apt-get install bind9
cd /etc/bind/
cp /home/adminla/DNS/named.conf.* .
cp /home/adminla/DNS/slave.conf .
vi named.conf.local 
vi slave.conf 
less named.conf.options 
named-checkconf 
vi /etc/default/bind9 
service bind9 restart
ls -lh /var/cache/bind/
less /var/cache/bind/linuxakademia.hu
sudo -s
sudo service bind9 restart