Resolving ‘Failed to Download Metadata for Repository’ Error on CentOS 7

When working with CentOS, particularly when installing or updating packages, you might encounter errors related to repository metadata. One such error is:

Error: Failed to download metadata for repo 'pgdg-common': repomd.xml GPG signature verification error: Bad GPG signature

This error commonly arises due to outdated or incorrect GPG keys used for verifying the repository metadata. In this post, we’ll explore different ways to resolve this issue on CentOS 7 and CentOS Stream 8.

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