Question: how to install bind dns server on ubuntu?
Answer: 1 Install BIND. Install bind9 with apt. sudo apt-get install -y bind9.
2 Configuration. Private network address is 192.168. 11.0/24. ... 
3 Validation. named-checkconf validates /etc/bind/named. conf and included files. ... 
4 Run BIND. Run BIND with systemd. ... 
5 Excution result. Run nslookup on server.