To ensure that the auto-generated resolv.conf file refers to your AD domain as a search domain, edit the NetworkManager settings for your system connection.. Open the NetworkManager control panel and navigate to the IPv4 Settings for your system connection. For Method, select Automatic (DHCP) addresses only.In the DNS servers text box, enter the IP address of your DNS name server …

But it is possible to change this DNS if it presents errors, slowness, failures in the delivery of packages or more, for this reason has created this tutorial, to teach you to change the DNS servers in Linux and for this case we will see how to do it in Ubuntu 19.04 but the process is similar in Ubuntu 18.04 or Ubuntu 18.10. Regardless of the distribution of Linux that you are using (such as Ubuntu, CentOS, Debian, Arch, Redhat, etc), the process of determining what DNS servers are currently being used for domain name resolution is the same. To determine what DNS servers are being used, you simply need to view the contents of the “/etc/resolv.conf” file. It worked like a charm and just added the line ‘domain morraye.local’ to the file, without erasing my dns settings. This was tested on Ubuntu 9.04 and Ubuntu 9.10. You might also want to play with these settings in your resolv.conf file

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!

DNS Config Under Linux. DNS usage on linux is done over a set of routines in the C library that provide access to the Internet Domain Name System (DNS). The resolver configuration file (resolv.conf) contains information that is read by the resolver routines the first time they are invoked by a process.In short each process requesting DNS will read /etc/resolv.conf over library. Flush DNS Cache on Ubuntu – Linux Hint

How to set DNS nameservers in Ubuntu Server 18.04

How to Find Out What DNS Servers Your PC, Mobile, and Mar 27, 2020 How to change the DNS servers in Ubuntu – Mimor It worked like a charm and just added the line ‘domain morraye.local’ to the file, without erasing my dns settings. This was tested on Ubuntu 9.04 and Ubuntu 9.10. You might also want to play with these settings in your resolv.conf file Configure DNS settings | Linux To configure a DNS server, add the dns-nameservers IP_ADDRESS line under the eth0 configuration: The line dns-nameservers 8.8.8.8 sets up a DNS server with the IP address of 8.8.8.8 as our DNS server (it is a public DNS server from Google). How to configure Network Settings in Ubuntu 18.04 Bionic