LINUX服务器流量监控脚本(网络流量)

     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

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