ubuntu18.04 server配置静态ip

看了一下这两篇的文章，写的很好了

https://blog.youkuaiyun.com/mossan/article/details/80381679

https://blog.youkuaiyun.com/peyte1/article/details/80509056

在/etc/netplan下配置，配置完 netplan apply

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DNS配置

DNS还是使用resolv.conf

sudo vi /etc/resolv.conf