May 09, 2019
Dec 20, 2007 Change DNS settings on Linux If you receive an unknown host message, double-check the IP addresses that you set as your DNS servers. Add the same name servers with IPv6 addresses. If you’re using IPv6 on your server, you might need to add the IPv6 addresses of your name servers to the resolv.conf file. You can see if a DNS server has an IPv6 address by performing the How to Set Up a Local DNS Resolver on Ubuntu 18.04, 16.04 Jun 19, 2020
Ubuntu 14.04 LTS : DNS Server : Set CNAME record : Server
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Docker containers running in Ubuntu 18 can’t resolve DNS as they are trying to use the default Google DNS server 8.8.8.8 as their DNS server. (systemd-resolved is set as default on Ubuntu 18) and its content always contains the local ip 127.0.0.53: 1 2 3
How To Configure Static IP Address On Ubuntu 19.04 May 09, 2019 How to configure static IP address on Ubuntu 18.04 Bionic