服务器 修改IP centOS,自动修改centos服务器IP地址

Linux服务器IP修改脚本 ；

配置Linux服务器静态I地址P。

IP配置默认存放路径：/etc/sysconfig/network-scripts/。

修改IP地址会同步修改：IP、NETMASK、GATEWAY。

IP地址修改完成后，确认重启网卡服务。

vim automatically_modify_server_IP.sh

#!/bin/bash

#2021-3-22 10:41:02

#auto change server ip

#Automatically modify server IP

######################

ETH_DEV="ens33"

BAK_DIR="/data/backup/`date +%Y%m%d`"

NETMASK="255.255.255.0"

GATEWAY="192.168.11.1"

DNS1="114.114.114.114

ETH_DIR="/etc/sysconfig/network-scripts/"

read -p "Please Enter Server IP address; " IPADDR

mkdir -p $BAK_DIR/

cd $ETH_DIR

cp ifcfg-${ETH_DEV} $BAK_DIR/ifcfg-${ETH_DEV}.$$

echo "TYPE=Ethernet

BOOTPROTO=static

ONBOOT=yes

DEVICE=$ETH_DEV

IPADDR=$IPADDR

NETMASK=$NETMASK

GATEWAY=$GATEWAY

DNS1=$DNS1">ifcfg-${ETH_DEV}

echo -e "\033[32m------------------------------\033[0m"

cat ifcfg-${ETH_DEV}

echo

sleep 2

#read -p "Plesae Enter yes or on,Restart Network.service or Quit?:" INPUT

read -p "Network Service is about to restart,To confirm enter either YES or ON?:" INPUT

if [ $INPUT == "yes" -o $INPUT == "y" -o $INPUT == "yes" -o $INPUT == "Y" ];then

service network restart

elif [ $INPUT == "R" -o $INPUT == "r" ];then

\cp $BAK_DIR/ifcfg-${ETH_DEV}.$$ ifcfg-${ETH_DEV}

cat ifcfg-${ETH_DEV}

fi

原文：https://blog.51cto.com/11353391/2668080