生产服务器监控脚本

去年写得一个监控脚本，现在贴给大家，希望对大家有用，本脚本主要监控 流量、负载、inode、进程文件打开数等。

适用于：RedHat、Centos、Fedora （Unix下需要做小小的调试）

使用方法：

1、mkdir -p /var/log/system 

2、然后写入计划任务

   -->

crontab -e

*/5 * * * * /var/log/system/system_monitor.sh

3、vim /var/log/system/system_monitor.sh  

|

#!/bin/sh
# By Zongzhuangkai
# 2010/12/3

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
export PATH

#This is the network Traffic monitoring

if [ -n "$1" ]; then
eth_name=$1
else
eth_name="eth0"
fi
send_first=`cat /tmp/send_first`
recv_first=`cat /tmp/recv_first`
send_o=`/sbin/ifconfig $eth_name | grep bytes | awk '{print $6}' | awk -F : '{print $2}'`
recv_o=`/sbin/ifconfig $eth_name | grep bytes | awk '{print $2}' | awk -F : '{print $2}'`
send_r=`expr $send_o - $send_first`
recv_r=`expr $recv_o - $recv_first`
total_sr=`expr \( $send_r + $recv_r \) / 1024`
/sbin/ifconfig $eth_name | grep bytes | awk '{print $6}' | awk -F : '{print $2}' > /tmp/send_first
/sbin/ifconfig $eth_name | grep bytes | awk '{print $2}' | awk -F : '{print $2}' > /tmp/recv_first

#system_monitor
day=$(date +%m%d%Y)
file="/var/log/system/sysinfo$day"
memtotal=`awk '$1 ~ /MemTotal/{print $2}' /proc/meminfo`
if [ -f $file ]; then
      echo "ok">/dev/null
else
echo "date               cpu/avg  mem/avg    load average inode  http java oracle   app_procnumber         Packet_flow">>$file
echo "">>$file
fi
time=$(date '+%Y%m%d_%H:%M:%S')
load=$(uptime | sed 's/\,//g' | awk -F"average:" '{print $2}')
inode=$(df -i | awk 'NR==3{print $4}')
cpu=$(vmstat 1 2| awk '{NR==$NR}END{printf "%.1f%\n", 100-$15}')
mem=$(vmstat | awk 'BEGIN{i=0}{NR==$NR}{i='$memtotal'-$4}END{printf "%.2f%\n", i/'$memtotal'*100}')
httpd_number=$(ps -ef | grep "httpd"| grep -v grep|wc -l)
app_number=$(ps -ef |grep "java"|grep -v grep | wc -l)
oracle_number=$(ps -ef|grep "LOCAL=NO"|grep -v grep|wc -l)
java_pid=$(ps -ef | grep java|grep -v grep |grep -v jdk|awk '{print $2}' |   awk 'NR==1{print $1}')
java_pid2=$(ps -ef | grep java|grep -v grep |grep -v jdk|awk '{print $2}' |   awk 'NR==2{print $1}')
#if [[ $java_pid"zzk" != "zzk" ]]
#then
#        app_number=$(lsof -p $java_pid)
#        app_number2=$(lsof -p $java_pid2)
#       app_procnumber=echo ${app_number}+${app_number2} | bc
#else
#        app_procnumber=none
#fi
echo "${time}  ${cpu}     ${mem}    ${load}  ${inode}  ${httpd_number}   ${app_number}   ${oracle_number}     ${app_procnumber}    ${total_sr}KB"  >>$file