DHCP automation script

#! /Bin/bash

#

DHCP = "/mnt/Server/dhcp-3.0.5-23.el5.i386.rpm"

File =/etc/sysconfig/network-scripts/ifcfg-eth0

Grep DHCP $ File

If [$? -EQ 0]

Then

# Setting IP addresses

Read-P "Enter the IP address": IP

Read-P "Enter the subnet mask": Net

Read-P "Enter the gateway address": GA

Sed-I's/bootproto =. */bootproto = static/'$ File

Echo ipaddr = "$ IP" >>$ File

Echo gateway = $ ga >>$ File

Echo netmask = $ net >>$ File

Service Network restart

Else

# Setting IP addresses

Read-P "Enter the IP address": IP

Read-P "Enter the subnet mask": Net

Read-P "Enter the gateway address": GA

Sed-I's/^ ipaddr. * $/ipaddr = '$ ip'/' $ File

Sed-I's/^ bootproto =. */bootproto = static/'$ File

Sed-I's/^ netmask. * $/netmask = '$ net'/' $ File

Sed-I's/^ gateway. * $/gateway = '$ ga'/'$ File

Service Network restart

Fi

Rpm-q dhcp &>/dev/null

If [$? -EQ 1]

Then

Echo "attaching a cd"

If [! -D/mnt/Server]

Then

Umount/dev/CDROM &>/dev/null

Mount/dev/CDROM/mnt &>/dev/null

Echo "installing Service"

Rpm-IVH $ DHCP &>/dev/null

CP-P/usr/share/doc/dhcp-3.0.5/DHCPD. conf. Sample/etc/DHCPD. conf

Sed-I "4 S/192.168.0.0/192.168.1.0/"/etc/DHCPD. conf

Sed-I "4 S/255.255.255.0/$ net/"/etc/DHCPD. conf

Sed-I "7 S/192.168.0.1/$ Ga/"/etc/DHCPD. conf

Sed-I "12 S/192.168.1.1/$ IP/"/etc/DHCPD. conf

Sed-I "21 S/192.168.0.128/192.168.1.100/"/etc/DHCPD. conf

Sed-I "21 S/192.168.0.254/192.168.1.254/"/etc/DHCPD. conf

Service DHCPD restart

Chkconfig DHCPD on

Else

Echo "mounted"

Rpm-IVH $ DHCP &>/dev/null

CP-P/usr/share/doc/dhcp-3.0.5/DHCPD. conf. Sample/etc/DHCPD. conf

Sed-I's/192.168.0.0/192.168.1.0/'/etc/DHCPD. conf

Sed-I "4 S/255.255.255.0/$ net/"/etc/DHCPD. conf

Sed-I "7 S/192.168.0.1/$ Ga/"/etc/DHCPD. conf

Sed-I "12 S/192.168.1.1/$ IP/"/etc/DHCPD. conf

Sed-I '21 S/192.168.0.128/192.168.1.100/'/etc/DHCPD. conf

Sed-I '21 S/192.168.0.254/192.168.1.254/'/etc/DHCPD. conf

Service DHCPD restart

Chkconfig DHCPD on

Fi

Else

Echo "service installed"

Fi

This article is from the "linuxcbb" blog, please be sure to keep this source http://linuxcbb.blog.51cto.com/9434555/1559331

DHCP automation script