1.查看是否安装httpd和SSL(如果有就可以进行下一步) $ rpm -qa | grep httpd httpd-tools-2.4.6-80.el7.centos.1.x86_64 httpd-2.4.6-80.el7.centos.1.x86_64 $ rpm -qa | grep ssl openssl-1.0.2k-12.el7.x86_64 python-backports-

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