Linux

A socket is a way of communicating with the process by invoking some APIs to enable interprocess communication, establishing a connection, and sending and receiving information as shown in the following procedure:The use of these functions is as

Sometimes when we do maintenance, there will always be similar to the IO is particularly high, but can not be determined to be an IO bottleneck or improper setting of software parameters caused hot disk problems. This is usually the time to know the

System: CentOS 5.8 64bitSoftware version: busybox-1.21.1.tar.bz2dropbear-2016.73.tar.bz2Reference: http://os.51cto.com/art/201403/431943.htm1. Compiling busybox-1.21.1.tar.bz2Make Menuconfig(Busybox settings-->build options-->build Busybox as a

Objective:Recently installed the Linux system, so learn some of the most basic operations, here to write their own summary notes here.1,v8:192.168.40.10v1:192.168.40.11Linux ip:192.168.40.1282,linux is the difference between an operating system and

Operating system: Ubuntu12.04Hardware environment: HP CQ45After the user installs Apache and MySQL using the sudo apt-get install, these services are started by default, but sometimes need to turn off the boot of these services.First, popularize a

Linux Terminal CommandsFirst, the file directory class1.Build directory: mkdirDirectory Name2.Delete Empty directory: RmDirDirectory Name3.Delete subdirectories unconditionally: RM-RFDirectory Name4.Change current directory: CDDirectory Name (Go to

Set,env and export three commands can be used to display shell variablesset displays variables for the current shell, including variables for the current user env Displays the current user's variables Export Displays the shell variables currently

The/* linux of the lower end of the port is maintained by the IANA (internet assigned numbers authority, an internet-assigned numerical authority), and the port number is divided into 3 segments. 1, 0~1023, (10) These ports have IANA allocations and

Permissions on the Linux file systemFirst, let's look at how to modify a file's owner and owner groupModify the owner of the file: Chownchown [OPTION] ... [OWNER] [: [GROUP]] FILE ...UsageOwner modifies the ownerOwner:group Modify owner: Genus Group:

Today to talk about Linux inside the permissions of the problem, in the Linux system, there are so several kinds of permissions, r,w,x,s,t so several kinds of permissions, the system why should have permissions this thing, Linux all files, some

1,windows graphical interface is only popular on personal computers (Dos interface), LUnix is in the server domain, there is absolutely no graphical interface (command line) on the server.2,2.6.18 motherboard, minor version, last versionIf the last

Start by talking about which command in Linux you use to create a linked file, and then we'll talk about the difference between soft links and hard links.Use LN command to create a linked file for a fileUsage: LN [-s-v] src destCreate a hard

Crontab is related to the user, each user has their own corresponding crontab.Cron is a timed execution tool under Linux, and the following are commands for restarting/shutting down and so on#/sbin/service crond start / start service

Ubuntu on win VS ubuntu (virtual box) VS Cygwin, ubuntucygwinThe execution time of the command is roughly estimated:Date -- rfc-3339 = 'ns'; seq 100000000 | grep 8 | wc-w; date -- rfc-3339 = 'ns' Ubuntu 14.04 on win10  Virtual box {ubuntu 14.04

Centos7 installation configuration 1, Centos7 installation Configuration Microsoft's Azure HDInsight has been used in the big data field. Currently, clusters can only be deployed on Windows systems in China. Although the creation process is simple,

Use Sublime Text 2 to run Matlab This article describes how to build a MATLAB development environment in the Sublime Text 2 Text editor. Of course, Notepad ++ and other editors should be able to be implemented in a similar way.1. Remove the bulky

Manually install. NET Core SDK in Ubuntu 14.04 We have installed Ubuntu 14.04 on a Linux server. We need to reinstall. NET Core 1.0. Install the SDK by using the apt-get command according to the documents on the Official Website: sudo sh -c 'echo

DotNet Run Command IntroductionPreface This article mainly introduces the system execution process after running dotnet run using dotnet tools in asp.net core.Directory Dotnet run Use dotnet run Dotnet run Execution Process Dotnet run Dotnet

Detailed installation tutorials and solutions for Apache in Windows Apache is the world's No. 1 Web server software. It can run on almost all widely used computer platforms. It is one of the most popular Web server software because of its wide use

Corosync + Pacemaker build highly available Clusters I. Overview:1.1 Introduction to AIS and OpenAISAIS application interface specification is a set of open specifications used to define application interface (API). These applications provide an