Linux

1. Development background: When programming with VC in Windows, we usually need to run the program in debug mode, and the debugger will print out memory information that is allocated on the heap while the program is running, including the code

First we use the virtual machine to simulate the Linux system, and then the next step, and then finish, edit some settings, put the mirror on the top of the Select the first item, install the system, see whether the mirror can be run, skip directly,

In this section we read the creation process of the array. According to common sense card, we go to IOCTL to find array create command, MD corresponding IOCTL function is md_ioctl, when looking for the corresponding cmd command word, but there is

I found a file on the Web server has been growing and fast, a log file, has reached a G. But also want to leave some of the latest log, do not want to delete, but the log file is too large, simply can not open. In fact, it is best to use log polling,

SYSTEMD is an init software under Linux, led by Lennart Poettering, and open source under LGPL 2.1 and its subsequent version license. Lennart is a Redhat employee, but SYSTEMD is not a Redhat project. Its development goal is to provide a better

  (a): first the development environment required for the production of the Linux root file system. 1: Porting Linux kernel version: linux-3.0.1 (as long as it is available) 2: Cross-compilation tool: ARM-LINUX-GCC 4.3.2 (optional) 3: File system

Linux under the ISO file system to do and pressure 1. Make ISO image file Switch to root account, execute command The code is as follows: Cp/dev/cdrom Xxxxx.iso Xxxxx.iso is the ISO filename that needs to be named. After execution, all files on

Analysis on the advantages and disadvantages of Microsoft System and Linux system, many people can not say why, because the market is still the use of the Microsoft System is a little higher, especially private computers and home notebooks, most of

In centos6.2, it is divided into two files, one in/usr/include/asm-generic/errno-base.h, the other in/usr/include/asm-generic/errno.h The contents of the/usr/include/asm-generic/errno-base.h file are as follows: #define EPERM 1/* Operation not

web| server 2. Path setting: The following parameters are set for each page or service path! (old version in access.conf) Basically all use the default value is also OK!3. Open PHP and other modules: because we need to be able to support the PHP

Apache is the number one Web server running on a Linux operating system. Many small places can be used to adjust the performance of Apache and reduce its impact on system resources. One is to adjust the memory usage, of course, it may take some

The wide application and rapid development of Linux benefit from the rapid development of the Internet. Linux does well for Web services that are widely used on the Internet. It's hard to say how many Web sites on the Internet are using Linux, but

"Guide" to install a virtual root on Linux on the environment of the Apache directory tree is quite simple. This example uses the red Hat 6.* and the Apache 1.3.12. It also contains the PHP4 (as an Apache module) and the installation of PERL5 on the

Linux under the development of Web programs, now very popular development methods: using PHP to develop Web programs, using Apache Web Server,mysql as a background management database. This combination makes the development of Web programs simple,

Shell (shell) is the user and the bottom of the operating system (usually the kernel) interaction between the intermediary program, responsible for the user instructions, operations to the operating system at the bottom Shell is generally divided

In a traditional UNIX model, when a process needs to be executed by another entity, the process derives (fork) a subprocess, allowing the child processes to process. Most Web server programs under UNIX are written in such a way that the parent

Unix/linux anti-virus software is a lot of commercial version. However, as with Windows, the quality of antivirus software depends on the amount of virus library and the speed of the update. Here, we use free software Clam AntiVirus to build a

Most Linux computers use Grand Unified Bootloader (GRUB)-More specifically GRUB 2-to control transfers from the computer's firmware to the kernel. GRUB 2 provides complex boot-time user interaction capabilities that provide you with the ability to

It's not something new, and the wireless router has been using it a long time ago, but it has only recently begun to understand its rationale. Now the network embedded device's function is more and more powerful, each chip manufacturer's solution

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