服务器初始化

#!/bin/bash
###配置静态IP，ip范围：172.16.10.150~188
GWAY="172.16.20.254"
NMASK="255.255.255.0"
DNS="114.114.114.114"
FILE_PATH="/etc/sysconfig/network-scripts/"
DEVICE="`ip a |grep -E "^2:"|awk -F ': ' '{print $2}'`"
NAME="`ip a |grep -E "^2:"|awk -F ': ' '{print $2}'`"
YUM="yum install -y"
FILE=ifcfg-$NAME
echo $FILE
change_IP()
{
    cd $FILE_PATH
    cp $FILLE ${FILE}.bak
    if [ ! -d $FILE_BAK ];then
        mkdir -p $FILE_BAK
    fi
    while true
    do
        echo -e "33[47;36m --------------------------------------------------------------33[0m"
        read -p "please Enter IP:Example 172.16.10.188,But,the ip range is 172.16.10.150~188:" IP
        echo $IP|grep -wE "^([0-9]{1,3}.){3}[0-9]{1,3}$"
        if [ $? -eq 0 ];then
        IP1=`echo $IP|awk -F. '{print $1}'`
        IP2=`echo $IP|awk -F. '{print $2}'`
        IP3=`echo $IP|awk -F. '{print $3}'`
        IP4=`echo $IP|awk -F. '{print $4}'`
        if [ $IP1 -gt 0 -a $IP1 -lt 255 -a $IP2 -ge 0 -a $IP2 -le 255 -a $IP3 -ge 0 -a $IP3 -le 255 -a $IP4 -ge 0 -a $IP4 -le 255 ];then
            ping -c 3 $IP >>/dev/null
            if [ $? -ne 0 ];then
                echo $IP
                break
            else
                echo "The $IP already config Server,Please retry other IPaddr."
            fi
        fi
        fi
    done
    grep "dhcp" $FILE
    if [ $? -eq 0 ];then
        sed -i 's/dhcp/static/g' $FILE
        cat >> $FILE <<EOF
IPADDR=$IP
NETMASK=$NMASK
GATEWAY=$GWAY
DNS=$DNS
EOF
        echo "------------------------------------"
        read -p "Please Ensure Restart Network Service. Yes or No ?" INPUT
        if [ $INPUT == "yes" -o $INPUT == "Y" -o $INPUT == "y"  ];then
            if [ `rpm -q  centos-release|cut -d- -f3` == 7 ];then
                systemctl restart network
            elif [ `rpm -q  centos-release|cut -d- -f3` == 6 ];then
                /etc/init.d/network restart
            fi
            cat $FILE
        else
            exit 0
        fi
    else
        cd $FILE_PATH
        read -p "The $FILE IP is Static,Are you sure change server IP:yes or no?" INPUT
        if [ $INPUT == "yes" ];then
        sed -i 's/IPADDR=.*/IPADDR=$IP/g' $FILE
        sed -i 's/NETMASK=.*/NETMASK=$NMASK/g' $FILE
        sed -i 's/GATEWAY=.*/GATEWAY=$GWAY/g' $FILE
        echo "DNS=$DNS" >> $FILE
        read -p "Please Ensure Restart Network Service. Yes or No ?" INPUT
        if [ $INPUT == "yes" -o $INPUT == "Y" -o $INPUT == "y"  ];then
        if [ `rpm -q  centos-release|cut -d- -f3` == 7 ];then
            systemctl restart network
        elif [ `rpm -q  centos-release|cut -d- -f3` == 6 ];then
            /etc/init.d/network restart
        fi
            cat $FILE
        fi
        fi
    fi
}