$ rpm -ql dhcp #检查是否安装dhcp
$ yum -y install dhcp* #安装dhcp
$ cd /etc/dhcp #配置文件位置
$ vim /etc/dhcp/dhcpd.conf
#
# DHCP Server Configuration file.
# see /usr/share/doc/dhcp*/dhcpd.conf.sample
# see 'man 5 dhcpd.conf'
#
ddns-update-style interim;
ignore client-updates;
filename "pxelinux.0";
next-server 192.168.10.10;
subnet 192.168.0.0 netmask 255.255.255.0{
option routers 192.168.10.1;
option subnet-mask 255.255.255.0;
range dynamic-bootp 192.168.10.2192.168.10.254;
default-lease-time 21600;
max-lease-time 43200;
}