Yum 出现 Temporary failure in name resolution 解决方案

这几天在弄gae，提示出现各种问题，其中要装sqlite-devel,但是发现yum怎么不好用了呢~总是出现如下提示

[root@localhost google_appengine]# yum install sqlite-devel
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * addons: centos.ustc.edu.cn
 * base: centos.ustc.edu.cn
 * extras: centos.ustc.edu.cn
 * updates: centos.ustc.edu.cn
http://centos.ustc.edu.cn/centos/5.9/addons/i386/repodata/repomd.xml: [Errno 4] IOError: 
Trying other mirror.
http://ftp.nsysu.edu.tw/CentOS/5.9/addons/i386/repodata/repomd.xml: [Errno 4] IOError: 
Trying other mirror.
http://ftp.twaren.net/Linux/CentOS/5.9/addons/i386/repodata/repomd.xml: [Errno 4] IOError: 
Trying other mirror.

经过众多搜寻，改了又改，终于找到解决方案，

Temporary failure in name resolution 这个应该是DNS服务器解析问题，由于实验环境是虚拟机，查看

 vim /etc/resolv.conf

; generated by /sbin/dhclient-script
search localdomain
nameserver 192.168.35.2

发现域名服务器是本机，所以改下域名服务器地址

 ; generated by /sbin/dhclient-script
  search localdomain
  nameserver 192.168.35.2
  nameserver 221.130.33.52
   nameserver 169.95.1.1

保存后，yum无压力