Ubuntu 设定静态IP：
切换到root用户，然后进入/etc/network目录。备份interfaces文件(备份文件是一个好习惯)
下面编辑interfaces文件，添加如下语句：
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1 # Assgin static IP by eric on 26-SEP-2012
2 iface eth0 inet static
3 address 192.168.196.135 #change to your static IP
4 netmask 255.255.255.0 #change to your netmask
5 gateway 192.168.196.255 #change to your getway
6 #We must specify dns-nameserver here
7 #in order to get internet access from host
8 dns-nameservers 192.168.196.255
9 auto eth0
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编辑完成后的interfaces文件内容如下：
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root@ubuntu:/etc/network# cat interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
#add by andy at 2014-08-14
# Assgin static IP by eric on 26-SEP-2012
iface eth0 inet static
address 192.168.196.135 #change to your static IP
netmask 255.255.255.0 #change to your netmask
gateway 192.168.196.255 #change to your getway
#We must specify dns-nameserver here
#in order to get internet access from host
dns-nameservers 192.168.196.255
auto eth0
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下一步就是重启网卡：
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root@ubuntu:/etc/network# /etc/init.d/networking restart
重启完成后，测试一下：
root@ubuntu:/etc/network# ping www.baidu.com.cn
PING www.a.shifen.com (220.181.112.244) 56(84) bytes of data.
64 bytes from 220.181.112.244: icmp_req=1 ttl=128 time=6.12 ms
64 bytes from 220.181.112.244: icmp_req=2 ttl=128 time=14.7 ms
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OK。静态IP设置完成。
感谢阅读，希望能帮助到大家，谢谢大家对本站的支持！
原文链接：http://www.cnblogs.com/vikings-blog/p/3911905.html