apt-get install dnsmasq
vi /etc/dnsmasq.conf 
vi /etc/default/dnsmasq 
vi /etc/dnsmasq.d/local.conf
service dnsmasq restart
cat /etc/resolv.conf
service dnsmasq stop
cat /etc/resolv.conf
service dnsmasq start
cat /etc/resolv.conf
cat /etc/resolvconf/interface-order
cat /etc/network/interfaces
ls -lh /var/run/resolvconf/interface/
cat /var/run/resolvconf/interface/eth0.inet
cat /var/run/resolvconf/interface/lo.dnsmasq
host 192.168.200.1
host 192.168.200.10
host desktop
cat /etc/hosts
host server
host server-3
host email-server.linuxakademia.lan
vi /etc/dnsmasq.d/local.conf
vi /etc/network/iptables.up.rules
iptables-apply 
service dnsmasq restart
tail /var/log/syslog
sudo -s
tail /var/log/syslog
vi /etc/dnsmasq.d/local.conf
cat /etc/hosts
seq 1 254 |  awk '{ print("192.168.200."$1"\tdhcp-"$1".linuxakademia.lan\tdhcp-"$1) }'
seq 1 254 |  awk '{ print("192.168.200."$1"\tdhcp-"$1".linuxakademia.lan\tdhcp-"$1) }' > /etc/hosts.linuxakademia
vi /etc/hosts.linuxakademia 
vi /etc/hosts
vi /etc/hosts.linuxakademia 
service dnsmasq restart
host mail
host dhcp-122
host 192.168.200.149
vi /etc/hosts
vi /etc/dnsmasq.d/local.conf
host facebook.com
service dnsmasq restart
host facebook.com
vi /etc/dnsmasq.d/local.conf
cat /etc/nsswitch.conf 
fg
host gw.slapic.lan
service dnsmasq restart
host gw.slapic.lan
vi /etc/dnsmasq.d/local.conf
service dnsmasq restart
host gw.slapic.lan
vi /etc/dnsmasq.d/local.conf
vi /etc/ethers
vi /etc/dnsmasq.d/local.conf
service dnsmasq restart
tail /var/log/syslog
vi /etc/hosts.linuxakademia 
vi /etc/dnsmasq.d/local.conf
cat /var/lib/misc/dnsmasq.leases
vi /etc/dnsmasq.d/local.conf
service dnsmasq restart
host -t mx linuxakademia.lan
host -t mx server.linuxakademia.lan
vi /etc/dnsmasq.d/local.conf
service dnsmasq restart
host -t mx server.linuxakademia.lan
host -t mx desktop.linuxakademia.lan
vi /etc/dnsmasq.d/local.conf
service dnsmasq restart
host -t mx desktop.linuxakademia.lan
host -t mx mail.linuxakademia.lan
vi /etc/dnsmasq.d/local.conf
service dnsmasq restart
host -t srv _ldap._tcp.linuxakademia.lan
vi /etc/dnsmasq.d/local.conf
service dnsmasq restart
host -t TXT linuxakademia.hu
man dnsmasq