what network function

Introduced:MongoDB is a database based on distributed file storage. High-performance, open-source, modeless, document-based databases that provide scalable, high-performance data storage for Web applications are among the hottest in the current

With the development of science and technology and the improvement of the degree of informatization of scientific research, high performance computer has become an important force for the development of science, especially the development of some

First, what is MongoDB?MongoDB is a high-performance, open-source, modeless document-based database that is a popular one in the current NoSQL database. It can be used in many scenarios to replace the traditional relational database or key/value

In front of you introduced the master-slave, the main master copy and their middleware mysql-proxy use, this one to introduce you are keepalived building and use!I. Keepalived INTRODUCTION 1.1, Keepalived IntroductionKeepalived was originally

One CPU performance monitoring Tool 1 Vmstat, System comes withProcs columns:R column: Indicates the number of processes running and waiting for the CPU time slice, if this value is longer than the number of system CPU cores, indicating that the CPU

Day1. What is the role of IP address? IP address classification?The role of an IP address: The network address used to identify a node.IP Address Classification: class A 1-127Class B 128-191Class C 192-2232. What is the subnet mask? Default A B

1.1 pwd CommandThe command is interpreted in English as print working directory (print working directory). Enter the PWD command, and Linux will output the current directory.1.2 CD commandThe CD command is used to change your directory.CD/go to the

CentOS 5 and 6 start-up processLinux:kernel+rootfsKernel: Process management, memory management, network management, drivers, file systems, security featuresRootfsglibcLibraries: function sets, functions, calling interfacesProcedure Call: Procedure (

CENTOS6 Start-up processAnalytical:CENTOS6 START Process:1, POST: power-on self-test, hardware environment (. Load BIOS hardware information to get the first boot device)2, Grub 1 First 446 bytes (read boot loader (GRUB) of the first boot device MBR)

PHP/* * * PHP options and information that affect PHP behavior * assert_options-set/Get various flags for assertions assert-Check if an assertion is Falsecli_get_process_title-returns t The He current process titlecli_set_process_title-sets the

Linux Kernel 2.6.27 officially arrived-general Linux technology-Linux programming and kernel information. The following is a detailed description. Author: Alright According to a letter from Linux founder Linus, the Linux kernel has been

  In the history of virus development, the emergence of viruses is regular. Generally, after the emergence of a new virus technology, the virus rapidly develops, followed by the anti-virus technology.Development will suppress its spread. When the

First, the contents of the experiment:Pair programming. Run TCP code, pair, one-person server, one-person client; Use encryption and decryption code package, compile and run code, one person encryption, one person decryption;Integrated code, sent

Selecting an enterprise-level Broadband Router as the core device of the enterprise network is no longer a new thing. Among the routers currently available for enterprises to choose, enterprise-level broadband routers have irreplaceable advantages:

WIFI settings play a role in D-Link Wireless route settings. Therefore, I am going to introduce D-Link Wireless route settings today. I hope this article will teach you more things, it brings convenience to everyone's life. It seems that the image

Why use a virtual machine? -- Linux general technology-Linux technology and application information. For details, refer to the following section. I. Students and beginners Since the computer development is so fast, many students are learning from

"I think we should burn this thing ." More than 3000 years ago, in the face of the huge Trojan horse suddenly left by the Greek on the ruins of the battlefield, the little prince of the kingdom of the Trojan said to his father. Because of his

Core switches are worth learning. Here we mainly introduce the NP + ASIC core switch design technology. Currently, several common feasible technologies that constitute the core switch design system are as follows: 1. General CPU The advantage of

At present, core switches have been widely used in various industries, and their performance and characteristics have also been recognized by many users. The Design System of A vswitch is the most basic and important for a vswitch. It greatly

The network is divided from bottom to top : corresponding Physical Layer-- Data Link layer-- Network Layer--IP protocol Transport Layer--TCP protocol Session Layer-- presentation layer and Application Layer-HTTP protocol 1. TCP/IP connection Mobile