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CentOS下nethogs命令详解

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Nethogs 是一个终端下的网络流量监控工具,它的特别之处在于可以显示每个进程的带宽占用情况,这样可以更直观获取网络使用情况。它支持 IPv4 和 IPv6 协议、支持本地网卡及 PPP 链接。

安装过程

##下载##

[root@ipython ~]# wget http://softlayer-dal.dl.sourceforge.net/project/nethogs/nethogs/0.8/nethogs-0.8.0.tar.gz

##依赖安装##

[root@ipython ~]# yum install libpcap-devel ncurses-devel

##build iftop##

[root@ipython ~]# tar zxf nethogs-0.8.0.tar.gz

[root@ipython ~]# cd nethogs

[root@ipython nethogs]# make && make install

直接运行

[root@ipython ~]# nethogs --help

nethogs: invalid option -- '-'

usage: nethogs [-V] [-b] [-d seconds] [-t] [-p] [device [device [device ...]]]

-V : 版本输出

-d : 延迟刷新,默认1秒

-t : 跟踪模式

-b : bughunt mode - implies tracemode.

-p : 指定接口

When nethogs is running, press:

q: quit

m: switch between total and kb/s mode

awk 处理nethogs日志一例:

[root@ipython ~]# nethogs > awk_nethogs.txt

Waiting for first packet to arrive (see sourceforge.net bug 1019381)

[root@ipython ~]# cat -A awk_nethogs.txt |awk -F '[ ^]+' '/\?/&&!/unknown/{sub(/^.*H/,"",$4);sub(/^.*G/,"",$5);print $3"\t"$4"\t"$5}'

[[1;23r [(B [[m

[[0;7m PID USER

[[0;7m PID USER

[[0;7m PID USER

107.170.243.66:80-27.115.124.32:38707 0.119 0.091

107.170.243.66:80-27.115.124.32:38707 0.119 0.091

107.170.243.66:80-27.115.124.32:38707 0.119 0.091

107.170.243.66:80-27.115.124.32:38707 0.119 0.091

107.170.243.66:80-27.115.124.32:38707 0.119 0.091

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