Cloud Applications

A simple example of phpsphinx This is a simple example of php sphinx. For more information, see.The Code is as follows: SetFilter ("cat_id", array (2); // search $ cl-> SetFilter ("forum_id ", array (123,124, 7); // range filtering //

Two sets of paging problems, think of it... & lt ;? Php $ offset & nbsp; isset ($ _ GET [pid])? Intval ($ _ GET [pid]): 1; if (! $ Offset) & nbsp; $ offset & nbsp; 1; $ perpage & nbsp; 50; $ db & nbsp; NEW & nbsp; two sets of paging problems, think

I often encounter some new users who are new to Linux who will ask how much memory is occupied? In Linux, we often find that the idle memory is very small. it seems that all the memory is occupied by the system. on the surface, it seems that the

CentOS download, LiveCD, netinstall, bin, minimal the four differences: Download centos system inside the CentOS-6.3-x86_64-LiveCD.iso; CentOS-6.3-x86-netinstall.iso; CentOS-6.3-x86_64-bin-DVD.iso; CentOS-6.3-x86_64-minimal.iso.Liv; CentOS download,

Shared memory allows multiple processes to access the same memory space. it is the fastest available IPC format. It is designed to reduce the running efficiency of other communication mechanisms. It is often used in conjunction with other

Main content: (Note summary-it will be supplemented and modified from time to time. if any error occurs, please refer to the discussion) i. RAID description II. mdadm tool introduction III. basic process for creating a RAID IV. disk array management

Introduction: centos generally has an iptables firewall. because the VPS of the centos system in hyper-v architecture adopts the IPTABLES setting method widely circulated on the Internet, port 22 of ssh cannot be modified, if you modify the ssh port,

The wc (WordCount) command is used to count the file content information, including the number of lines and characters. [python] viewplaincopy # displays the file content information. the output information is the number of lines, number of words,

For Linux user operation records, the command history is generally used to view historical records. However, if important data is deleted due to misoperations, The history Command will not be useful. So how should we implement the historical

1. the concept of average load in Linux sometimes finds that the system response is slow, but we cannot find the cause. in this case, we need to check the average load, check whether a large number of processes are waiting in the queue. The average

Check the file content cat: displays the file content starting from the first line tac: displays the file content starting from the last line nl: displays the file content, by the way, output the row number more: the content of the file displayed on

Shc is a tool for encrypting shell scripts. it converts shell scripts into executable binary files and performs automatic maintenance on the system using shell scripts, which is simple, convenient, and portable. however, shell scripts can be read

During product development, you can accurately evaluate the total memory size required by the product by counting the total memory consumption of the current system, so as to select an appropriate memory chip and size, reduce product costs. In case

The server running environment is Tomcat. The purpose is to allow only specific IP addresses to access a directory. One way is to configure the file server in tomcat. in conf, use RemoteAddrValve to control access to the virtual host. The server

The project needs to use a tape library. first, install a virtual tape library mhvtl to simulate the installation. The following describes the installation steps. For more information, see Ubuntu. 1 download source code From website. 2. ensure

A classic example of implementing concurrent access to the server using a multi-process method. A classic example of implementing concurrent access to the server using a multi-process method. Program implementation functions: 1. the client reads a

The date command can get the current time. man shows that many parameters of date can be used, which is easy to format. For example: Copy codeThe code is as follows:Date + "% F"Output Format: 2011-12-31 Date + "% F % H: % M: % S"Output Format: 201

When installing some programs in Ubuntu, icons may not be placed in the starter, which is inconvenient to use. The following provides a solution. for details, refer to Ubuntu. Solution: Because the FileZilla program can be used after being

In Linux, we usually use the following file compression commands: bunzip2, bzip2, cpio, gunzip, gzip, and split (cut files ), zgrep (find matching regular expressions in compressed files), zip, unzip, tar, rar In Linux, we usually use the following

This document describes how to install proftpdftp on a ubuntu server, including configuring, starting, stopping, and restarting the server. I. Installation Copy codeThe code is as follows:Sudo apt-get install proftpd During installation, Standalone