Linux

#include #include #include #include #include #include #include #include #include #include #include #include #include # Define Buffer_size 1023int setnonblocking (int fd) {int old_option=fcntl (FD,F_GETFL); int New_option=old_option |

First, exception initializationInitialization of IDT for interrupt vector tablevoid __init trap_init (void) {#ifdef config_eisaif (Isa_readl (0x0fffd9) = = ' E ' + (' I ' For exceptions from 0 to 19, set the exception handler, set_trap_gate as

Linux is an open source software. The release versions are SlackWare, SuSE, Debian, Ubuntu, RedHat, CentOS, Fedora. One of the most used is radhat,centos. So this is an example of a centos6.6 version of the teaching. The original download 6.5

When you are used to handling transactions using the Linux environment, there is always a need. There are a variety of tools in the Windows environment that are easy for everyone to handle, so what are the ways or tools in the Linux environment?

1. Download Nginx from Nginx website. Currently the latest stable version is: 1.6.2.2. Upload the downloaded nginx to the/opt/nginx directory. Run "TAR-ZXVF nginx-1.6.2.tar.gz" to decompress.3. Switch to the/opt/nginx/nginx-1.6.2 directory and run

1. Install gitsudo apt-get install git2. Create a GitHub account3, Linux create SSH key:Ssh-keygen//always default4. Add the public key to the GitHub account information, SSH key Settings5. Test verification is successfulssh-t [email protected]6.

The beta version is: Centos6.6To edit the boot grub configuration file:# VI /boot/grub/grub.conf or /etc/grub.conf Soft Connection file, the contents of 2 files are the same. Delete the kernel line at the end of the "RHGB" save exit. Reboot does

today, using Gpio to wake up the system, Gpio_key also sent to the system, so with a feeling some bad, can be a period of time in the Gpio_key to filter out? The answer, of course, is yes, so how exactly is it achieved in Linus? The following

Today, when using QT link MySQL, I found the hint driver not loadThis error is generally not the cause of MySQL driver, but qt5.4 has provided MySQL-drivenSee plugins/sqldrivers below is already existing libqsqlmysql.so driver!So the LibraryPath

There is a site, I use AB to do the pressure test, the result ab always return error, I did some of the following tuning, and finally normal.Configuration of Nginx. conf:Worker_processes 32;Worker_connections 65536;Too much time_wait.In the stress,

There are two small men in my heart. One called guilt, to csdn so a knowledge-sharing platform of guilt, because I am doing a sorry csdn thing. One called vanity, the desire for csdn visits made me step out of this. This step, stepped into the abyss.

First stage: power-onThe moment the user presses the power switch, it is called the power on stage. At this stage, the BIOS checks the status of some hardware on the computer and the settings stored in the CMOS. CMOS is a special block inside the

This article is divided into four parts: Linux basic Principles, human-computer interface introduction, user name password introduction and command format introduction Linux Fundamentals:1, everything is a file2. Small,single--purpose Program3,

grep print lines matching a pattern printing line matching modegrep This command is used to query and match a string in a text fileExample grep ' root '/etc/passwd This command is used to match the line that contains the root string in the passwd

DNX is. NET execution Environment, formerly Xre,xre, formerly known as Kruntime, Project URL: Https://github.com/aspnet/DNX.Code to check out DNX:git clone https://github.com/aspnet/DNX.git--recursiveTo install Mono:Apt-get Install Mono-completeRun

This article is reproduced from http://blog.csdn.net/fengyily/article/details/35569433 (tested correctly)First, the installation of GCC# yum-y Install GCCSecond, installation libevent# wget http://www.monkey.org/~provos/libevent-2.0.12-stable.tar.gz#

 The export setting is valid only for the current bash login session. This is present in memory.You can write files in general file. After source it. Or put it in the/etc/profile and so on, different places have different effects.1. Permanent

Freebsdlinux is essentially different from Linux. Linux is a cute little penguin, while FreeBSD is a little devil with a fork. Do you often hear people confuse Linux and BSD systems? Yes, I often hear from new users and even the media. Of course,

Linuxshell string truncation and splicing Linux string truncation is very useful. There are eight methods. Assume there are variablesVar = http://www.hao.com/123.htm 1 # intercept, delete the characters on the left, and retain the characters on

Ubuntu PHP Basic Environment configuration (including Memcached) First, install Apache Sudo apt-get install apache2 Then start the service Sudo/etc/init. d/apache2 start Then PHP Sudo apt-get install libapache2-mod-php5 php5 You can continue to