#!/bin/bash
new_ip=`curl ifconfig.me` #获取新公网ip
old_ip=`cat /root/ip` #查看旧ip
mail_sender=1776803208@qq.com #发件邮件邮箱
mail_user=xxxxx #接收收邮件邮箱
mail_subject=IP_CHANGED #邮件主题
if [ ! $new_ip == $old_ip ]
then
echo $new_ip > /root/ip
echo "ip has changed, the new ip is $new_ip !!! "|mail -s "$mail_subject" -S from=$mail_sender "$mail_user"
fi
注：需要安装mailx 按脚本新建对应得ip文件 –> /root/ip
配置定时任务：
*/5 * * * * /root/ip.sh >/dev/null 2>&1
其他获取新公网ip方法：
curl icanhazip.com
curl ifconfig.me
curl ident.me
curl http://ip.3322.net
curl whatismyip.akamai.com
curl http://members.3322.org/dyndns/getip
