# apt-get install vim mc htop nmap -y apt-get install isc-dhcp-server vi /etc/dhcp/dhcpd.conf ddns-update-style none; option domain-name "nixcraft.net.in"; option domain-name-servers 192.168.1.2, 192.168.1.3; subnet 10.20.30.0 netmask 255.255.255.0 { range 10.20.30.40 10.20.30.50; option subnet-mask 255.255.255.0; option broadcast-address 10.20.30.255; option routers 10.20.30.1; host hostname { hardware ethernet 00:B0:CF:8B:49:37; fixed-address 192.0.0.19; } vi /etc/default/isc-dhcp-server DHCPD_CONF=/etc/dhcp/dhcpd.conf DHCPD_PID=/var/run/dhcpd.pid # Additional options to start dhcpd with. # Don't use options -cf or -pf here; use DHCPD_CONF/ DHCPD_PID instead #OPTIONS="" INTERFACES="eth1" service isc-dhcp-server start # test netstat -tulpn | grep --color "dhcp" #udp 0 0 0.0.0.0:28992 0.0.0.0:* 6070/dhcpd #udp 0 0 0.0.0.0:67 0.0.0.0:* 6070/dhcpd #udp6 0 0 :::31788 :::* 6070/dhcpd ps aux | grep --color "[d]hcpd" #root 6070 0.0 0.2 6956 3008 ? Ss 21:08 0:00 /usr/sbin/dhcpd -q -cf #/etc/dhcp/dhcpd.conf -pf /var/run/dhcpd.pid eth1 http://wwwhttp://www.cyberciti.biz/faq/howto-ubuntu-debian-squeeze-dhcp-server-setup-tutorial/.cyberciti.biz/faq/howto-ubuntu-debian-squeeze-dhcp-server-setup-tutorial/