Ubuntu网络配置DNS失效问题:Temporary failure in name resolution

修改/etc/resolvconf/resolv.conf.d/base(这个文件默认是空的)
在里面插入:

nameserver 8.8.8.8
nameserver 8.8.4.4

如果有多个DNS就一行一个。
修改好保存,然后执行

resolvconf -u

再看/etc/resolv.conf,最下面就多了2行:

cat /etc/resolv.conf
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
#     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 8.8.8.8
nameserver 8.8.4.4

ping www.baidu.com测试。
参考:https://developer.aliyun.com/article/572268

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