General steps used by the GDB debugger (constantly updated and perfected):1, the compilation process to use the-G parameter to add debug symbols--GCC test.c-g;2, gdb start executable file--gdb a.out;3, the appearance of the GDB symbol indicates a
What happens if the Linux address is not ping?Problem: Today wrote a paid project, there is a class in the use of the HttpPost request, the address of the HTTP request is: Https://api.mch.weixin.qq.com/pay/unifiedorderFound in the normal use of the
First the Linux process priority range is 20 to 19Package The documents directory under the current directory, but do not want tar to consume too much CPU:Nice-19 tar zcf pack.tar.gz documentsThe "-" in this "-19" represents only the parameter
Main () function, presumably everyone is not strange, from the beginning of the program, we began to write main (), we all know that main is the entrance of the program. That main as a function, and who calls it, how it is called, returned to whom,
The recent FTP transfer files to the Linux server, there is garbled situation, the transmission of the file name with Chinese characters. The system language is then set to support ChineseInstall the relevant package firstYum-y Groupinstall
functions to create a process fork (), vfork (), and execl ()This content mainly introduces the function fork and vfork of the 2 creation process under Unix/linux and their differences.1.fork function(1) Format of the function#include pid_t fork
Original link: http://jz20080153.blog.sohu.com/161554070.htmlLs-l List Information DetailedWhen we use the Ls-l command to view the Keyholder information of files and subdirectories in a directory, we get a detailed list of file and directory names.
Linux Learning SummaryAfter the end of a semester of Linux learning I harvest very rich, in this study, we tried a new way of learning, Linux Flip class, every week on the MOOC website followed by the teacher to explain the video learning and
Tips: Linux dynamic library and static library production and use of detailedThree ways of connection and static library making and using in standard libraryLinux application development usually has to consider three issues, namely: 1) in the Linux
OverviewShared memory is one of the simplest ways to communicate between processes. Shared memory allows two or more processes to access the same piece of memory, as if the malloc () function returns a pointer to the same physical memory area to a
Turn http://www.cnblogs.com/bangerlee/archive/2012/02/20/2356818.htmlIntroduction"Oops, the system hangs dead ...""Oops, the program crashed ...""Oops, command execution error ..."For the maintenance staff, such tragedies are staged every day.
Linux search commands and Linux search commands
Which command Which is used to find system commands, such as ls and cat. It is searched from the folder specified by the PATH variable. When the specified folder contains a binary file with the same
Install redis, php-redis, and centosredis in centos in Linux.
Source Address: http://mirrors.ustc.edu.cn/fedora/epel/6/x86_64/epel-release-6-8.noarch.rpm // This is centos 6
Install and enter the following command:
Step 1:
# Wget http://mirrors.ustc.
3 command line tips and Linux tips for linux Users
The Linux world is full of fun. The deeper we get into it, the more interesting things we will find. We will try to provide you with some tips to make you different from others. Below are three tips
[Post] share a record batch processing file, 4412otg, on the fast 4412 Development Board OTG.
Platform: iTOP-4412 Development Board
Bat function:
1. You do not need to copy the command for each record.
2. Batch burning
Development Board
Centos rm Recycle Bin
After linux rm deletes a file, it is troublesome to restore it. Even if it is restored, the file name format is changed to a string of numbers.
Modify the environment variable of the root user
Vi ~ /. Bashrc
Comment out the
Practical application scenarios of Mesos
[Editor's note] the content in this article comes from a question on stackoverflow. The questioner wants to know which use cases Mesos has in actual use, twitter engineers answered questions from the
How to Use the mod_jk connector to integrate Apache2 and Tomcat 7
Apache is the most popular web server. It is usually used to receive and respond to client requests. It gets a URL, translates it into a file name (or static request), extracts the
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