Question: how to config dns server on ubuntu?
Answer: Step 1- Update System. sudo apt-get update sudo apt-get upgrade sudo apt-get dist-upgrade.
Step 2 – Install DNS package. ... 
Step 3 – Install DNS Utilities. ... 
Step 4 – DNS Configuration. ... 
Step 5 – Configuring NameServer. ... 
Step 6 – Primary Master. ... 
Step 7 – Configuration Files Verification. ... 
5 Best Notepad++ Alternatives for Linux.