Domain Name Server Ubuntu. Fully Qualified Domain Name FQDN in Ubuntu 2004. If you look at man 8 systemd-resolved you can see you have to change a different file called etcsystemdresolvedconf.
In the new Ubuntu version you cannot change etcresolvconf. You do not have to be admin but have a quota of computers that you can join without being an administrator. In ubuntu the local server by default is referred by the name localhost.
Setting up DNS nameservers on Ubuntu 1804 Desktop computers is super easy and requires no technical knowledge.
It is part of DNS Domain name System. Additional settings for the primary DNS server BIND9. Secondary DNS server IP 101110. How to change DNS and domain name.