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Path for Linux Device Driver engineers-basic principles and framework of network device drivers K-Style Reprinted please indicate from Hengyang Normal College 08 electric 2 K-Style http://blog.csdn.net/ayangke,QQ:843308498 mailbox: yangkeemail@qq.com 1. Linux network subsystem At the top of the Linux network subsystem
implement datagram filtering (filter table), Network Address Translation (Nat table), and datagram processing (mangle table ). The three datagram processing functions provided by the Linux kernel are based on the netfilter hook function and IP table. They are independent modules and mutually independent. They are all perfectly integrated into the framework provided by Netfileter. Package filtering The fi
/(. *) $/test1/test2/test3/index.php/$1 Break; Fastcgi_index Index.PHP; Fastcgi_pass127.0.0.1:9000; includefastcgi.conf;//fastcgi.conf for PHP parsing library related text}}where fastcgi.conf for their own definition, if not, can be replaced by:1 $document _root$fastcgi_script_name ; 2 include Fastcgi_params;PS: after each configuration of Nginx, remember to restart Nginx, so that the configuration takes effect!then , modify the CI framework in the mi
buffer synchronization management, can let the operation of buffer can be executed in parallel to reduce the time.Each buffer in the bufferqueue has a corresponding fence FD, which corresponds to a fence object, which indicates that there is a role in manipulating this buffer when the fence object becomes siganled state. Indicates that the buffer is no longer being manipulated.Fence can be simply understood as a lock, when it is active to indicate the control of the buffer, when it is signaled
, vsftpd7) HTTP Download (terminal): wget, Curl, Prozilla8) bt download: BitTorrent (terminal), Azureus (graphical interface)9) Email software (graphical interface): KMail, Thunderbird, Sylpheed, Evolution, opera M2E-mail terminal: Mutt, Pine, Gnus) Rss:liferea, AkregatorBbs:qterm, {rxvt,xterm,gnome-terminal,...} +bbsbot [Editor]1) Text: Vim, Emacs, JEdit2) 16 binary: HexEdit, Ghex, MC3) Image view: Gimageview, Gqview4) Image processing: GIMP, ImageMagick5) Audio Processing: Audacity [Common too
has always been using out-of-the-box UI framework, such as Microsoft's window, QT, etc., because it has a variety of controls (such as button, window, edit, etc.) have been encapsulated implementation, we just have to use it, also always think it is sacred, do not have a deep understanding of how it is implemented, In the near time have to do this project, and I designed and realized, to say the truth, just want to find an easy-to-use UI
: This article mainly introduces how to configure uwsgi + nginx server for the flask framework website in Linux. if you are interested in the PHP Tutorial, refer to it. Configure uwsgi + nginx server for the flask framework website in Linux The myproject program exists in the home/admin/directory, which contains hello
BrieflySpark is the universal parallel framework for the open source class Hadoop MapReduce for UC Berkeley AMP Labs, Spark, with the benefits of Hadoop MapReduce But unlike MapReduce, the job intermediate output can be stored in memory, eliminating the need to read and write HDFs, so spark is better suited for algorithms that require iterative mapreduce such as data mining and machine learning. Since Spark has a Python API, I'm more specific to the P
Python Scrapy framework installation tutorial on Linux, pythonscrapy This is an open-source tool for extracting website data. The Scrapy framework is developed using Python, which makes crawling fast, simple, and scalable. We have created a virtual machine (VM) in virtual box and installed Ubuntu 14.04 LTS on it.Install ScrapyScrapy depends on Python, development
I have been engaged in Embedded Linux for more than a year. If I had learned this course during my college years, I would have had more than two years of experience. During this period, I also wrote the underlying bootloader, kernel drivers, and upper-layer applications. I have also used FPGA's OpenGL for the modules inside the chip in college, so I have a little understanding of the entire embedded framework
really not going to start from scratch. Implementing the initialization of the driver Implementing the corresponding operation function of the application interface Compiling the loader Test The basic framework of the driver writing is similar, is to implement the system call to the corresponding function, and in the function to implement the corresponding function, a simple LED driver, for example, according to the character dev
Topic:Programming a basic multi-process test framework that prompts the user to enter the number of processes, and the number of running laps per process. Perform multi-process stress testing.Requires the parent process to monitor the exit of all child processes and avoid the zombie process.#include #include#include#include#include#includevoidFuncint,int);intMainvoid){ intNUMJ; intNumq; intI, J; pid_t pid; printf ("parent Process PID%d\n", G
This time began to engage in Android camera low-level driver, the previous Linux video driver review, this article mainly summarizes VFL2 (video for Linux 2).I. V4L2 framework: Video for Linux version 2Virtual Video driver VIVI.C Analysis:1. assigning Video_device2. Set up3. Registration: Video_register_deviceVivi_init
; Set the main device number Disk->first_minor = iWhere the Gendisk (Universal disk) structure is used to store the device's hard disk information, including request queue, partition list and block device operation function set, and so on, the structure is as follows:struct Gendisk { int major; /* Device main device number */ int first_minor; /* Start Device number */ int minors; /* Number of secondary device number, also known as the number of partitions, if the value
On Linux, Nginx + Python's web. py and Django framework environment, 1. Compile nginxI bought a copy of "Practical nginx-replacing Apache high-performance server" on the Internet, which is relatively simple to write. It mainly involves configuration, but it is exactly what I need now. Because it needs to support https and rewrite, in addition to nginx source code, but also download the openssl-0.9.8r.tar.gz
Tags: dev obj flags protect Serialize Ice nbsp Linux video BSPLinux video media (kernel layer analysis) mainly consists of three files:(/drivers/media/media-device.c,/drivers/media/media-devnode.c,/DRIVERS/MEDIA/MEDIA-ENTITY.C)I. Main analysis of the/drivers/media/media-device.c file, the main structure of this file is: structMedia_device {structDevice *dev;//Dev->driver_data points to this struct structMedia_devnode devnode; Charmodel[ +]; Chardr
Open Terminal Input Commanddjango-admin startproject demo #其中demo是项目名称可以自定义Open the Terminal input command in the manage.py peer directory to start the projectpython3 manage.py runserverEnter the native IP in the browser 127.0.0.1:8000 Linux system command line input ifconfig can view IPShow it worked! indicates a successful runCreate an Apppython3 manage.py startapp myweb #myweb是应用名称uConfigure root route, sub-route, and views viewOpen the URLs in
November 13 News, Microsoft announced in Wednesday. NET Development Framework Open source program, let. NET apps can be run on Linux and Mac OS X in the future.According to reports, Microsoft said that in the next few months, will also open. Let your Bo NET core runtime and. The rest of the net Core framework.According to Microsoft's plan, the next release. NET Development
, the interrupt has been shut down, even if the interrupt controller is closed, as long as the network card does not have water, the data can still send and receive, it is completely independent of the interrupt and protocol stack. This is amazing! About Netconsole, I write as much as the kernel of the document to the good:$kernel/documentation/networking/netconsole.txt.Netpoll is a means of communicating with the outside world in the Linux kernel whe
Linux Kernel netpoll framework and netconsole, netpollnetconsoleAlthough it is related to the network, it is not part of the network protocol stack, Which is netpoll.It is just a processing framework of the portal. The so-called network, its terminal node is the host, the data is sent from the host's network card, through an exit processing process, the network c
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