문제 발생 MySQL 설치 도중 다음과 같은 에러가 발생했다. The GPG keys listed for the "MySQL 5.7 Community Server" repository are already installed but they are not correct for this package. Check that the correct key URLs are configured for this repository. Failing package is: mysql-community-libs-compat-5.7.43-1.el7.x86_64 GPG Keys are configured as: file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql 문제 원인 MySQL의 GPG Key가 만료..