How to set DNS in Ubuntu 20.04 command line?
This will help me to set DNS in Ubuntu 20.
I have set dns in /etc/network/interfaces: auto lo. Iface lo inet loopback. Iface lo inet6 loopback. I'm not sure what the next steps are and I'd like some help! From what I know about DNS resolvers (it's been a while, I've been too lazy to look it up and verify), you're going to need to use named. To configure named.conf with the proper information for Ubuntu, use the command sudo apt install bind9-doc You'll then want to edit /etc/bind/named.options.
You'll have to edit it with root privileges so you'll need to do sudo -i first. Then, from there, you should be able to type out the proper information that you want. When you're done editing, exit the root session by typing exit or by hitting CTRL-D on the bash prompt. If you want to view the configuration options, you can type in sudo service named restart. In order to see the dns settings that you've set, you need to run the nslookup command: nslookup server.ip.address
(where server.address is a domain that your server is authoritative for) You can then view the output of the nslookup command by using the -host command switch. Here's an example: root@docker-test:~# nslookup -host server.com Server: 172.1 Address: 172.1#53 Name: server.com Address: 127.
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