DHCP server ubuntu 12.04

root@server:~# apt-cache search dhcp.-server
isc-dhcp-server - ISC DHCP server for automatic IP address assignment
dhcp3-server - ISC DHCP server (transitional package)
isc-dhcp-server-ldap - DHCP server able to use LDAP as backend
root@server:~#
root@server:~# apt-get install isc-dhcp-server