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linux resolv.conf 配置資訊丟失解決方法

我要配置DNS,修改/etc/resolv.conf,修改後重啟服務 service network restart,修改/etc/resolv.conf的資訊丟失,請大家看看。[code]修改前的配置
# 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

解決方法在ifcfg-eth0 直接加入DNS1=xxx.xxx.xxx.xxx,再service networkrestart

DEVICE="eth0"
BOOTPROTO="static"
HWADDR="00:0C:29:B5:E4:65"
NM_CONTROLLED="yes"
ONBOOT="yes"
IPADDR=192.168.128.133
NETMASK=255.255.255.0
GATEWAY=192.168.128.1
DNS1=222.46.120.6

本機配置:直接拷貝

DEVICE=eth0
BOOTPROTO=static
IPADDR=192.168.33.66
NETMASK=255.255.255.0
ONBOOT=yes
GATEWAY=192.168.33.1
DNS1=192.168.33.1

再來檢視resolv.conf 多了一行 namerserver xxx.xxx.xxx.xx
# Generated by NetworkManager
nameserver 222.46.120.6

還有方法二:

終於找到一篇文章解決了我的問題:http://tech.techweb.com.cn/archiver/tid-380658.html
文章內容:
vim /etc/resolvconf/resolv.conf.d/head 檔案
顯示與resolv.conf相同的內容:
# Dynamic resolv.conf(5) file for glibc resolver(3) generated byresolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BEOVERWRITTEN)
在最後鍵入nameserver 202.102.152.3
儲存退出,
resolvconf -u
此時就可以正常上網了,重啟後不用在重新設定DNS了。