Could not retrieve mirrorlist http://mirrorlist.centos.org || PYCURL ERROR 6

yum:Could not retrieve mirrorlist http://mirrorlist.centos.org || PYCURL ERROR 6

通过centos安装openldap的时候出现如题yum错误

vi /etc/resolv.conf  

将其中的地址替换为：nameserver 8.8.8.8 即可:;

似乎问题是出在DNS解析上