Ziks

apt update중 yarn 서명 키 사용 불가 관련에러 처리 방법 W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://dl.yarnpkg.com/debian stable InRelease: The following signatures were invalid: EXPKEYSIG 23E7166788B63E1E Yarn Packaging W: Failed to fetch https://dl.yarnpkg.com/debian/dists/stable/InRelease The following sign..