很多情况下，我们需要用到devel开发包，怎么用yum安装Linux常用的开发包/devel开发库？如下命令即可 yum -y install ntp make openssl openssl-devel pcre pcre-devel libpng libpng-devel libjpeg-6b libjpeg-devel-6b freetype freetype-devel gd gd-de

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