Linux

As an efficient and tightly integrated hardware platform, assembly language plays an important role in the operating system, embedded development and other fields. Because the assembler relies on the hardware structure (CPU script), the assembly

The headline is very clumsy. These two days in the toss of the matter, the toss of the results recorded. First of all, in the application layer how to do this thing, very simple: [CPP] view plain copy print?           #include #include int main ()

Modify the default encoding for Linux 2009-10-28 10:17 The default encoding for Windows is UTF-8, which is the default encoding for Gbk,linux. The Chinese that is edited under Windows, is displayed as garbled under Linux. To resolve this

Author: zccst 1, download http://subversion.apache.org/download/ A total of two documents, respectively: Subversion-1.6.21.tar.gz and subversion-deps-1.6.21.tar.gz Then the pressure is pressed in turn. 2, installation # CD

Software dependencies between Linux are complex, and sometimes installing a software takes days and 99% of the time to install the corresponding version of the dependency. The advent of Yum greatly simplifies software management, allowing users to

Linux rsync Command detailed [Date: 2011-04-28] Source: Linux Community Author: Linux 1. What is rsyncRsync (remotesynchronize) is a remote data synchronization tool that allows you to quickly synchronize files between

If your server Apache has not been installed, it is very simple, in the compilation of Apache when the Mod_rewrite module into the can if your Apache has been installed, now only want to compile the Mod_ Rewrite.so module, which is loaded in Apache,

Original address: http://kumu-linux.github.io/blog/2013/08/06/tmux/ "The gentleman born is not dissimilar also, the good leave in the thing also". -The word "Xunzi Quanxue" If you remember correctly, "Xun Zi Quanxue" We should have read this

Overview As a Java web Developer, it is time-consuming and laborious to manage a large number of Tomcat and Nginx instances of Linux on a purely manual, and an automated management software or script is essential. Jenkins, as a convenient and

System V IPC parameters name Description Reasonable Value SHMMAX Maximum shared memory segment size (bytes) At least a few megabytes (see text) Shmmin Minimum shared memory segment size

https://my.oschina.net/7shell/blog/308887 Company business needs, a server, dual network card, the need to access both the extranet and intranet. In the setup process, colleagues reflect the original use of the intranet address (192.168.1.100) in

MySQL performance test these days, a huge company, looking for a few performance testing machines are very tangled, finally coordinated to two, IO performance how do not know.The database is an IO-intensive application, so let's evaluate the IO

#include int gettimeofday (struct TIMEVAL*TV, struct timezone *tz); The parameter TV is the structure that holds the result of the time, and the parameter tz is used to save the time zone result: struct timezone{ int tz_minuteswest;/* GMT to the

The rsync cause of Linux operations Automation scriptsBecause you want to do the synchronization log script, considering that the machine is more, the back also to expand.Recently I was learning python (a comparative dish).IdeasComposition:

Recently have been learning Linux, the permissions of files and directories have a new understanding, feel like to figure out or need to spend a bit of thought. Note: 1. The following conditions are only for the owner of the file or directory (U); 2.

1. CD commandThis is a very basic, is also a common need to use the command, it is used to switch the current directory, its parameters are to switch to the path of the directory, can be an absolute path, can also be a relative path. Such as:

Chattr modify file or directory file attributes, add Super Permissions-R Recursive modified file subdirectory-V Show details of modified content+ Append parameters on original basis-Minus parameters= with the new parameter specifiedA append can only

The code is as follows#include #include#include#include#include#includeintDemo_major = -;intDemo_minor =0;intDemo_count =1;structCdev Cdev;Static struct class*Demo_class;Static structDevice *Demo_device;intDemo_open (structInode *INODEP,structFile *

the SED for linux text processing I introduced the text processing grep, and now let me introduce the second swordsman--sed of the Three Musketeers of text processing.        sed is an older, more powerful stream editor for text processing, with

(1) Case statement: Select structure case, SWITCH in value1) statement ...;; The double semicolon ends. value2) statement ...; *) statement ...;; Esac//esac end. (2) Shift parameter description: After the shift command is executed, the command-line