centos monitor network traffic

# Author li ning# Date 2015.11.30 00:41:35 Import sysimport Time "" "Principle: Linux system based on the principle of all documents, we can put any information as a string read into the analysis" "#若没有提供参数, here The default is the network card is eth0, according to their actual situation to connect parameters. Eg: (python get_net_infor.py eth1) If Len (sys.argv) > 1:interface = sys.argv[1]else:interface = "eth0" print "currently viewed NIC is:", Inte

0.24KB. The Check Interval is 30s |In=0.12kb;1200;1700;0;0Out=0.12kb;1500;1800;0;0Total=0.24kb;2700;3500;0;0 Interval=30s;1200;1800;0;0Explain:-V SNMP Protocol version-C Community NameThe-I parameter corresponds to the network card of the above-l output index value. Flag to monitor the appropriate network card.-W Warning value-C Alarm ValueConfiguration of the 4

Use Shell in Linux to monitor network traffic #input the network name if [ -n "$1" ]; then eth_name=$1else eth_name="eth0"fi 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_orecv_n=$

Use Shell in Linux to monitor network traffic, and use linuxshell #input the network name if [ -n "$1" ]; then eth_name=$1else eth_name="eth0"fi 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}'` se

Article Title: View your network using vnStat to monitor broadband traffic. Linux is a technology channel of the IT lab in China. Including desktop applications, Linux system management, kernel research, embedded systems, open source, and other basic categories. many articles have introduced how to monitor bandwidth in

#input the network name if [-N "]; Then Eth_name=$1else eth_name= "eth0" fi send_o= ' ifconfig $eth _name | grep bytes | awk ' {print $6} ' | Awk-f: ' {print $} ' recv_o= ' ifconfig $eth _name | grep bytes | awk ' {print $} ' | Awk-f: ' {print $} ' send_n= $send _orecv_n= $recv _o i=0while [$i-le 100000]; Do send_l= $send _n recv_l= $recv _n sleep 2 send_n= ' ifconfig $eth _name | grep bytes | awk ' {print $6} ' | Awk-f: ' {print $} ' recv_n= ' ifconf

I suddenly wanted to monitor the network card Traffic in Linux and didn't want to use cacti. I thought it was very troublesome to Configure SNMP. Ready-made tools seem to be useless. Decide to write a script by yourself. Click (Here) Fold or open #! /Bin/bash Rx1 = $ (ifconfig $1 | grep "RX bytes" | awk '{print $2}' | awk-F: '{print $2 }') Sleep 1 Rxa

Linux with tcpdump network traffic monitoring, export files get windows with wireshark analysis linux command line: tcpdump-ieth1-s0host10121293-woutputtxt-i specified on eth1 listen, this according to different machines, by default, tcpdump is used in eth0 linux to monitor network

Use iftop to monitor network traffic Iftop is a useful tool. The following command monitors the wireless network card of my notebook Iftop-I wlan0 Basic description: 1. the main part of the screen is the data transfer between two machines, with an arrow indicating the direction. The three values on the right are

The server environment is typically used under Centos7,centos iftop, or nethogs for network traffic monitoring.All 2 tools need to install Epel first, because this library usually does not own the operating System.Then install Epel first, using the following commands:RPM-UVH https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpmAfter the Epel inst

In linux, tcpdump is used to monitor network traffic, and exported files are obtained to wireshark in windows to analyze the command lines in linux: tcpdump-I eth1-s 0 host 10.12.129.3-w output.txt-I indicates listening on eth1. The default value is eth0,This is not specified at the beginning, and the traffic of a cert

Nethogs is a small, free open source command-line tool used to count network bandwidth usage in real time by process or program.For use similar to "repo tool", "Depot_tools" and other tools checkout source code is very useful, you can view the current download speed information, so you do not blindly wait.Installation under Ubuntu system sudo apt-get install Nethogs How to use Nethogs [-d] [-h] [-P] [-t] [-v] [device (s)]

Build Ntopng network traffic real-time monitoring system in CentOS Install the Ntopng rpm packageAbout the use of the source package is also very simple, mainly CentOS to configure the EPEL-RELEASE in advance to facilitate the installation of dependency packages,Compile the source code package. Ntopng introduction: N

View CPU, memory, network traffic, and disk I/O in CentOS Install yum install-y sysstat Sar-d 1 1 Rrqm/s: the number of merge read operations per second. That is, delta (rmerge)/sWrqm/s: Number of write operations performed on merge per second. That is, delta (wmerge)/sR/s: The number of read I/O devices per second. That is, delta (rio)/sW/s: the number of write

CentOS view CPU, memory, network traffic, and disk I/O installation yum install-y sysstat sar-d 1 1 rrqm/s: the number of merge read operations per second. That is, delta (rmerge)/swrqm/s: Number of merge write operations per second. Delta (wmerge)/sr/s: the number of read I/O devices per second. That is, delta (rio)/sw/s: the number of write I/O devices complete

There are previously written, but some do not have components can not install, here write down the installation components of the Install the required components Yum List | grep LIBP Yum Install libp* wget ftp://ftp.lmd.ens.fr/pub/devil/devel/sources/1.2/libpcap-0.9.8.tar.gz Install Iftop wget http://www.ex-parrot.com/~pdw/iftop/download/iftop-0.17.tar.gz Tar zxvf iftop-0.17.tar.gz CD iftop-0.17 ./configure Make Make install Use commands when you are finished installing Iftop-i eth0

Linux/centos operating system.You can use the Yum installation command as follows:Nethogs belongs to the Epel package, if the machine is not installed Epel need to install Epel first, the command is as follows#rpm-UVH http://mirrors.ustc.edu.cn/fedora/epel/6/x86_64/epel-release-6-8.noarch.rpm#yum-y Install libpcap nethogsThe installation is complete as shownCommand usage: Directly at the command line terminal input nethogs default listener eth0

Monitor linux traffic for shell and linux traffic for shell If you want to view linux traffic in real time and do not want to go to a third-party tool, you can directly write and run it! System: centos 6.5 Principle: Get the traffic