Linux

Started the Linux-driven learning, starting with the simplest Hello world.First, Hello World source code and comments are as follows:#include /* Required header files, header files for initializing and clearing functions * /#include /* required

See below for a larger section: Bird's private Cuisine (third edition)Http://vbird.dic.ksu.edu.tw/linux_basic/linux_basic.php#part2Below we introduce the basic knowledge of Linux:Linux is a set of open-source, stable multi-user network operating

When using fopen or sockets in a PHP program, report the error:Php_network_getaddresses:getaddrinfo failed:temporary failure in name.650) this.width=650; "src=" Http://183.61.143.148/group1/M00/02/3A/tz2PlFQyXAmDPxkPAADGVqWUIgU439.png "/>My code is

We have written this code more than once: { mutex_. Lock (); // XXX if (....) return ; // XXX Mutex_.unlock ();}Obviously, we forget about locks in this code. So how to prevent this, we adopt the same strategy as the smart

Conditional compilationIn general, all rows in the source program will be compiled. Sometimes, we want a part of the program to compile only when a certain condition is not established or set up, that is, to specify the conditions for the

the making and using of dynamic link library under Linux The making and using of dynamic link library under LinuxCompilation and use of dynamic link library *.so--Dynamic library *.so in Linux under the C and C + + programming often encounter,

Recently studied Rhce, Umask here, the book said to modify/etc/profile and/ETC/BASHRC two files, but did not explain the two differences. So after viewing the Internet, I understand how each is used. /etc/profile is the corresponding

Test the hardware information of the machine:View CPU information (model number)# Cat/proc/cpuinfo | grep name | Cut-f2-d: | Uniq-c8 Intel (R) Xeon (r) CPU E5410 @ 2.33GHz(see 8 logical CPUs, also know the CPU model)# Cat/proc/cpuinfo | grep

Linux File System: In Linux, if we want to know the specific information of a file, the simplest method is the ls command. As shown in: When the shell input command "ls-l old", some Information. The following describes the meaning of each output

View System Version Information in linux 1. System version cat/proc/version Linux version 2.6.32-131.0.15.el6.x86 _ 64 (mockbuild@x86-007.build.bos.redhat.com) (gcc version 4.4.4 20100726 (Red Hat 4.4.4-13) (GCC) #1 SMP Tue May 10 15:42:40 EDT 2011

Use xftp to connect to centos6.5 in VirtualBoxFirst, install xftp on windows. This is a silly operation.After the installation is complete, check whether the xftpd service is installed on centos,[Root @ centos Desktop] # rpm-qa | grep vsftpdVsftpd-2.

Centos6.5 modify the language of a common userWhen installing centos, select the Chinese environment and create two new users, one isRootUser, one isTestUser. However, after the installation is complete, I want to modify the environment to English.

Linux-Ubuntu Chinese Input Method installation (Ubuntu12.04)Installation of Ubuntu Chinese Input Method (Ubuntu 12.04) Address: http://blog.csdn.net/caroline_wendy Ubuntu, as a common Linux operating system, must be used skillfully. During the

Linux pipeline programming instance # Include # include # include char parent [] = "a message from parrent"; char child [] = "a message from child"; main () {int chan1 [2], chan2 [2]; int pid; char buf [100]; pipe (chan1); pipe (chan2); pid =

How does one start Linux)   Yesterday, I took a test on the linux system startup process. I didn't answer it at the time, but it is not complicated to sort it out ). After you press the power button until the welcome page is displayed, you can

Linux I/O subsystem monitoring and tuning (1) Linux I/O subsystem optimized As a server host, the maximum two IO types are: 1. Disk IO 2. Network I/O This is the most adjusted part. How is disk I/O implemented? During memory optimization, we have

In Linux, how does one manage configurations with Puppet and Augeas? Although Puppet is a very unique and practical tool, you may use a different method in some cases. For example, modify a configuration file that is already on several of your

How to Use Quagga to change your CentOS device to an OSPF router? Quagga is an open-source routing software package. It can be used to convert your Linux device into a fully functional router that supports several major routing protocols, such as

Install gcc under yum in CentOS -- RPMYum install gcc-c ++Yum install gcc-g77Yum install flex autoconf zlib curl zlib-devel curl-devel bzip2 bzip2-devel ncurses-devel libjpeg-devel libpng-devel libtiff-devel freetype-devel pam-develCited by:

Bash software security vulnerability detection and repair solution   On September 6, September 25, following the heartbleed vulnerability, security research experts discovered a dangerous catastrophic vulnerability, red Hat, an open-source software