Configuration of DHCP for shell scripts

Rpm-q DHCP &>/dev/null

If [$?-ne 0]

Then

Yum-y Install DHCP

echo "

Ddns-update-style Interim;

Ignore client-updates;

Option Domain-name-servers 192.168.1.1;

Default-lease-time 21600;

Max-lease-time 43200;

">/etc/dhcpd.conf

Fi

While True

Do

Read-p "Please input network:" Network

grep $network/etc/dhcpd.conf &>/dev/null

If [$?-eq 0];then

Read-p "continue to do? (yes/no) "yn

if [$yn = yes];then

Continue

Else

Break

Fi

Fi

Read-p "Please input gateway:" Gateway

Read-p "Please input netmask:" Netmask

Read-p "Please input start_ip:" Start_ip

Read-p "Please input end_ip:" End_ip

Read-p "Is you sure?" (yes/no) "yn

if [$yn! = yes];then

Continue

Fi

echo "

Subnet $network netmask $netmask {

option routers $gateway;

Option Subnet-mask $netmask;

Range DYNAMIC-BOOTP $start _ip $end _ip;

}

">>/etc/dhcpd.conf

Read-p "Contine to do? (yes/no) "yn

if [$yn = no];then

Break

Fi

Done

Service DHCPD Restart

Configuration of DHCP for shell scripts