[Errno 14] curl#6 - "Could not resolve host: centos.ustc.edu.cn; 未知的错误"
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在CentOS中使用mysql创建多实例时，要用到tree命令，发现centos上面没有默认安装。于是手动yum -y install tree 安装tree命令，出现如题错误。
后来发现是DNS服务器错误。于是修改一下 /etc/resolv.conf 文件。
[root@localhost /]# vi /etc/resolv.conf# Generated by NetworkManagerdomain localdomainsearch localdomainnameserver 192.168.187.2nameserver 8.8.8.8添加一个nameserver 8.8.8.8完成。
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- [Errno 14] curl#6 - "Could not resolve host: centos.ustc.edu.cn; 未知的错误"
- 【问题解决】Could not resolve host: centos.ustc.edu.cn;
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