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UBuntu 14.04 LTE设置IP地址和一些服务器版本的Linux还不太一样。以Centos 7.0为例，网卡IP地址的配置文件应该是/etc/sysconfig/network-scripts/ifcfg-eth0
首先UBuntu 14.04 LTE下面IP地址的配置文件是/etc/network/interfaces。
jerry@ubuntu:/etc/network$ cat /etc/network/interfaces # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 192.168.2.100 gateway 192.168.2.2 netmask 255.255.255.0 network 192.168.2.0 broadcast 192.168.2.255 dns-nameservers 8.8.8.8 jerry@ubuntu:/etc/network$
把地址配好后用ifdown eth0后跟上ifup eth0重启网卡让前面的配置生效
jerry@ubuntu:/etc/network$ sudo ifdown eth0 jerry@ubuntu:/etc/network$ sudo ifup eth0 jerry@ubuntu:/etc/network$ ifconfig eth0 Link encap:Ethernet HWaddr 00:0c:29:e7:e6:57 inet addr:192.168.2.100 Bcast:192.168.2.255 Mask:255.255.255.0 inet6 addr: fe80::20c:29ff:fee7:e657/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:275 errors:0 dropped:0 overruns:0 frame:0 TX packets:374 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:31264 (31.2 KB) TX bytes:46453 (46.4 KB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:47566 errors:0 dropped:0 overruns:0 frame:0 TX packets:47566 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:8344572 (8.3 MB) TX bytes:8344572 (8.3 MB) jerry@ubuntu:/etc/network$ ping www.baidu.com PING www.a.shifen.com (61.135.169.121) 56(84) bytes of data. 64 bytes from 61.135.169.121: icmp_seq=1 ttl=128 time=102 ms 64 bytes from 61.135.169.121: icmp_seq=2 ttl=128 time=54.9 ms ^C --- www.a.shifen.com ping statistics --- 3 packets transmitted, 2 received, 33% packet loss, time 6396ms rtt min/avg/max/mdev = 54.940/78.678/102.417/23.740 ms
Linux ->> UBuntu 14.04 LTE下设置静态IP地址
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原文地址：http://www.cnblogs.com/jenrrychen/p/5079395.html
