If you have more than one DNS server, just add a space between each: dns-nameservers X.X.X.X Y.Y.Y.Y Z.Z.Z.Z Just replace the Xs, Ys, and Zs with your own IPs of the DNS servers of choice, and when this is done, run this command to update the settings: sudo ifdown eth0 && sudo ifup eth0 Hope this helps!
When it comes to Ubuntu network interface configuration, the way in which you set a static IP has completely changed. The previous LTS version Ubuntu 16.04 used /etc/network/interface file to configure static IP addresses, but Ubuntu 18.04 use new method known as netplan. Dec 13, 2019 · Ubuntu, Linux mint or other Ubuntu based Linux distro may be already using another name server information handler like resolvconf, surely it will conflict with dnsmasq. So if you are planning to use dnsmasq on ubuntu as caching dns server, better to stop resolvconf first, have a look on commands bellow. Sep 17, 2019 · The file is parsed and checked for syntax errors, along with all files included by it. If there is no file is specified with the command, /etc/named.conf is read by default. 1. Check DNS (Bind) Configuration. In case of any changes done in bind configuration, I recommend checking the DNS configuration file before restarting service. In reply to the systemd comments in combination with Ubuntu: Ubuntu 14.04 still uses Upstart, so the changes to /etc/default/docker should have had the desired effect. It isn't until 15.04 that Ubuntu started using systemd by default. Aug 21, 2019 · Setting DNS Nameservers on Ubuntu Server # Back in the days, whenever you wanted to configure DNS resolvers in Linux you would simply open the /etc/resolv.conf file, edit the entries, save the file and you are good to go. This file still exists but it is a symlink controlled by the systemd-resolved service and should not be edited manually. Aug 15, 2014 · Copy the contents of this file to a file called /etc/init/consul.conf on each of your servers and the client as well. On the client, we need to modify the file just a bit. We should change the description to reference the fact that this is a client machine. We also need to change the configuration directory that is passed into the actual consul Jul 08, 2016 · Domain Name Service (DNS) is an Internet service that maps IP addresses and fully qualified domain names (FQDN) to one another. In this way, DNS alleviates the need to remember IP addresses. Computers that run DNS are called name servers. Ubuntu ships with BIND (Berkley Internet Naming Daemon), the most widely deployed DNS server.
Sep 17, 2019 · The file is parsed and checked for syntax errors, along with all files included by it. If there is no file is specified with the command, /etc/named.conf is read by default. 1. Check DNS (Bind) Configuration. In case of any changes done in bind configuration, I recommend checking the DNS configuration file before restarting service.
In the DNS Servers field, enter a comma-separated list of your DNS servers. Depending on your version of Ubuntu, if you see a switch called Automatic, switch it to OFF. Click the Save button. Do not edit your resolv.conf file!
In reply to the systemd comments in combination with Ubuntu: Ubuntu 14.04 still uses Upstart, so the changes to /etc/default/docker should have had the desired effect. It isn't until 15.04 that Ubuntu started using systemd by default.
Oct 24, 2019 · Save the file and restart networking services. sudo systemctl restart networking Setting up/Changing Hostname. The hostname of Ubuntu OS is configured in the file /etc/hostname. To edit /etc/hostname, enter the below command: sudo nano /etc/hostname. This file contains only the hostname of the file, change the name, and then save it. Jun 03, 2019 · Configure Dynamic IP address in Ubuntu. To obtain IP addressing from the DHCP server, use the same above configuration file syntax. But do not add the IP address, Gateway, and DNS server information. Here you can see my configuration file for dynamic IP addressing: