yum安装时出现Couldn't open file /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7


 cd /etc/pki/rpm-gpg/

wget https://archive.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-7

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转载自blog.csdn.net/qq_39583463/article/details/80950600