1) apt-get install dhcp3-server
Non-authoritative version of DHCP server OK
2) pico /etc/dhcp3/dhcpd.conf
# option definitions common to all supported networks...
option domain-name "tkj.com";
option domain-name-servers ''adi.tkj.com'';
# If this DHCP server is the official DHCP server for the local
# network, the authoritative directive should be uncommented.
authoritative;
# A slightly different configuration for an internal subnet.
...