DHCP:
setup: dhcp-2.0p15*
cp /usr/share/doc/dhcp-2.0p15/dhcp.conf.sample /etc/dhcpd.conf
make /etc/dhcpd.conf look like this:
subnet 192.168.1.0 netmask 255.255.255.0 {
        range 192.168.1.128  192.168.1.250;
	option routers			192.168.1.15;
	option subnet-mask		255.255.255.0;
	option nis-domain		"domain.org";
	option domain-name		"200.mytree";
	option domain-name-servers	194.90.1.5, 199.203.1.20;
        option time-offset              -5; 
	range dynamic-bootp 192.168.1.128 192.168.1.255;
	default-lease-time 21600;
	max-lease-time 43200;
	# we want the nameserver to appear at a fixed address
	host ns 
        {
		hardware ethernet 12:34:56:78:AB:CD;
		fixed-address 192.168.1.3;
	}
}
touch /var/lib/dhcp/dhcpd.leases
/etc/rc.d/init.d/dhcpd start 
2 ethernet cards with a dhcp:
at /etc/init.d/dhcpd in the start() section make 
  the line like that:
daemon /usr/sbin/dhcpd eth0
info:
dhcp request is beeing asked every 3 hours
can b seen at /var/lib/dhcp/dhcpd.leases  
     
     
 
 
 
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