常用故障排查监控shell脚本

#!/bin/bash

#ping_monitor.sh


IP_ADDRESS=$1
    if [  -n "$IP_ADDRESS" ] ; then

        while :
        do
                PING_OK=`ping -c 1 -W 2  $IP_ADDRESS  | grep "time=" `
                if [ 0 -eq $? ]; then
                        echo "$PING_OK $TIME_ `date`" >> PING_${IP_ADDRESS}_OK.log
                else
                        echo "PING $IP_ADDRESS 2seconds TMOUT...  `date`"  >> PING_${IP_ADDRESS}_TMOUT.log
                fi

                sleep 1
        done
    else
        echo "用法：$0 <IP or 域名>"
        echo "监控日志请到当前目录下获取" 
    fi

curl 持续监控返回值

#!/bin/bash 
#
#Author:zhangmingda
#date:20191021
#use:持续监控https/http连接请求状态
#########################################################
logfile='curl_monitor.log'
if [ ! -f ${logfile}  ];then
    touch $logfile
fi  #日志文件
echo;echo "curl_log  result from  $1 " |tee -a ${logfile}
#########################################################
echo '                              DNS_OK: TCP_OK: DATA_START: TOTAL_TIME: http_code:'  | tee -a ${logfile}

while true  ;
do 
    tid="$(date '+%F %H:%M:%S')" ; 
    url=$1 ;
    curl -m 3 -4 -o /dev/null -s -w "curl_tid:${tid}   %{time_namelookup}    %{time_connect}    %{time_starttransfer}     %{time_total}     code:%{h
ttp_code} \n" \    ${url}   | tee -a  $logfile   ;   
    sleep 1;  
done