Linux

Recently, when debugging voice pots, a function of the BSP module to obtain the board type was called. Because this function is called across modules, the function export_symbol is generated in the file where the called function bdif_getboardtype is

Use of md5sum in LinuxMD5AlgorithmIt is often used to verify the integrity of network file transmission and prevent file tampering.MD5Message Digest algorithm (Message-Digest algorithm)5), this algorithm computes information of any length by bit,

NormallyProgramA version query command, such as "-V", is added during development. The build version and build date are usually displayed. Therefore, if this information is automatically added during each compilation, it is very convenient. The

Recommended books: full manual for Embedded Linux Application Development Edited by Wei Dongshan people's post and telecommunications Publishing House     The book is divided into five parts, these are the embedded Linux development

1. Create a starter in the Application menu: We will use openoffice3 for demonstration. Application> attachment> Terminal Enter the following command in the command line: Sudo gedit/usr/share/applications/openoffice3.desktop # Sudo uses the

First of all, there must be a stable version of the kernel source code. I started to use an RC version, and the results always failed... CD to the kernel code directory,/usr/src/linux-x.x.x does not seem to work, I am using my own linux-2.6.33.3

  Atomic variable analysis in Linux Kernel There are several things in the Linux kernel that are common, and atomic variables are one of them. In fact, I have never tried these things before. After all, there are just a few lines of code, as long as

1. Download and decompress the SDK. Download jrtplib-3.7.1.tar.gzand jthread-1.2.1.tar.gz separately. Is: Http://research.edm.uhasselt.be/jori/jrtplib/jrtplib-3.7.1.tar.gzand Http://research.edm.uhasselt.be/jori/jthread/jthread-1.2.1.tar.gz 2. Place

Becoming a Senior Programmer proficient in Linux programming has always been the goal of many friends. According to statistics from chinacache, the monthly salary of Linux programmers in Beijing is 1.8 times that of Windows programmers, 2.6 times

These skills are summed up when I read them. I will talk about them whenever I think of them. In fact, I have summarized more than these skills, but let's talk about them first. I thought about it later. Only when I encountered actual problems when

Recommended books: "laruence's Linux basic learning for Private food" (Third edition) Bird brother Wang shijiang adapted the People's post and telecommunications Publishing House   I started to learn Linux 2 or 3 months ago. I just got four books

I wanted to write a small article recording the exec function family myself, but when I learned the relevant knowledge, I found that the previous article on the Internet has been quite detailed. So we use another stone. The following is an excerpt

MPs queue has the following features: It can only be used for communication between kinship processes (Parent and Child processes or sibling processes) It is a half-duplex communication mode with fixed read and write ends. Pipeline can be viewed as

This article from the csdn blog, reproduced please indicate the source: http://blog.csdn.net/z2007b/archive/2011/05/19/6433003.aspx //************************************** *********************************** Linux Kernel Lecture Hall (1)

I have been learning-driven. For the following article, I think it is concise and clear, basically in line with our learning-driven progress and process, and now I will forward it to my blog, hope to share with more friends.     /********************

This document describes the concepts and usage of the Linux daemon. Daemon is a background service process. It is usually independent of the control terminal and periodically executes tasks or waits for events. The daemon is often started during

Common SVN commands in Linux   1, Checkout the file to the local directorySVN checkout path (path is the directory on the server)Example: SVN checkout SVN: // 192.168.1.1/Pro/DomainAbbreviation: SVN Co2Add new files to the version

Hardware information of the test machine: View CPU information (model)# Cat/proc/cpuinfo | grep name | cut-F2-D: | uniq-C8 Intel (r) Xeon (r) CPU e5410 @ 2.33 GHz(We can see eight logical CPUs and the CPU model) # Cat/proc/cpuinfo | grep physical |

  Enter the Linux system as root, and then edit the file icmp_echo_ignore_all.VI/proc/sys/NET/IPv4/icmp_echo_ignore_allChange the value to 1 to disable Ping.Change the value to 0 to disable Ping. My lnux is not very good either. I hope you can give

Timer problems in Linux Sample Code:# Include Using namespace STD;# Include # Include # Include # Include # Include # Include # Include # Include # Include # Define sigmytimer (sigrtmax)Int settimer (INT nelaspe, int