install it and the sample configuration file, and set their permissions::
sudo install dyn-nsupdate /var/lib/bind/dyn-nsupdate -o bind -g bind -m +rx,u+ws
- sudo install ../../dyn-nsupdate.conf /var/lib/bind/dyn-nsupdate.conf -o bind -g bind -m u+rw
+ sudo install ../../dyn-nsupdate.conf.dist /var/lib/bind/dyn-nsupdate.conf -o bind -g bind -m u+rw
Finally, edit the config file. The format should be pretty self-explanatory. In
particular, **change the password**!