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How can I change the DNS nameserver for a Ubuntu instance on AWS?

When I edit /etc/network/interfaces it tells me to check /etc/netplan. That says that changes will not persist across an instance.

How do I change the nameserver?

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  • IIRC there is a symbolic link at /etc/resolv.conf - remove it, and recreate it as a file with a proper entry.
    – ivanivan
    Jan 13, 2019 at 6:46
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    I wonder if you could use a DHCP Option Set
    – Tim
    Jan 13, 2019 at 7:59

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