Linux

This article from http://blog.csdn.net/ouyang_linux007/article/details/7422346One of the biggest benefits of Linux is its open source. At the same time, the open core source code also attracts countless computer enthusiasts and programmers, they

An analysis of the Linux process IPC [interprocess communication SYSTEMV Shared Memory] Shared Memory Concepts, overview Related functions for shared memory Shared memory Concepts, overview：A shared memory area is a portion of

DNS (domain Name System), the Internet as the domain name andIP Addressone of the mutual mappingsDistributed databaseTo make it easier for users to accessInternet, instead of remembering the number of IP strings that can be read directly by the

Bash knowledge points for file testing:Knowledge Review:Character test:Format: Test expression: [Expression]: [[Expression]]Integer test:Format: Test expression: [Expression]: [[Expression]]File test:Monocular test:-e/path/to/file: Test file

Transferred from: http://www.cnblogs.com/lcword/p/5914089.htmlNetwork card bond is to realize the redundancy, bandwidth expansion and load balance of the local NIC by binding the multi-net cards into a logical network card. In the application

Tomcat home access is normal, Tomcat comes with the examples project can also access, can own the project on the 404, what is the problem that?Carefully looked under the server WebApp the following file, Access timeI was visiting the server

My development leader once said such a paragraph "a good programmer is not how fast he writes the code, nor is he able to implement the function of the module, to realize the function of the business who will not ah, the important thing is his

Configure the Java runtime Environment, without the server, and Tomcat occupies a large portion of the server, here is a simple record of the Tomcat installation steps.DownloadFirst, you need to download TOMCAT7 installation files, the address is as

The purpose of the cat command is to connect files or standard input and print. This command is commonly used to display the contents of a file, or to connect several files to display, or to read from a standard input and display it, often in

Tag: Data does not display option specifies the TTL process ID int byte fileThe tail command writes the file to standard output starting at the specified point. Using the-f option of the tail command makes it easy to see the log files that are being

Reference:Http://www.360doc.com/content/12/0723/00/9298584_225900606.shtmlHttp://www.cnblogs.com/biyeymyhjob/archive/2012/07/21/2602015.htmlHttp://blog.chinaunix.net/uid-25100840-id-3147086.htmlhttp://blog.csdn.net/u012719256/article/details/52670098

First, the firewallThe firewall controls the "Out and in" network access behavior according to the configuration file/etc/sysconfig/iptables. There are four policy tables for behavior configuration policies1. Basic Essential SkillsView firewall

The role of the Touch command is to create a new blank file and access (access) and modify (modify) timestamp for the file that is updatedView Help for TouchNote: Modify changes to the contents of the file, regardless of whether access or modify

for Linux, but also love and hate, there are some of their own views, after all, has been in contact for almost two years. But, what does it mean to say that it hurts? If you want to know please let me give you a slow way.the first contact with

Before you introduce the command to select information, say the pipe symbol "|" With the TR command, because it is often used when multiple commands are used together.One, using the pipe symbol provided by Linux "|" Separates the two commands, and

Keywords: Linux check process, kill process, START process1. Check processThe PS command finds the PID number associated with the process:PS A shows all programs under the current terminal, including other users ' programs.Ps-a Show All Programs.PS

(Online connection tutorial is not complete, small white may be difficult to understand, the original tutorial, reproduced need to note the source and author)The first step:This assumes that we already have the environment in which the WINSCP

Http https and some common service request default ports(1) common port number of the HTTP Proxy Server: 80/8080/3128/8081/9080(2) SOCKS proxy protocol server port: 1080(3). FTP (file transfer) protocol common port number of proxy server: 21(4)

Keepalived high-availability cluster practices and keepalived cluster practices (1) Prepare the hardware environment in practice Prepare four physical servers or four vmvms, two of which are used for Keepalived servers and two for web testing

[Shell script] searches for function difference sets implemented by shell scripts and shell scripts Text address Click follow public account wenyuqinghuai   Sharing outline: 1. Background 2. Code Implementation    1. Background During the automated