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linux网络流量实时监控工具

linux网络流量实时监控工具-「腾达签名」

Iftop 主要用来显示本机网络流量情况及各相互通信的流量集合,如单独同那台机器间的流量大小,非常适合于代理服务器和iptables服务器使用.
iftop安装

1、安装依赖

yum install libpcap-devel ncurses-devel

2、开始安装

wget http://www.ex-parrot.com/pdw/iftop/download/iftop-0.17.tar.gz
tar xzf iftop-0.17.tar.gz
cd iftop-0.17
./configure
make && make install

3、如何使用

直接执行iftop即可运行查看流量情况.
执行iftop -h得到帮助信息.

[root@www ~]$iftop -h
iftop: display bandwidth usage on an interface by host
 
Synopsis: iftop -h | [-npbBP] [-i interface] [-f filter coolcode] [-N net/mask]
 
   -h                  display this message
   -n                  don't do hostname lookups
   -N                  don't convert port numbers to services
   -p                  run in promiscuous mode (show traffic between other
                       hosts on the same network segment)
   -b                  don't display a bar graph of traffic
   -B                  Display bandwidth in bytes
   -i interface        listen on named interface
   -f filter coolcode      use filter coolcode to select packets to count
                       (default: none, but only IP packets are counted)
   -F net/mask         show traffic flows in/out of network
   -P                  show ports as well as hosts
   -m limit            sets the upper limit for the bandwidth scale
   -c config file      specifies an alternative configuration file

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