linux traffic generator

Linux network traffic control tool-Netem Article 1: ConceptsNetem is a network simulation function module provided by Linux 2.6 and later kernel versions. This function module can be used to simulate complex Internet transmission performance in a LAN with good performance, such as low bandwidth, transmission latency, and packet loss. Many released

Article Title: Use TC in linux to control server traffic. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. The network environment of a server in the company is too high. When the se

Because many VPS or server are limited traffic, but many service providers do not provide a detailed flow chart, such as daily traffic table, so it is certain that some people would like to know how much traffic on their servers.Vnstat is a very useful server traffic statistics command. I'll get a few pictures to show

Article title: TC + HTB traffic control in linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. The C rule involves the QUEUE classifier (CLASS) FILTER. the flags of the filter ca

How to obtain the current traffic of a process in GNU Linux /*************************************** ******************************* Author: Samson* Date: 11/19/2014* Test platform:* 3.small-24-generic* GNU bash, 4.3.11 (1)-release**************************************** ****************************/ The procedure is as follows: (1) Use the packet capture Libpcap library technology to obtain the network

: 1 $ sudo httpry -i eth0 -b output. Dump Replay: 1 $ httpry -R output. Dump Save to text file: 1 $ sudo httpry -i eth0 -o output. TXT Httpry Advanced UsageIf you want to capture specific HTTP methods, such as GET, POST, PUT, HEAD, connect, and so on, you can use the '-m ' option: 1 $ sudo httpry -i eth0 -m get,head If you do

Brief introductionAt present, the OPENWRT system in the flow of statistics to do the best should be "stone ghost" firmware, used to do the flow of statistics tools are also many such as: Tomato,luci-app-statistics.This article wants to introduce a traffic statistic method based on Iptables rule. The basic principle of this method is to use Iptables's own traffic statistic function to rule chain, and realize

Linux View network card Traffic tool has Iptraf, iftop and Nethogs, etc., iftop can be used to monitor the network card real-time traffic (can specify network segment), reverse resolution IP, display port information.The command to install Iftop is as follows:The CentOS system is "Yum install Iftop-y"Debian/ubuntu system for "Apt-get install Iftop"Common paramete

Using Iptraf in Linux for network traffic analysis Iptraf is an excellent free software that monitors network traffic in linux, especially installed on the firewall, and works with Iptables, the network that monitors the flow through the firewall is abnormal, and the effect is very good. My installation and configurati

each connection is displayed;Press L to turn on the screen filtering function, enter the characters to filter, such as IP, press ENTER, the screen will only show this IP-related traffic information;Press L to toggle the scale on the top of the display screen, and the flow graph bar will change depending on the scale;Press J or press K to scroll up or down the screen to display the connection record;Press 1 or 2 or 3 to sort by the three-column

I. Installation IPTRAF: (Traf is a shorthand for traffic, meaning traffic, transportation)Run command: sudo apt-get install Iptraf Two. Iptraf use:Run command: IptrafThen press any key to continue650) this.width=650; "src=" http://img1.51cto.com/attachment/201203/134124722.jpg "border=" 0 "/>First item: IP traffic MonitoringSecond item: General view

dependency packages on CentOS:Yum Install Flex BYACC libpcap ncurses ncurses-devel libpcap-develInstall the required dependency packages on Debian:Apt-get Install Flex BYACC libpcap0.8 libncurses5Download Iftopwget http://www.ex-parrot.com/pdw/iftop/download/iftop-0.17.tar.gztar zxvf iftop- 0.17. TAR.GZCD iftop-0.17. / make instalInstallation Method 2: (Lazy way, the simplest)Omit the above steps directlyPress https://www.vpser.net/manage/centos-rhel-linux