390>
Prep: True
2020-07-30 15:14:24,578:DEBUG:certbot._internal.plugins.selection:Selected authenticator <certbot._internal.plugins.manual.Authenticator object at 0x7f2a77bd8390> and installer None
2020-07-30 15:14:24,578:INFO:certbot._internal.plugins.selection:Plugins selected: Authenticator manual, Installer None
2020-07-30 15:14:24,579:DEBUG:certbot._internal.account:Account loading problem
Traceback (most recent call last):
File "/opt/eff.org/certbot/venv/lib64/python3.6/site-packages/certbot/_internal/account.py", line 234, in _load_for_server_path
with open(self._regr_path(account_dir_path)) as regr_file:
FileNotFoundError: [Errno 2] No such file or directory: '/etc/letsencrypt/accounts/acme-v02.api.letsencrypt.org/directory/regr.json'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/opt/eff.org/certbot/venv/lib64/python3.6/site-packages/certbot/_internal/account.py", line 182, in _find_all_for_server_path
accounts.append(self._load_for_server_path(account_id, server_path))
File "/opt/eff.org/certbot/venv/lib64/python3.6/site-packages/certbot/_internal/account.py", line 241, in _load_for_server_path
raise errors.AccountStorageError(error)
certbot.errors.AccountStorageError: [Errno 2] No such file or directory: '/etc/letsencrypt/accounts/acme-v02.api.letsencrypt.org/directory/regr.json'
2020-07-30 15:14:24,579:DEBUG:certbot._internal.account:Account loading problem
Traceback (most recent call last):
File "/opt/eff.org/certbot/venv/lib64/python3.6/site-packages/certbot/_internal/account.py", line 234, in _load_for_server_path
with open(self._regr_path(account_dir_path)) as regr_file:
FileNotFoundError: [Errno 2] No such file or directory: '/etc/letsencrypt/accounts/acme-v02.api.letsencrypt.org/directory/regr.json'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/opt/eff.org/certbot/venv/lib64/python3.6/site-packages/certbot/_internal/account.py", line 182, in _find_all_for_server_path
accounts.append(self._load_for_server_path(account_id, server_path))
File "/opt/eff.org/certbot/venv/lib64/python3.6/site-packages/certbot/_internal/account.py", line 241, in _load_for_server_path
raise errors.AccountStorageError(error)
certbot.errors.AccountStorageError: [Errno 2] No such file or directory: '/etc/letsencrypt/accounts/acme-v02.api.letsencrypt.org/directory/regr.json'
2020-07-30 15:14:25,001:DEBUG:acme.client:Sending GET request to https://acme-v02.api.letsencrypt.org.
2020-07-30 15:14:25,004:DEBUG:urllib3.connectionpool:Starting new HTTPS connection (1): acme-v02.api.letsencrypt.org:443
2020-07-30 15:14:25,514:DEBUG:urllib3.connectionpool:https://acme-v02.api.letsencrypt.org:443 "GET / HTTP/1.1" 200 None
2020-07-30 15:14:25,515:DEBUG:acme.client:Received response:
HTTP 200
Server: nginx
Date: Thu, 30 Jul 2020 15:14:39 GMT
Content-Type: text/html
Last-Modified: Mon, 25 Feb 2019 20:15:27 GMT
Transfer-Encoding: chunked
Connection: keep-alive
ETag: W/"5c744cdf-87e"
X-Frame-Options: DENY
Strict-Transport-Security: max-age=604800
Content-Encoding: gzip
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content=
"width=device-width, initial-scale=1">
<title>Boulder: The Let's Encrypt CA</title>
<link href=
"//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css"
rel="stylesheet" type="text/css">
<link href=
"//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css"
rel="stylesheet" type="text/css">
</head>
<body>
<div class="container-fluid">
<div class="row">
<div class="col-xs-6 text-right">
<p style="font-size: 90px;">
<i class="fa fa-barcode"></i></p>
</div>
<div class="col-xs-6 text-left">
<h1>Boulder<br>
<small>The Let's Encrypt CA</small></h1>
</div>
</div>
<div class="row">
<div class="col-xs-8 col-xs-offset-2 text-center">
<h3>This is an <a href="https://github.com/letsencrypt/acme-spec/">ACME</a> Certificate Authority running <a href="https://github.com/letsencrypt/boulder">Boulder</a>.</h3>
<p>This is a <em>programmatic</em> endpoint, an API for a computer to talk to. You should probably be using a specialized client to utilize the service, and not your web browser. See <a href="https://letsencrypt.org/"><tt>https://letsencrypt.org/</tt></a> for help.</p>
<p>If you're trying to use this service, note that the starting point, <em>the directory</em>, is available at this URL: <a href="https://acme-v02.api.letsencrypt.org/directory"><tt>https://acme-v02.api.letsencrypt.org/directory</a></tt>.</p>
</div>
</div>
<div class="row">
<div class="col-xs-4 col-xs-offset-2 text-center">
<p><a href="https://letsencrypt.status.io" title="Twitter">
<i class="fa fa-area-chart"></i>
Service Status (letsencrypt.status.io)
</a></p>
</div>
<div class="col-xs-4 text-center">
<p><a href="https://twitter.com/letsencrypt" title="Twitter">
<i class="fa fa-twitter"></i>
Check with us on Twitter
</a></p>
</div>
</div> <!-- row -->
</div>
</body>
</html>
2020-07-30 15:14:25,516:DEBUG:certbot._internal.log:Exiting abnormally:
Traceback (most recent call last):
File "/opt/eff.org/certbot/venv/bin/letsencrypt", line 11, in <module>
load_entry_point('letsencrypt==0.7.0', 'console_scripts', 'letsencrypt')()
File "/opt/eff.org/certbot/venv/lib64/python3.6/site-packages/certbot/main.py", line 15, in main
return internal_main.main(cli_args)
File "/opt/eff.org/certbot/venv/lib64/python3.6/site-packages/certbot/_internal/main.py", line 1353, in main
return config.func(config, plugins)
File "/opt/eff.org/certbot/venv/lib64/python3.6/site-packages/certbot/_internal/main.py", line 1220, in certonly
le_client = _init_le_client(config, auth, installer)
File "/opt/eff.org/certbot/venv/lib64/python3.6/site-packages/certbot/_internal/main.py", line 603, in _init_le_client
acc, acme = _determine_account(config)
File "/opt/eff.org/certbot/venv/lib64/python3.6/site-packages/certbot/_internal/main.py", line 519, in _determine_account
config, account_storage, tos_cb=_tos_cb)
File "/opt/eff.org/certbot/venv/lib64/python3.6/site-packages/certbot/_internal/client.py", line 173, in register
acme = acme_from_config_key(config, key)
File "/opt/eff.org/certbot/venv/lib64/python3.6/site-packages/certbot/_internal/client.py", line 43, in acme_from_config_key
return acme_client.BackwardsCompatibleClientV2(net, key, config.server)
File "/opt/eff.org/certbot/venv/lib64/python3.6/site-packages/acme/client.py", line 831, in __init__
directory = messages.Directory.from_json(net.get(server).json())
File "/opt/eff.org/certbot/venv/lib64/python3.6/site-packages/acme/client.py", line 1168, in get
self._send_request('GET', url, **kwargs), content_type=content_type)
File "/opt/eff.org/certbot/venv/lib64/python3.6/site-packages/acme/client.py", line 1087, in _check_response
'Unexpected response Content-Type: {0}'.format(response_ct))
acme.errors.ClientError: Unexpected response Content-Type: text/html
2020-07-30 15:14:25,517:ERROR:certbot._internal.log:An unexpected error occurred:
2020-07-30 15:14:25,517:ERROR:certbot._internal.log:acme.errors.ClientError: Unexpected response Content-Type: text/html
[root@dev letsencrypt]#