centos-yum update问题-103在centOs上安装软件时。提示报错信息：Could not retrieve mirrorlist?release=6&arch=x86_64&repo=os error was14: PYCURL ERROR 6 – "Couldn’t resolvehost ‘mirrorlist.centos.org’"Could not retrieve mirrorlist?release=6&arch=x86_64&repo=extras errorwas14: PYCURL ERROR 6 – "Couldn’t resolvehost ‘mirrorlist.centos.org’"Could not retrieve mirrorlist?release=6&arch=x86_64&repo=updates errorwas14: PYCURL ERROR 6 – "Couldn’t resolvehost ‘mirrorlist.centos.org’":[Errno 14] PYCURL ERROR 6 – "Couldn’t resolve host ‘mirrors.163.com’"Trying other mirror.Error: Cannot retrieve repository metadata(repomd.xml) for repository: base. Please verify its path and try again[root@hbase01-222 ~]# service iptables stop[root@hbase01-222 ~]# nslookup mirrorlist.centos.org;; connection timed out; no servers couldbe reached到这里发现问题了，我的域名解析不了，yum的配置文件里指向的域名就识别不了了。重新设置下dns指向。[root@hbase01-222 ~]# vim /etc/resolv.conf# Generated by NetworkManagernameserver 8.8.8.8[root@hbase01-222 ~]# yum install gcc-c++
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，流转的时光，都成为命途中美丽的点缀，
