Cloud Applications

To modify the approval file name, remove the back in abc_20130908_back.jpg. The first method is 'catfiles'; dotouch $ I; donecatpname. shforfin 'ls *. jpg 'domv $ F' echo $ {f % back * w.'.jpg d. Modify file names in batches Remove the back in abc_20

Ask about the system clock-Linux general technology-Linux programming and kernel information. The following is a detailed description. Today, we can see that the current time of the system = the time of the last bottomhalf runtime xtime +

LAMP refers to the web servers built in Linux (operating system), Apache (HTTP server), MySQL (database software), and PHP. This website architecture is currently a popular and common Web architecture. It has advantages such as LAMP cross-platform

Static library and dynamic library creation steps-general Linux technology-Linux programming and kernel information. The following is a detailed description. How to Create a static Library: Compile the Code as the target file: # Gcc-c liberr. c-o

Recently, I have been writing a script to automatically detect the host type in the network. The basic function can be used to determine the host operating system type. If the host is in the domain, you can obtain the host hardware and performance

The generated password and user input can accept repeated numbers. Therefore, it is more difficult to guess the numbers than the general rules. This version of the rule: A-number pair, the position is also B -- after the result of A is excluded, the

Recently, scripts always need to be computed. It will be troublesome to use awk each time. We will encapsulate the addition, subtraction, multiplication, division, and sourcemath. sh for each call. Some key points should be pointed out to avoid

Don't touch me, VIM-general Linux technology-Linux programming and kernel information. The following is a detailed description. Source: cnbeta.com Everyone said that VIM is a master. If I say no, just take a look at the program image. It is simply

Solve the Linux Crash problem-general Linux technology-Linux programming and kernel information. The following is a detailed description. Today, another student asked me why Linux crashed. When you execute a touch program, suddenly the screen

V4L2VIDIOC_QUERYCTRL cannot query -- Linux general technology-Linux technology and application information. The following is a detailed description. The following is the source code, which always fails, 1 # include 2 # include 3 # include

PS: the original intention of writing a script is to facilitate your work more efficiently and exercise your ability to write a script. Of course, I hope it will bring you some small help, I hope you can provide more support, comment, and point out

For more information, see Linux general technology-Linux technology and application. I am a little white, but I really want to learn computer technology, especially programming, proficient in coding, and network technology. I checked related

In Linux, there are many methods to read a file row by row. The most common method is the method in the script below, which is the most efficient and the most commonly used method. To give you an intuitive feeling, We will test the execution

Considering the batch launch of games, I wrote a deployment script for the mysql game. Because the system environment is the same, I did not install mysql in the script, but took the compiled mysql directly for use #! /Bin/bash #2013/11/20 # Email:

Five programming rules for the daemon in linux-general Linux technology-Linux programming and kernel information. The following is a detailed description. (1) create a child process and exit the parent process: Call fork first, and then exit the

This script has been used on production servers for more than a year. it advocates simplicity and beauty. you only need one script to automatically configure LNMP on any network-connected server. This script creates the packages directory under the

1. background when multiple processes may perform operations on the same data, these processes must ensure that other processes are not operating to avoid data corruption. Generally, such a process uses an & ldquo; lock file & rdquo;, that is, to

Continuous execution uses semicolons. sometimes we want to write multiple commands under the command line. In this case, how can we perform this operation. # Ls/tmp/xxxx; echo & #39;/tmp/xxxx & #39; ls:/tmp/xxxx: nosuchfileordirectory/tmp/xxxx in

For details about how to develop a Chinese operating system-Linux general technology-Linux programming and kernel, see the following. [I = s] This post was last edited by cjz_hb So far, the Chinese operating system has not yet been developed. it

Process issue continuation-Linux general technology-Linux programming and kernel information. The following is a detailed description. I improved my program, but there was a new problem. my program is as follows: # Include # Include # Include