How To Set Permanent DNS Nameservers in Ubuntu and Debian

source: https://www.tecmint.com/set-permanent-dns-nameservers-in-ubuntu-debian/

Install

$ sudo apt install resolvconf

$ sudo systemctl status resolvconf.service

$ sudo systemctl start resolvconf.service

$ sudo systemctl enable resolvconf.service

$ sudo systemctl status resolvconf.service

Configure

$ sudo nano /etc/resolvconf/resolv.conf.d/head

add

nameserver 1.1.1.1

nameserver 1.0.0.1

system restart

$ sudo systemctl start resolvconf.service

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