linux服务器流量监控软件|LINUX服务器流量监控脚本(网络流量)

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例子，在centos测试

先看测试后的效果

代码

# vi /etc/rc.d/traffic_monitor.sh

----------------------------------------------

#!/bin/bash

PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/local/sbin;

export PATH

function traffic_monitor {

   OS_NAME=$(sed -n "1p" /etc/issue)
   

   while [ "1" ]

   do

     # 网口名

     eth=$1

     # 状态

     STATUS="fine"

     # 获取当前时刻网口接收与发送的流量

     RXpre=$(cat /proc/net/dev | grep $eth | tr : " " | awk "{print $2}")

     # 判断获取值若为空,则网口不存在

     if [[ $RXpre == "" ]]; then

       echo "Error parameter,please input the right port after run the script!"

       exit 0

     fi

     TXpre=$(cat /proc/net/dev | grep $eth | tr : " " | awk "{print $10}")

     # 获取1秒后网口接收与发送的流量

     sleep 1

     RXnext=$(cat /proc/net/dev | grep $eth | tr : " " | awk "{print $2}")

     TXnext=$(cat /proc/net/dev | grep $eth | tr : " " | awk "{print $10}")

     clear

     # 获取这1秒钟实际的进出流量

     RX=$((${RXnext}-${RXpre}))

     TX=$((${TXnext}-${TXpre}))

     # 判断接收流量如果大于MB数量级则显示MB单位,否则显示KB数量级

     if [[ $RX -lt 1024 ]];then

       RX="${RX}B/s"

     elif [[ $RX -gt 1048576 ]];then

       RX=$(echo $RX | awk "{print $1/1048576 "MB/s"}")

       $STATUS="busy"

     else

       RX=$(echo $RX | awk "{print $1/1024 "KB/s"}")

     fi

     # 判断发送流量如果大于MB数量级则显示MB单位,否则显示KB数量级

     if [[ $TX -lt 1024 ]];then

       TX="${TX}B/s"

       elif [[ $TX -gt 1048576 ]];then

       TX=$(echo $TX | awk "{print $1/1048576 "MB/s"}")

     else

       TX=$(echo $TX | awk "{print $1/1024 "KB/s"}")

     fi

     # 打印信息

     echo -e "==================================="

     echo -e "Welcome to Traffic_Monitor stage"

     echo -e "version 1.0"

     echo -e "Since 2014.2.26"

     echo -e "Created by showerlee"

     echo -e "BLOG: http://www.111cn.net

"

     echo -e "==================================="

     echo -e "System: $OS_NAME"

     echo -e "Date:   `date +%F`"

     echo -e "Time:   `date +%k:%M:%S`"

     echo -e "Port:   $1"

     echo -e "Status: $STATUS"

     echo -e  " t     RX tTX"

     echo "------------------------------"

     # 打印实时流量

     echo -e "$eth t $RX   $TX "

     echo "------------------------------"

     # 退出信息

     echo -e "Press "Ctrl+C" to exit"

   done

}

# 判断执行参数

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

   # 执行函数

   traffic_monitor $1

else

   echo -e "None parameter,please add system netport after run the script! nExample: "sh traffic_monitor eth0""

fi

----------------------------------------------

# sh traffic_monitor.sh eth0

看一段只针对网络的

#!/bin/bash

if [ -n "$1" ]; then
eth_name=$1
else
eth_name="eth0"
fi

i=0

send_o=`ifconfig $eth_name | grep bytes | awk "{print $6}" | awk -F : "{print $2}"`
recv_o=`ifconfig $eth_name | grep bytes | awk "{print $2}" | awk -F : "{print $2}"`
send_n=$send_o
recv_n=$recv_o

while [ $i -le 100000 ]; do
send_l=$send_n
recv_l=$recv_n
sleep 1
send_n=`ifconfig $eth_name | grep bytes | awk "{print $6}" | awk -F : "{print $2}"`
recv_n=`ifconfig $eth_name | grep bytes | awk "{print $2}" | awk -F : "{print $2}"`
i=`expr $i + 1`
send_r=`expr $send_n - $send_l`
recv_r=`expr $recv_n - $recv_l`
total_r=`expr $send_r + $recv_r`
send_ra=`expr ( $send_n - $send_o ) / $i`
recv_ra=`expr ( $recv_n - $recv_o ) / $i`
total_ra=`expr $send_ra + $recv_ra`
sendn=`ifconfig $eth_name | grep bytes | awk -F ( "{print $3}" | awk -F ) "{print $1}"`
recvn=`ifconfig $eth_name | grep bytes | awk -F ( "{print $2}" | awk -F ) "{print $1}"`
clear
echo "Last second : Send rate: $send_r Bytes/sec Recv rate: $recv_r Bytes/sec Total rate: $total_r Bytes/sec"
echo "Average value: Send rate: $send_ra Bytes/sec Recv rate: $recv_ra Bytes/sec Total rate: $total_ra Bytes/sec"
echo "Total traffic after startup: Send traffic: $sendn Recv traffic: $recvn"
done

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