The Repository 'https //download.webmin.com/download/newkey/repository Stable Release' Is Not Signed [patched] Access

This error occurs because your system’s package manager ( apt ) cannot verify the authenticity of the Webmin repository. For security reasons, Linux distributions require a GPG (GNU Privacy Guard) key to "handshake" with a repository. If that key is missing, expired, or in the wrong format, the system blocks the connection to prevent you from downloading potentially malicious software.

To fix this, check both locations and remove the duplicate entry, keeping only the one that includes the signed-by tag we added above.

Run the following command to fetch the key, de-armor it (convert it to a format the system likes), and save it to your keyrings folder: This error occurs because your system’s package manager

Are you running into any or "Permission Denied" prompts while running these commands?

curl -fsSL https://webmin.com | sudo gpg --dearmor -o /usr/share/keyrings/webmin.gpg Use code with caution. 2. Update your Source List To fix this, check both locations and remove

Newer versions of Debian (12+) and Ubuntu (22.04+) have changed how they store keys (moving away from apt-key ), making old installation methods obsolete.

Troubleshooting the "Repository Not Signed" Error for Webmin To fix this

Webmin occasionally updates their signing keys, and your local version may be outdated. The Fix: How to Manually Add the Webmin Key