![]() ![]() Some of the most common configurations are a caching nameserver, primary server, and secondary server. ![]() Very often these tools will be installed already, but to check and/or install dnsutils enter the following: sudo apt install dnsutils InstallationĪt a terminal prompt, enter the following command to install dns: sudo apt install bind9Ī very useful package for testing and troubleshooting DNS issues is the dnsutils package. Ubuntu ships with BIND (Berkley Internet Naming Daemon), the most common program used for maintaining a name server on Linux. Computers that run DNS are called name servers. In this way, DNS alleviates the need to remember IP addresses. Multi-node configuration with Docker-Composeĭistributed Replicated Block Device (DRBD)ĭomain Name Service (DNS) is an Internet service that maps IP addresses and fully qualified domain names (FQDN) to one another.
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