cat /etc/resolv.conf (查看resolv.conf中的内容： nameserver 是动态添加的……)

#通过添加/etc/resolvconf/resolv.conf.d/base, 间接向/etc/resolv.conf添加nameserver

sudo vi /etc/resolvconf/resolv.conf.d/base (添加下面两行)
nameserver 8.8.8.8
nameserver 8.8.4.4

sudo resolvconf -u

#/etc/resolv.conf内容已改变

cat /etc/resolv.conf

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