# No nameservers found; try putting DNS servers into your
# ifcfg files in /etc/sysconfig/network-scripts like so:
#
# DNS1=xxx.xxx.xxx.xxx
# DNS2=xxx.xxx.xxx.xxx
# DOMAIN=lab.foo.com bar.foo.com
centos 7 网络DNS设置的相关配置文件配置
原文：http://ting2junshui.blog.51cto.com/975290/1969704
