shell 脚本快速部署dhcp服务器!

#!/bin/bash
# install dhcp server
if [ -d /media/Server ]; then
        if (rpm -q dhcp &> /dev/null) ; then
                echo "DHCP Server has been installed , then we will remove it."
                rpm -e dhcp --nodeps &> /dev/null
                if ( rpm -q dhcp &> /dev/null ); then
                        echo "Remove the dhcp RPM failly "
                        exit 2
                else
                        echo "Remove the dhcp RPM is successfull "
                fi
                rpm -i /media/Server/dhcp*.rpm --nodeps --force &> /dev/null
                if ( rpm -q dhcp &> /dev/null ); then
                        echo "DHCP RPM have been installed successfully."
                else
                        echo "DHCP RPM was installed failly."
                        exit 2
                fi
        else
                rpm -i /media/Server/dhcp*.rpm --nodeps --force &> /dev/null
                if ( rpm -q dhcp &> /dev/null ); then
                        echo "DHCP RPM have been installed successfully."
                else
                        echo "DHCP RPM was installed failly."
                        exit 2
                fi
        fi
else
        echo "/dev/cdrom isn't mounted , Pls do it."
        exit 1
fi
echo "################## config dhcp server ##################"
read -p "Pls put into the DHCP IP : " ip
read -p "Pls put into the DHCP MASK: " mask
read -p "Pls put into the DHCP GATEWAY: " gw
echo "################## Set IP Address : ###################"
IFCFG="/etc/sysconfig/network-scripts/ifcfg-eth0"
ipnet=$( echo $ip|awk -F. '{print $1"."$2"."$3}')
grep -q "none$" $IFCFG
if [ $? -ne 0 ];  then
        sed -i 's/dhcp/none' $IFCFG
cat <<dhcp! >> $IFCFG
NETMASK=$mask
IPADDR=$ip
GATEWAY=$gw
dhcp!
else
        sed -i "s/IPADDR=.*/IPADDR=$ip/" $IFCFG
        sed -i "s/NETMASK=.*/NETMASK=$mask/" $IFCFG
        sed -i "s/GATEWAY=.*/GATEWAY=$gw/" $IFCFG
fi
service network restart &> /dev/null

if (ping -c 2 -i 0.1 -W 1 $ip &> /dev/null); then
        echo "IP Address has been configured successfully ."
else
        echo "IP Address has been configured failly ."
        exit 4
fi
cat /usr/share/doc/dhcp-3.0.5/dhcpd.conf.sample > /etc/dhcpd.conf
sed -i "s/192.168.0/$ipnet/g" /etc/dhcpd.conf
sed -i "s/192.168.1.1/8.8.8.8,4.4.4.4/g" /etc/dhcpd.conf
service dhcpd restart &> /dev/null
service dhcpd status &> /dev/null
if [ $? -eq 0 ]; then
        echo "DHCP start successfully."
else
        echo "DHCP start failly."
fi

 

                                           搭建dhcp服务器完成

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                                                                                                                                              作者：---新