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Initial disclaimer: I rarely build Linux servers, so I am not always up to date on my Linux skills.

I am setting up a DNS server for test and I need it to not see our local DNS or domain. I have set up static IPs with nameservers pointing to Google (and thanks 18.04 for making me learn netplan). Everytime I query my nameservers it show the 2 google servers and my two domain servers declared for DHCP. DHCP is disabled, yet I cannot get them to go away. When I check resolv.conf I can manually remove my domain, but as soon as I reapply netplan, it comes back. I can't have any crossover , as this needs to be an island. I don't want to install BIND until I can resolve this. Any thoughts would be appreciated.

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If you are using netplan, it automatically configures your network interfaces including the resolv.conf.

You can update your resolv.conf permanently by updating /etc/resolvconf/resolv.conf.d/head and restarting resolvconf service.

You can check the link for more details.

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    That did the trick I was looking for. Damn netplan changes. Why fix something that wasn't broken. – Brad Boozer Sep 27 '19 at 19:52
  • resolvconf is no longer installed by default on 18.04 and later and will only be present if you upgraded from a previous release. – slangasek Sep 28 '19 at 20:52

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