centos7配置DNS

配置dns https://blog.csdn.net/teisite/article/details/81196244web 剛纔安裝smb時遇到問題yum [Errno 256] No more mirrors to try 解決方法：svg 系統信息：CentOS release 6.6 (Final).net 1.yum clean all 2.yum makecache 3.yum up

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