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ubuntu下修改静态IP
打开/etc/network/interfaces文件，修改为以下内容
auto eth0
iface eth0 inet static
address 172.30.1.xxx
network 255.255.0.0
gateway 172.30.1.1
添加DNS地址，打开/etc/resolvconf/resolv.conf.d/base文件，添加DNS如下
nameserver 180.76.76.76
nameserver 8.8.8.8
更新DNS，使其生效
sudo resolvconf -u
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centos下修改静态IP
打开/etc/sysconfig/network-scripts/ifcfg-eth0文件，修改为以下内容
auto eth0
iface eth0 inet static
address 172.30.1.xxx
network 255.255.0.0
gateway 172.30.1.1
添加DNS地址，打开/etc/resolv.conf文件，添加DNS如下
nameserver 180.76.76.76
nameserver 8.8.8.8
本文转自 XDATAPLUS 51CTO博客，原文链接:http://blog.51cto.com/xdataplus/1875087
