执行命令

yum -y install gcc pcre pcre-devel zlib zlib-devel openssl openssl-devel

报错信息如下

YumRepo Error: All mirror URLs are not using ftp, http[s] or file.
 Eg. Invalid release/repo/arch combination/
removing mirrorlist with no valid mirrors: /var/cache/yum/x86_64/6/base/mirrorlist.txt

解决办法：
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