Linux

Zend optimizer Optimization CodeTo improve the PHP 4.0 Application Program. The principle of implementation is to optimize the code generated by the run-time compiler before it is finally executed. Generally, the execution of a PHP program using

This chapter describes the important part of the standard Linux directory tree, which is based on the FSSTND File System Standard. This section describes how to divide a directory tree into several separated file systems based on different purposes

One linux Command every day (5): rm command link: One linux Command every day (1): ls command http://www.bkjia.com/ OS /201210/163049.html#linuxlinuxcommand every day (2): cd command serial (3 ): pwd command http://www.bkjia.com/ OS

How to Use Lsof to restore accidentally deleted files in Linux: stores the Directory and name of the process in the/proc partition of Linux, including fd (file descriptor) and its sub-directories (links to process open files), if a file is deleted,

Introduction to several tools for stress testing on Linux disks or other types of servers (I) dd: reads data from one source and writes it to another destination address in BITs [SQL] [root @ linwaterbin ~] # Dd if =/dev/zero of

The size of the file hard disk deleted in linux remains unchanged. Recently, the game server's hard disk is full. The strange thing is that du/opt/is only 25 GB, but df is always case. The system capacity has been used. % available nodes/dev/sda5 195

Linux/Unix shell scripts clear archive log files for DEV and UAT environments, sometimes the database needs to be in archive mode, but it does not need to be backed up. Therefore, the constant increase in archive archiving logs results in a large

Installing and using CVS in Linux is the abbreviation of Concurrent Version System (parallel Version System) for Version management. if everyone has participated in many collaborative development projects, everyone is sure to have such sad

Linux ubuntu12.04 decompress the Chinese zip file, decompress it, and garbled code to solve my computer environment: linux ubuntu12.04 has tried many methods, but the following one is OK on my computer. 1.zip file unzipping file name garbled: first

Basic file permissions in Linux every file in Linux is associated with multiple permission types. Among these permissions, we mainly deal with three types of permissions: user, user group, and other users (others ). A user is the owner of a file. A

Go to the Ubuntu official website to see several versions that can be downloaded: alternate (Text installation), desktop9 (desktop), netbook (netbook), and server (server ). Reasons for using server: 32-bit systems can use 4 GB memory or above, up

Install and configure the Linux ftp service and use IE to access Linux ftpI. installation and configuration of Linux FTP(1) install FTP: directly use the yum command to install FTP in CentosSu rootYum install ftpYum install vsftpd(2) configure the

Sysbench-benchmark SysBench is an open-source, cross-platform, modular, and multi-threaded performance testing tool that runs on databases with high load, you can perform performance tests on CPU/memory/thread/IO/database. Used to evaluate the

Ssh is not installed in the newly installed Ubuntu system by default. If you have not installed the ssh service, but you cannot connect to ubuntu through ssh directly on the client, run the following command: The Code is as follows:

1. Daemon Overview Linux Daemon is a special process running in the background. It is independent of the control terminal and periodically executes a task or waits to process some events. It can run without user input and provide certain services,

Many Commands, such as cd, mkdir, rmdir, and rm, are often seen during Linux learning. If you want to view the processes in the system, what commands should you use? In Linux, you can use ps-aux to view all processes. I hope you can learn the usage

This document describes Command Control for four Linux/BSD package management systems, including Yum, Apt, Emerge, and Ports.Yum is used for various RPM-based releases, such as RHEL, Fedora, and Hongqi.Apt is used for various DEB-based releases,

Bkjia.com Linux tutorialWhen we install svn in Linux, we will find such a problem. All the svn configuration processes are considered successful. Why is this prompt displayed when we access the client? Authorization failed In fact, this is a problem

It seems that the channel list is offline, maybe because 1000 of the hackers are trying to get streaming media at the same time. I am trying to collect URLs of non-other sites of sopcast. It will be upgraded soon. If you know the URL of an available

Rm-rf mydir/* Delete the mydir directory */Cd mydir/* enter the mydir directory */Cd-/* Go back to the upper-level directory */Cd ~ /* Return to the root directory */Mv tools tool/* rename the tools directory to tool */Ln-s tool bac /* Create a