Linux

Introduction: Pipelines are the oldest IPC method on Unix systems, and pipelines provide an elegant solution: given the two processes that run different programs, how can the output of one process in the shell be used as input to another process?

http://blog.csdn.net/guowake/article/details/3279796 Linux proc File system, through the proc file system to adjust to achieve the purpose of performance optimization.

First, what is a Dos attackDOS is the abbreviation of Denial of service, that is, denial of services, the DOS attack is called Dos attack, the purpose is to make the computer or network can not provide normal service. The most common Dos attacks are

(virtualbox/vmware) linux start hint Memoryforcrashkernel (0*0 to 0*0) notwithinpermissible http://www.myexception.cn/ Linux-unix/477672.htmlOne. Virtual machines are created on VMware and the operating system is red Hat Enterprise Linux Server

Familiar with the Linux partners know that in the open-source Linux environment, the main idea is that everything is a file, anything in Linux can be seen as files, then we use these files when we face a problem how to find a file, Here I take

According to foreign media reports, a master named Osirisx in the online release of video, and said he gave PS4 installed Linux system, successfully ran the Steam OS platform game "fortress."Hackers successfully loaded Linux on PS4Sony and Microsoft

To log in to a computer, we need a username. A user name is an identity that can be recognized by a computer. Based on this, the computer applies a series of rules to people who log on with this user name. Under the Linux system, we can use the ID

There are two types of links in Linux: Hard links and soft links (soft link), and soft links called Symbolic links (symbolic link)To create a command:Ln-s destfile/directory Softlink #建立软连接ln destfile hardlink #建立硬连接InodeIn a Linux system, the

I believe you vpser in the use of VPS will often in different VPS between the backup data or transfer data, most of the time the VPS has installed Nginx or similar Web server, the files will be transferred directly to the Web server folder. Then run

each block device or partition of a block device has its own request queue (request_queue), and each request queue can select an I/O Scheduler to coordinate the request submitted . The basic purpose of the I/O Scheduler is to arrange requests

"Content of this section"Basic operation of *rhel* Create a Snapshot* Assembly Server* Learn about common servers"Create an experiment available snapshot prerequisites"1. Fixed IP2. Turn off the firewall3. Turn off SELinux4. Configure the Yum source5

Chapter III, Process Management3.1 Process1. The process is a procedure that is in the implementation phase, but the process is not confined to a single executable code2. Execution Thread:A thread, which is an object that is active in a process.

CHAPTER 18 Commissioning 18.1 ready to startWhat needs to be prepared is:-a bug-a kernel version that hides bugs-knowledge and luck about kernel codeThe point: if you want to successfully debug, it depends on whether you can make these errors

Use Python, RabbitMQ, and Nameko to implement microservicesGuide"Microservices are a new wave"-nowadays, splitting projects into multiple independent and scalable services is the best choice to ensure code evolution. In the world of Python, there is

X. Org may lose its domain name x.org The X. Org Foundation faces the loss of an important asset: A single-letter domain name x.org. In the past six months, the board of directors of the X. Org Foundation tried to solve the issue of x.org domain

Basic Linux knowledge-file management commands (cp, mv, rm) In our daily work, we use the five most file operations: Copy, cut, move, rename, and delete. Therefore, we will introduce the three commands involved in the above five operations in Linux:

FreeBSD user manual study notes, freebsd User ManualFreeBSD user manual Study Notes freeBSD installation: http://my.oschina.net/lsgx/blog/540980chapter I Introduction 1.1 FreeBSD history and introduction FreeBSD's source code is completely open,

[Original] Vim's usage skills: only when used can we understand "the best IDE is Vim" and vim's usage skills. Half a year ago, I was still wandering in IDE such as Eclipse and ZendStudio. However, for the use of Vim over the past six months, I have

Basic ACL settings for Red Hat Linux 7 1. ACL introduction: The Access Control List (ACL) is the command List of the vro and vswitch interfaces. It is used to Control incoming and outgoing packets on the port. ACL applies to all routing protocols,

Httpd-2.2 and httpd-2.4 Build Secure http service based on VirtualHost Directory:I. CentOS6 use httpd-2.2 to build httpd service based on Domain NameIi. centos7 use httpd2.4 to build httpd services based on domain names3. centos6 compile and install