一键修改IP多实例-v1
#!/bin/bash #2020-03-01 #auto change ip #By Flyaway ###################### grep "dhcp" /etc/sysconfig/network-scripts/ifcfg-ens33 if [ $? -eq 0 ];then cat >/etc/sysconfig/network-scripts/ifcfg-ens33 <<EOF TYPE=Ethernet BOOTPROTO=static DEFROUTE=yes DEVICE=ens33 ONBOOT=yes IPADDR=192.168.1.19 PREFIX=24 GATEWAY=192.168.1.1 DNS1=114.114.114.114 EOF fi cat /etc/sysconfig/network-scripts/ifcfg-ens33 systemctl restart network ifconfig
一键修改IP多实例-v2
#!/bin/bash #2020-03-01 #auto change ip #By Flyaway ###################### ETH_FIX="24" ETH_NAME="ens33" ETH_WAY="192.168.1.1" ETH_IP="192.168.1.19" ETH_DNS="114.114.114.114" ETH_BAK="/data/backup/$(date +%Y%m%d%H%M%S)" ETH_DIR="/etc/sysconfig/network-scripts/" cd $ETH_DIR if [ ! -d $ETH_BAK ];then mkdir -p $ETH_BAK fi cp ifcfg-$ETH_NAME $ETH_BAK grep "dhcp" ifcfg-$ETH_NAME if [ $? -eq 0 ];then cat >ifcfg-$ETH_NAME <<EOF TYPE=Ethernet BOOTPROTO=static DEFROUTE=yes DEVICE=$ETH_NAME_ ONBOOT=yes IPADDR=$ETH_IP PREFIX=$ETH_FIX GATEWAY=$ETH_WAY DNS1=$ETH_DNS EOF fi cat ifcfg-$ETH_NAME systemctl restart network ifconfig $ETH_NAME
一键修改IP多实例-v3
#!/bin/bash #2020-03-01 #auto change ip #By Flyaway ###################### ETH_IP="$1" ETH_FIX="24" ETH_NAME="ens33" ETH_WAY="192.168.1.1" ETH_DNS="114.114.114.114" ETH_DIR="/etc/sysconfig/network-scripts/" ETH_BAK="/data/backup/`date +%Y%m%d%H%M%S`" if [ $# -eq 0 ];then echo -e " 33[32m------------------------ 33[0m" echo -e " 33[32mUsage:{/bin/sh $0 192.168.1.xxx} 33[0m" exit 1 fi cd $ETH_DIR if [ ! -d $ETH_BAK ];then mkdir -p $ETH_BAK fi cp ifcfg-$ETH_NAME $ETH_BAK #CHECK_NUM=`grep "dhcp" ifcfg-$ETH_NAME|wc -l` #if [ $CHECK_NUM -eq 1 ];then grep "dhcp" ifcfg-$ETH_NAME if [ $? -eq 0 ];then cat >ifcfg-$ETH_NAME <<EOF TYPE=Ethernet BOOTPROTO=static DEFROUTE=yes DEVICE=$ETH_NAME_ ONBOOT=yes IPADDR=$ETH_IP PREFIX=$ETH_FIX GATEWAY=$ETH_WAY DNS1=$ETH_DNS EOF fi cat ifcfg-$ETH_NAME systemctl restart network ifconfig $ETH_NAME
一键修改IP多实例-v4
#!/bin/bash #2020-03-01 #auto change ip #By Flyaway ###################### ETH_IP="$1" ETH_FIX="24" ETH_NAME="ens33" ETH_WAY="192.168.1.1" ETH_DNS="114.114.114.114" ETH_DIR="/etc/sysconfig/network-scripts/" ETH_BAK="/data/backup/`date +%Y%m%d%H%M%S`" if [ $# -eq 0 ];then echo -e " 33[32m------------------------ 33[0m" echo -e " 33[32mUsage:{/bin/sh $0 192.168.1.xxx} 33[0m" exit 1 fi cd $ETH_DIR if [ ! -d $ETH_BAK ];then mkdir -p $ETH_BAK fi cp ifcfg-$ETH_NAME $ETH_BAK #CHECK_NUM=`grep "dhcp" ifcfg-$ETH_NAME|wc -l` #if [ $CHECK_NUM -eq 1 ];then grep "dhcp" ifcfg-$ETH_NAME if [ $? -eq 0 ];then cat >ifcfg-$ETH_NAME <<EOF TYPE=Ethernet BOOTPROTO=static DEFROUTE=yes DEVICE=$ETH_NAME_ ONBOOT=yes IPADDR=$ETH_IP PREFIX=$ETH_FIX GATEWAY=$ETH_WAY DNS1=$ETH_DNS EOF else read -p "The server static ipaddr alreaby exist,please ensure change other static ip?" INPUT if [ $INPUT == "yes" -o $INPUT == "y" -o $INPUT == "Y" ];then cat >ifcfg-$ETH_NAME <<EOF TYPE=Ethernet BOOTPROTO=static DEFROUTE=yes DEVICE=$ETH_NAME_ ONBOOT=yes IPADDR=$ETH_IP PREFIX=$ETH_FIX GATEWAY=$ETH_WAY DNS1=$ETH_DNS EOF fi fi cat ifcfg-$ETH_NAME systemctl restart network ifconfig $ETH_NAME
一键修改IP多实例-v5
#!/bin/bash #2020-03-01 #auto change ip #By Flyaway ###################### ETH_IP="$1" ETH_FIX="24" ETH_NAME="ens33" ETH_WAY="192.168.1.1" ETH_DNS="114.114.114.114" ETH_DIR="/etc/sysconfig/network-scripts/" ETH_BAK="/data/backup/`date +%Y%m%d%H%M%S`" function change_ip(){ cat >ifcfg-$ETH_NAME <<EOF TYPE=Ethernet BOOTPROTO=static DEFROUTE=yes DEVICE=$ETH_NAME_ ONBOOT=yes IPADDR=$ETH_IP PREFIX=$ETH_FIX GATEWAY=$ETH_WAY DNS1=$ETH_DNS EOF cat ifcfg-$ETH_NAME echo -e " 33[32m IP 修改成功请查看： 33[0m" } if [ $# -eq 0 ];then echo -e " 33[32m------------------------ 33[0m" echo -e " 33[32mUsage:{/bin/sh $0 192.168.1.xxx} 33[0m" exit 1 fi cd $ETH_DIR if [ ! -d $ETH_BAK ];then mkdir -p $ETH_BAK fi cp ifcfg-$ETH_NAME $ETH_BAK #CHECK_NUM=`grep "dhcp" ifcfg-$ETH_NAME|wc -l` #if [ $CHECK_NUM -eq 1 ];then grep "dhcp" ifcfg-$ETH_NAME if [ $? -eq 0 ];then change_ip else echo -e " 33[32m------------------------ 33[0m" cat ifcfg-$ETH_NAME read -p "The server static ipaddr alreaby exist,please ensure change other static ip?" INPUT if [ $INPUT == "yes" -o $INPUT == "y" -o $INPUT == "Y" ];then change_ip fi fi #cat ifcfg-$ETH_NAME systemctl restart network #ifconfig $ETH_NAME
一键修改IP多实例-v6
#!/bin/bash #2020-03-01 #auto change ip #By Flyaway ###################### ETH_IP="$1" ETH_FIX="24" ETH_NAME="ens33" ETH_WAY="192.168.1.1" ETH_DNS="114.114.114.114" ETH_DIR="/etc/sysconfig/network-scripts/" ETH_BAK="/data/backup/`date +%Y%m%d%H%M%S`" #定义函数： function change_ip(){ cat >ifcfg-$ETH_NAME <<EOF TYPE=Ethernet BOOTPROTO=static DEFROUTE=yes DEVICE=$ETH_NAME ONBOOT=yes IPADDR=$ETH_IP PREFIX=$ETH_FIX GATEWAY=$ETH_WAY DNS1=$ETH_DNS EOF cat ifcfg-$ETH_NAME echo -e " 33[32m IP 修改成功请查看： 33[0m" } #判断$1是否输入IP，不输入则退出： if [ $# -eq 0 ];then echo -e " 33[32m------------------------ 33[0m" echo -e " 33[32mUsage:{/bin/sh $0 192.168.1.xxx} 33[0m" exit 1 fi #判断目录是否存在，不存在则创建： cd $ETH_DIR if [ ! -d $ETH_BAK ];then mkdir -p $ETH_BAK fi #修改IP之前拷贝原网卡文件： cp ifcfg-$ETH_NAME $ETH_BAK #CHECK_NUM=`grep "dhcp" ifcfg-$ETH_NAME|wc -l` #if [ $CHECK_NUM -eq 1 ];then grep "dhcp" ifcfg-$ETH_NAME if [ $? -eq 0 ];then #引用函数：(动态IP修改为静态IP) change_ip else #静态IP修改为其他静态IP： echo -e " 33[32m------------------------ 33[0m" cat ifcfg-$ETH_NAME read -p "The server static ipaddr alreaby exist,please ensure change other static ip?" INPUT if [ $INPUT == "yes" -o $INPUT == "y" -o $INPUT == "Y" ];then change_ip fi fi #实现修改之前确认是否修改，如果不修改需要恢复原IP信息： read -p "The server ip change succeded,restart network.service yes or no?" INPUT if [ $INPUT == "yes" -o $INPUT == "y" -o $INPUT == "Y" ];then systemctl restart network else cp $ETH_BAK/ifcfg-$ETH_NAME $ETH_DIR cat ifcfg-$ETH_NAME fi
一键修改IP多实例-v7
#!/bin/bash #2020-03-01 #auto change ip #By Flyaway ###################### ETH_IP="$1" ETH_FIX="24" ETH_NAME="ens33" ETH_WAY="192.168.1.1" ETH_DNS="114.114.114.114" ETH_DIR="/etc/sysconfig/network-scripts/" ETH_BAK="/data/backup/`date +%Y%m%d%H%M%S`" #定义函数： function change_ip(){ cat >ifcfg-$ETH_NAME <<EOF TYPE=Ethernet BOOTPROTO=static DEFROUTE=yes DEVICE=$ETH_NAME ONBOOT=yes IPADDR=$ETH_IP PREFIX=$ETH_FIX GATEWAY=$ETH_WAY DNS1=$ETH_DNS EOF cat ifcfg-$ETH_NAME echo -e " 33[32m IP 修改成功请查看： 33[0m" } #判断$1是否输入IP，不输入则退出： if [ $# -eq 0 ];then echo -e " 33[32m------------------------ 33[0m" echo -e " 33[32mUsage:{/bin/sh $0 请输入将需要修改的IP：} 33[0m" exit 1 fi #while 判断用户输入的IP是否正确，如果不正确，让其循环输入，直到正确为止: while true do IP1=$(echo $ETH_IP|cut -d"." -f1) IP2=$(echo $ETH_IP|cut -d"." -f2) IP3=$(echo $ETH_IP|cut -d"." -f3) IP4=$(echo $ETH_IP|cut -d"." -f4) if [ ! -z $IP1 ];then if [ $IP1 -ge 1 -a $IP1 -le 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 echo $ETH_IP break else echo -e " 33[32m-------------------- 33[0m" read -p "Please retry input server ip: " ETH_IP fi fi read -p "Please retry input server ip: " ETH_IP done #判断目录是否存在，不存在则创建： cd $ETH_DIR if [ ! -d $ETH_BAK ];then mkdir -p $ETH_BAK fi #修改IP之前拷贝原网卡文件： cp ifcfg-$ETH_NAME $ETH_BAK #CHECK_NUM=`grep "dhcp" ifcfg-$ETH_NAME|wc -l` #if [ $CHECK_NUM -eq 1 ];then grep "dhcp" ifcfg-$ETH_NAME if [ $? -eq 0 ];then #引用函数：(动态IP修改为静态IP) change_ip else #静态IP修改为其他静态IP： echo -e " 33[32m------------------------ 33[0m" cat ifcfg-$ETH_NAME read -p "The server static ipaddr alreaby exist,please ensure change other static ip?" INPUT if [ $INPUT == "yes" -o $INPUT == "y" -o $INPUT == "Y" ];then change_ip fi fi #实现修改之前确认是否修改，如果不修改需要恢复原IP信息： read -p "The server ip change succeded,restart network.service yes or no?" INPUT if [ $INPUT == "yes" -o $INPUT == "y" -o $INPUT == "Y" ];then systemctl restart network else cp $ETH_BAK/ifcfg-$ETH_NAME $ETH_DIR cat ifcfg-$ETH_NAME fi