dhcp
  #aptitude -y install dhcp3-server
  #nano /etc/dhcp/dhcpd.conf
  # A slightly different configuration for an internal subnet.
 subnet 192.168.10.0 netmask 255.255.255.0 {
 range 192.168.10.2 192.168.10.20;
   option domain-name-servers ns.smkn3.sch.id;
    option domain-name "smkn3.sch.id";
   option routers 192.168.10.1;
   option broadcast-address 192.168.10.255;
    default-lease-time 600;
   max-lease-time 7200;
#nano /etc/default/isc-dhcp-server
  INTERFACES="eth0"
#/etc/init.d/isc-dhcp-server restart
#reboot