check network throughput linux

This book from the Unix/linux system of raw logs (raw log) collection and analysis, and gradually into the log audit and computer forensics link. The book provides a number of cases, each case with a vivid note of the network after the invasion, management personnel to carry out the process of system forensics and recovery, case analysis techniques with the storyline, so that the reader immersive to test th

, the data is saved to the Sk_buff buffer and read through the socket interface. The flowchart is shown below.Figure 6. Data reception flowchart After the network device receives the data, the DMA module searches for the BD table, takes out the idle BD, and automatically saves the data to the BD's cache, modifies the BD as the ready state, and simultaneously triggers the interrupt (this step is optional). The processor can

@223.5.5.5 www.oldboyedu.com +trace ==> Show the complete process of domain name resolution to IPDig +nocmd +nocomment +nostat ww.oldboyedu.com ==> streamlining some explanatory information Host Domain name query tool-A displays detailed DNS information-t specifies the type of domain name information for the query, or it can be "A", "All", "MX", "NS", etc.Nmap Network Detection Tool and security/port scanning-SS TCP Synchronous Scan *-st TCP connecti

Article title: classic linux-network. 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. 0001 Change apache's default character set to Chinese If it is 1. *, vi httpd. conf Find adddef

Common Linux network commands are commonly used in Linux to help us monitor network conditions. The 1Tcpdump command tcpdump can completely intercept the headers of packets transmitted in the network for analysis. It supports filtering of

; SSH connection before the general to download the public key from the remote server, consent to enter the password to connect, ssh password-free login also need to download the public key and password check the first timecommon public key location to connect other servers is placed in: ~/.ssh/known_hosts, the public key string according to IPIf you need to regenerate the public key, delete the known_hosts corresponding server to re-download the publ

Linux NIC configurationFirst, view network card information1, ifconfig: Check the IP information of the network card2, the network card configuration file:/etc/sysconfig/network-scripts/ifcfg-eth0Eth0: Represents the name of a

changed to ifconfig chen x. x. x. xONBOOT indicates whether to start the network. If yes, it indicates that when the server is started, several other parameters of the server are IP address, mask, and Gateway. (2) restart the network to make it take effect for www.2cto.com/etc/rc. d/init. d/network restart is the above three methods for setting the

Linux must learn 60 commands (5)-Network securitySubmitted by Zhanjun in Thursday, 2006-04-13 12:42 Linux must learn 60 commands: System security-related commandsLinux must learn system security commands (1)Author: Cao Yuan its dispatch time: 2004.12.03Although Linux is a multi-user system like the Windows nt/2000 syst

section:www.etiantian.org. In A 211.100.98.99;; Query time:90 msec;; server:202.106.0.20#53 (202.106.0.20);; When:mon Feb 20 11:50:57 2012;; MSG SIZE rcvd:51[email protected] ~]# nslookup> www.etiantian.orgserver:202.106.0.20address:202.106.0.20#53Non-authoritative Answer:Name:www.etiantian.orgaddress:211.100.98.997) If the Win32 and Linux servers are unable to connect to the network, describe the troubles

Guide The most important and basic Linux Network command collection that aspiring Linux system administrators and Linux enthusiasts must know. At It's FOSS we are not talking about the "command line aspect" of Linux every day. Basically, I'm more focused on the desktop

specified interface. In this mode, the interface sends all the information flows on the network to the core, not just the information of your machine to the core. Add a negative sign to disable this option. Hw sets the hardware address for the specified interface. ASCII characters that match the hardware type and sub-hardware address must be followed by this keyword. Ethernet (ether), AMPR, AX.25, and PPP traliers are currently supported to enable t

the statistics of the system in a similar dstat format; like Dstat, it collects statistical information about different resources of the system, such as processors, memory, and networks. A simple example given here shows how to use COLLECTL to report network usage/bandwidth. $ collectl-sn-ot-i0.5 Waiting for 0.5 second sample ... # ----------Network----------> #Time kbin pktin kbout pktout 10