[Linux] C language Linux system programming-11 TCP communication statuses, linux-tcp
Three-way handshakeThe client initiates a SYN request, and the client is in the SYN_SENT State (the first handshake)After the server receives the message, it changes from LISTEN to SYN_REVD and replies to the client. After the client receives the response, it is in the state of
[Linux] Linux commands for counting folders and files, and linux statistics
# View the number of files in the current directory (excluding files in subdirectories)
Ls-l | grep "^-" | wc-l
# View the number of files in the current directory (including files in sub-Directories) Note: R, representing sub-Directories
Ls-lR | grep "^-" | wc-l
# View the number of
Article Title: Learn how to diagnose linux system faults to create a perfect linux system. 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.
For most users, the ease of use of the
This article introduces the 12 classic techniques of Linux operating system application, which can be used to better use Linux system.
1, processing the special file name
Assuming that the Linux system has a file named "-ee", if we want to operate it, for example, to delete it, in accordance with the general deletion method in the command line to enter the Rm-ee
As a desktop operating system, Linux Man-machine interface is really not flattering, but as a network operating system, its ease of use (for the NOS) and high performance I am afraid it is difficult to have the right. Of course, this is not to say that its operation is very simple, but that if you can master some skills, whether it is System settings or network management can become easy, arbitrary. Prohibit the display of automatic energy-saving in t
Start to learn linux common commands in detail and stick to one command every day, so this series is a linux command every day. The main reference materials for learning are: 1 "laruence's linux private House dish" 2 http: codingstandardsiteyecomblog7866533linux command 5
Start to learn linux common commands in detail
Linux Xserver: The linux graphic interface principle MoblinCore is built on the GnomeMobile platform. I used to play Linux. the submitted content has nothing to do with images. I don't even need to start Xwindows. after I start the system, I directly enter the text command line. so I have little knowledge about this. I need to learn more... X server in
A linux command (25) every day: linux file attribute details link: A linux command (1) every day: ls command running (2): cd command http://www.2cto.com/ OS /201210/163050.html#every day...
One linux command every day (25): linux file attribute details link: One
Linux (Windows Linux subsystem)If you want to experience developing and running. NET core applications in a Linux environment, we have a variety of options. One is to install native Linux on a physical machine, and we can choose some kind of Linux distribution according to o
Linux summary and linux learning Summary
I. file commands:
Go to the home/liuyazhuang directory
Cd/home/liuyazhuang
Ls:
Ls
Mkdir:
MkdirfamilyA
Switch the cd directory to the familyA directory:
CdfamilyA
Ls displays the content of the current directory:
Ls
Touch creates an empty file
Touchfather.txt has A father in family.
Touchmother.txt has a mother.
Touchson.txt son
Touchdaughter.txt daughter
Create
Learning Guide Articles
The method is to do more hands, brain, learn to often compare with Windows. It is recommended that you install Redhat Linux First, and then practice how to configure it, how to use Linux commands, how to operate under the X-windows, how to install the application software under Linux, how to access the Internet under
Openness
Our goal is to determine whether open source projects are "open" or "closed ". This is rarely publicly discussed or covered with a license. We define and control open-source projects in a transparent and comprehensive way, such as defining Open-Source Licenses, classifying them as "copyleft", and "Tolerance.
Unlike open-source licenses, the control mode consists of obscure terms, conditions, and project access, impact, decision-making, and derivative control points. We have studied eig
Article title: Linux core-15. Linux kernel resources. 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.
Original: David A Rusling
Translation: Banyan fifa
Chapter 2
This document is a translation of section 1.2 of the IBM Redbook Linux Performanceand Tuning guidelines.Original address: Http://www.redbooks.ibm.com/redpapers/pdfs/redp4285.pdfOriginal Eduardo Ciliendo, Takechika Kunimasa, Byron BraswellThe translation is as follows:1.2 Linux Memory ArchitectureIn order to execute a process, the Linux kernel allocates a portion
For every Linux learner, learn about the directory structure of a Linux file system, is a very important step to learn Linux., in-depth understanding of the Linux file directory structure of the standard and detailed features of each directory, for us to use a good Linux sys
After installing Linux, have you ever paid attention to the Linux boot process? This article tries to describe this process and the related situation in the popular language, understand the Linux boot process, you in the face of the problems of the Linux boot process will be able to do well.
One of the compelling featu
Introduction of Nagios
Nagios is an open source computer system and network monitoring tool, can effectively monitor Windows, Linux and UNIX host State, switch routers and other network settings, printers and so on. When the system or service status is abnormal, send an email or SMS alert the first time to notify the site operators, in the state of recovery after the normal mail or SMS notification.
Nagios formerly known as Netsaint, by Ethan Galsta
View the Linux version and linux version
How can I view the version information used in Linux? The following articles collect and organize some common methods for viewing the Linux system version. Since only Oracle Linux, Centos Linux
This article is for example the following articles
Deep understanding of the Linux boot processMBR (Master boot Record)The process that the computer executes before powering it on to the operating system main functionExplain the startup process and system initialization of Linux system in detailLinux system start-up processAbout the start-up process for Linux
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