#!/bin/bash
#Notice : If you want to use this script , IP should be changed.
> /etc/sysconfig/network-scripts/ifcfg-eth0
cat <<EOF >>/etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
TYPE=Ethernet
ONBOOT=yes
NM_CONTROLLED=no
BOOTPROTO=static
IPADDR=192.168.122.1
NETMASK=255.255.255.0       
EOF
service network restart
> /etc/dhcp/dhcpd.conf
cat <<EOF >> /etc/fstab
/dev/sr0                /mnt/cdrom              iso9660 defaults        0 0
EOF
yum install dhcp -y
cat <<EOF >>/etc/dhcp/dhcpd.conf
subnet 192.168.122.0 netmask 255.255.255.0 {
  range 192.168.122.60  192.168.122.100;
  option routers rtr-239-0-1.example.org, rtr-239-0-2.example.org;
}
#host HOSTNAME {
# hardware ethernet MAC;
# fixed-address IP ;
#}
#HOSTNAME and IP should be changed
#For exampel
#host client{
#hardware ethernet  00:0C:29:A9:FA:F3 ;
#fixed-address 172.16.5.80;
#}
EOF
/etc/init.d/dhcpd restart
echo Congratulations !Configuration is OK !

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