warning: rpmts_HdrFromFdno: Header V3 RSA/SHA256 Signature, key ID 0608b895: NOKEY
Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL

GPG key retrieval failed: [Errno 14] Could not open/read file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL
======================================================================

解决方案是:

rpm --import /etc/pki/rpm-gpg/RPM*

rpm --import /etc/pki/rpm-gpg/RPM*

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