IoT: Edge Computing Architecture and Typical Networking Topology

IoT: Edge Computing Architecture and Typical Networking Topology

​ The Internet of Things (IoT) is an important part of the new generation of information technology and represents a significant stage in the era of “informationization.” Download Links: “Collection of IoT Industry Solutions (Part 1)” 1. A Brief History and Overview of IoT Development.pptx 2. IoT Industry Applications and Solutions.pptx “Collection of IoT Industry … Read more

Understanding RS485: 18 Questions Answered

Understanding RS485: 18 Questions Answered

Search on WeChat Technical Training RS485 interfaces are composed of half-duplex networks, generally using two-wire systems, often employing shielded twisted pairs for transmission. This wiring method allows for a bus topology structure, which can connect up to 32 nodes on the same bus. Initially, data was output as analog signals for simple process quantities, and … Read more

The Three Elements of Linux Configuration: The Synergy of Files, Commands, and Interfaces

The Three Elements of Linux Configuration: The Synergy of Files, Commands, and Interfaces

🌟 The Three Elements of Linux Configuration: The Synergy of Files, Commands, and Interfaces 💡 Introduction: In the world of Linux, almost everything can be configured and customized. From kernel parameters to user environments, from network protocols to hardware drivers, the flexibility of configuration is one of the reasons why Linux is powerful and widely … Read more

The Ultimate Guide to Linux Commands: Become a System Operations Expert

Linux | Red Hat Certified | IT Technology | Operations Engineer 👇 Join our technical exchange QQ group with the note 【Public Account】 for faster approval Linux Course Notes Directory Structure /:Root directory, the only top-level directory Path example: /home/itheima/a.txt indicates the a.txt file in the home/itheima folder under the root directory Basic Commands ls: … Read more

Differences Between HTTP Long Connections and Short Connections

Differences Between HTTP Long Connections and Short Connections

Concept HTTP Short Connection (Non-persistent Connection): A TCP connection is established for each HTTP request-response, and it is immediately closed after completion. HTTP Long Connection (Persistent Connection): Multiple HTTP requests and responses can be sent continuously over the same TCP connection, which remains open for a period of time, allowing the reuse of that connection … Read more

The Role and Message Format of ARP in TCP/IP

The Role and Message Format of ARP in TCP/IP

Image course, development board –> Taobao store: Wolf FPGA ConsultationWeChat: MyWork666888 QQ group: 543928922 Recently, Wolf published an article on 100G networking titled “FPGA Project: 100G Network Development Sharing”. It is impressive that it can communicate, but the downside is that it only reaches the MAC layer, and the upper network layers are missing. To … Read more

Advanced Programming in VxWorks

Advanced Programming in VxWorks

Content Overview This book provides an in-depth and systematic explanation of the key points and challenges in advanced programming with VxWorks, particularly focusing on POSIX programming, I/O systems, and network application programming, along with numerous practical programming tips. Additionally, it offers detailed insights into new technologies and excellent features that have emerged in VxWorks. The … Read more

Configuring OpenWRT for Automatic IP Acquisition as a Secondary Router

Configuring OpenWRT for Automatic IP Acquisition as a Secondary Router

In the previous issue, we discussed the tutorial on setting up PPPoE dialing in OpenWRT. In bridge mode with the optical modem, if PPPoE dialing is not configured, OpenWRT cannot access the internet properly. Tutorial on setting up PPPoE dialing in OpenWRT However, many newly installed broadband connections are set to router mode by the … Read more

Installing and Configuring Tailscale on OpenWrt

Installing and Configuring Tailscale on OpenWrt

Installing and Configuring Tailscale on OpenWrt What is Tailscale Tailscale is a networking tool based on WireGuard that allows for peer-to-peer connections between nodes without the need for a public IP address, utilizing a decentralized approach. It is easy to configure and supports various platforms and clients. Advantages of Tailscale Compared to ZeroTier and WireGuard, … Read more