Nginx/DuckDNS Cert

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Nginx/DuckDNS Cert: Troubleshooting Let's Encrypt SSL Certificate Installation

In this article, we will delve into the issue of installing Let's Encrypt SSL certificates using the DuckDNS domain with Nginx Proxy Manager on a Debian 12 system. We will explore the steps to reproduce the issue, the full error output, and additional context to help resolve the problem.

Nginx Proxy Manager is a popular tool for managing Nginx proxies, and it provides a user-friendly interface for installing SSL certificates using Let's Encrypt. However, in some cases, users may encounter issues when trying to install SSL certificates using the DuckDNS domain.

The issue arises when trying to install an SSL certificate using the DuckDNS domain. The error message indicates that there is an unrecognized argument in the Certbot command. Specifically, the error message states:

CommandError: usage: certbot [SUBCOMMAND] [options] [-d DOMAIN] [-d DOMAIN] ...

certbot: error: unrecognized arguments: --dns-duckdns-credentials /etc/letsencrypt/credentials/credentials-9 --dns-duckdns-no-txt-restore

To reproduce the issue, follow these steps:

  1. Install Nginx Proxy Manager on your Debian 12 system.
  2. Create a new proxy server and select the "Add SSL" option.
  3. Choose the "Let's Encrypt" certificate type and select the DuckDNS domain.
  4. Click the "Install" button to install the SSL certificate.

The full error output is as follows:

Internal Error CommandError: usage: certbot [SUBCOMMAND] [options] [-d DOMAIN] [-d DOMAIN] ...

Certbot can obtain and install HTTPS/TLS/SSL certificates. By default, it will attempt to use a webserver both for obtaining and installing the certificate. certbot: error: unrecognized arguments: --dns-duckdns-credentials /etc/letsencrypt/credentials/credentials-9 --dns-duckdns-no-txt-restore

at /app/lib/utils.js:16:13 at ChildProcess.exithandler (node:child_process:410:5) at ChildProcess.emit (node:events:513:28) at maybeClose (node:internal/child_process:1100:16) at Process.ChildProcess._handle.onexit (node:internal/child_process:304:5)

No additional context is provided.

To troubleshoot this issue, we can try the following steps:

  1. Check the Certbot configuration: Ensure that the Certbot configuration is correct and that the --dns-duckdns-credentials and --dns-duckdns-no-txt-restore arguments are not being used.
  2. Verify the DuckDNS credentials: Ensure that the DuckDNS credentials are correct and that the --dns-duckdns-credentials argument is pointing to the correct file.
  3. Check the Nginx Proxy Manager logs: Check the Nginx Proxy Manager logs for any errors or warnings related to the SSL certificate installation.
  4. **Try a different SSL certificate type Try installing an SSL certificate using a different type, such as the "Self-Signed" certificate type.

In this article, we have explored the issue of installing Let's Encrypt SSL certificates using the DuckDNS domain with Nginx Proxy Manager on a Debian 12 system. We have provided the steps to reproduce the issue, the full error output, and additional context to help resolve the problem. By following the troubleshooting steps outlined above, we can resolve the issue and successfully install the SSL certificate.

To avoid this issue in the future, we recommend the following:

  1. Verify the Certbot configuration: Ensure that the Certbot configuration is correct and that the --dns-duckdns-credentials and --dns-duckdns-no-txt-restore arguments are not being used.
  2. Use a different SSL certificate type: Consider using a different SSL certificate type, such as the "Self-Signed" certificate type, if the issue persists.
  3. Check the Nginx Proxy Manager logs: Regularly check the Nginx Proxy Manager logs for any errors or warnings related to the SSL certificate installation.

By following these recommendations, we can ensure that our SSL certificates are installed correctly and that our Nginx Proxy Manager setup is secure and reliable.
Nginx/DuckDNS Cert: Troubleshooting Let's Encrypt SSL Certificate Installation - Q&A

In our previous article, we explored the issue of installing Let's Encrypt SSL certificates using the DuckDNS domain with Nginx Proxy Manager on a Debian 12 system. We provided the steps to reproduce the issue, the full error output, and additional context to help resolve the problem. In this article, we will answer some frequently asked questions related to this issue.

Q: What is the cause of the "unrecognized arguments" error?

A: The "unrecognized arguments" error is caused by the --dns-duckdns-credentials and --dns-duckdns-no-txt-restore arguments being used in the Certbot command. These arguments are not recognized by the Certbot command, which is why the error occurs.

Q: How can I resolve the issue?

A: To resolve the issue, you can try the following steps:

  1. Check the Certbot configuration: Ensure that the Certbot configuration is correct and that the --dns-duckdns-credentials and --dns-duckdns-no-txt-restore arguments are not being used.
  2. Verify the DuckDNS credentials: Ensure that the DuckDNS credentials are correct and that the --dns-duckdns-credentials argument is pointing to the correct file.
  3. Check the Nginx Proxy Manager logs: Check the Nginx Proxy Manager logs for any errors or warnings related to the SSL certificate installation.
  4. Try a different SSL certificate type: Try installing an SSL certificate using a different type, such as the "Self-Signed" certificate type.

Q: What is the difference between the --dns-duckdns-credentials and --dns-duckdns-no-txt-restore arguments?

A: The --dns-duckdns-credentials argument is used to specify the path to the DuckDNS credentials file. The --dns-duckdns-no-txt-restore argument is used to specify whether to restore the TXT record after the SSL certificate installation.

Q: How can I verify the DuckDNS credentials?

A: To verify the DuckDNS credentials, you can follow these steps:

  1. Check the credentials file: Ensure that the credentials file is correct and that the --dns-duckdns-credentials argument is pointing to the correct file.
  2. Verify the credentials: Verify that the credentials are correct and that the --dns-duckdns-credentials argument is pointing to the correct file.

Q: What is the purpose of the --dns-duckdns-no-txt-restore argument?

A: The --dns-duckdns-no-txt-restore argument is used to specify whether to restore the TXT record after the SSL certificate installation. If this argument is set to true, the TXT record will not be restored after the SSL certificate installation.

Q: How can I troubleshoot the issue further?

A: To troubleshoot the issue further, you can try the following steps:

  1. Check the Certbot logs: Check the Certbot logs for any errors or warnings related to the SSL certificate installation.
  2. Check the Nginx Proxy Manager logs: Check the Nginx Proxy Manager logs for any errors or warnings related the SSL certificate installation.
  3. Try a different SSL certificate type: Try installing an SSL certificate using a different type, such as the "Self-Signed" certificate type.

In this article, we have answered some frequently asked questions related to the issue of installing Let's Encrypt SSL certificates using the DuckDNS domain with Nginx Proxy Manager on a Debian 12 system. We have provided the steps to resolve the issue and troubleshoot the problem further. By following these steps, you can successfully install the SSL certificate and ensure that your Nginx Proxy Manager setup is secure and reliable.