What is DHCP:
DHCP (Dynamic Host Configuration Protocol) is a LAN network protocol. It refers to a range of IP addresses controlled by the server. When the client logs in to the server, it can automatically obtain the IP address and subnet mask assigned by the server.
DHCP has three mechanisms for assigning IP addresses:
Automatic Allocation ...
Added by venradio on Sun, 06 Mar 2022 05:01:19 +0200
Kernel version: linux 4.9.225. Take freescale as an example. (some contents need to be modified and supplemented, which may not be accurate)
In the previous article, the controller driver uses the connection mode of platform bus. In this section, the PHY device driver is based on the connection mode of device, d ...
Added by KirstyBurgoine on Sat, 05 Mar 2022 18:06:19 +0200
Close to the whole country hw, there will be a series of training articles on the free killing of the red team in the future. I hope you can avoid it indiscriminately on the field and will not release the ready-made loader, but the example is a good loader. Once again, free killing is not a unique talent of a technology, but a hundred flowers b ...
Added by jhuedder on Sat, 05 Mar 2022 08:59:22 +0200
1, First acquaintance list
1. Understanding of lists
A variable can store an element, while a list is a "big container", which can store n more elements. The program can easily operate these data as a whole. A list is equivalent to an array in other languages, and a list is equivalent to a schoolbag containing many "books" ...
Added by nthomp on Sat, 05 Mar 2022 00:24:30 +0200
History of Internen: ARPAnet (US military command network) - > TCP / IP (1970s) (packet switching technology in 1980s) (web technology in 1990s) (these three technologies are the three technologies that are the key symbols of the mature core of the Internet) - > ansnet - > Internet
Typical Internet services:
1,www(World Wide Web) we ...
Added by sbourdon on Fri, 04 Mar 2022 02:54:27 +0200
1, The first driver under Linux
The drive is divided into four parts: Header file Inlet and outlet of drive module Declaration information Function realization The first step includes the header file 1 #include<linux/init. h> Header file containing macro definition 2 #include<linux/module. h> Header file containing initialization l ...
Added by Craig79 on Wed, 02 Mar 2022 12:25:02 +0200
This article is an official article on nginx If is Evil... when used in location context Translation and understanding.
There is a problem with the if instruction in the location block. In some cases, the if instruction will not work as we expected, but may develop in a completely different direction and even cause errors. T ...
Added by irwa82 on Tue, 01 Mar 2022 15:17:22 +0200
This article is reproduced in: (with code) real plug and play! Inventory 11 kinds of exquisite and common "small" plug-ins in CNN network design
The so-called "plug-in" is to add to the icing on the cake and be easy to implant and land, that is, the real plug and play. The "plug-ins" reviewed in this ...
Added by 448191 on Mon, 28 Feb 2022 17:06:20 +0200
1. UDP search IP and port
Implementation principle: in a LAN, you don't know the IP address of the server, but only the UDP Port common to the server. In this case, you want to realize the TCP connection. TCP is a point-to-point connection, so you need to know the connection IP address and Port of TCP.
How to get the IP and Port of TCP? It ca ...