In simple terms, OpenWrt is a soft router. Strictly speaking, OpenWrt (full name Open Wireless Router) is a Linux distribution developed for embedded devices, especially routers, characterized by its openness and customizability. It provides a complete software development environment, allowing users to freely customize, install, and uninstall software packages to meet various network needs. Due … Read more
Start of the Main Content Every encounter is a fate, follow ⭐ to not miss out – sharing practical tutorials and tips every day. 1. Network Interface Management: The Foundation of Network Connectivity 1.1 Analysis of Modern Network Toolchains In contemporary Linux systems, the <span>iproute2</span> suite has completely replaced the traditional <span>net-tools</span>, with advantages including: … Read more
Practical Guide | Don’t throw away your old computer, transform it into a home server In today’s rapidly advancing technology landscape, electronic products are updated at an ever-increasing pace, and old computers at home can easily become idle. Have you ever considered that these seemingly useless old computers can be transformed into powerful home gateway … Read more
Low-power processors, intelligent wireless networks, low-power sensors, and “big data” analytics have significantly increased interest in the Industrial Internet of Things (IIoT). In short, the combination of these technologies enables the placement of numerous sensors anywhere: not only where communication and power infrastructure exists but also in any location where valuable information needs to be … Read more
Practical Commands for Linux System Administration In today’s digital age, Linux, as a powerful open-source operating system, has become the preferred platform for server environments and technical professionals due to its high flexibility, security, and stability. This article provides readers with some practical commands for Linux system administration, covering network configuration, system monitoring, file operations, … Read more
Original link: https://developer.aliyun.com/article/1637555 In Linux systems, the <span>ip</span> command is a powerful tool for managing network interfaces and routing. Compared to the older <span>ifconfig</span> command, the <span>ip</span> command offers more features and finer control. This article will detail the common operations of the <span>ip</span> command to help users manage and configure networks more effectively. <span>ip</span> … Read more
1. Phenomenon Description: The user cannot connect to the network, and the local connection icon in the system tray shows an exclamation mark indicating that the IP is restricted. 2. Cause Analysis 1. Many users do not understand TCP/IP and do not know how to set parameters such as “IP address”, “subnet mask”, and “default … Read more
Xiang’an Sun, Hongyi Zhu (Shanghai Broadband Technology and Application Engineering Research Center, Shanghai 200436) Abstract: Smart home devices are making home networks increasingly complex. This article starts from two aspects: the types of smart home network devices and their traffic characteristics. It selects some representative and easy-to-operate real terminal devices, builds a home network simulation … Read more
1、CANopen‘s Predefined MessageID Classification: At the inception of CANopen, even in the automotive electronics industry where CAN bus is most widely used, the number of CAN nodes in the network and the amount of information needing communication were relatively low. People adopted CAN to replace RS485, primarily valuing its real-time advantage of burst transmission, while … Read more
OD (Object Dictionary): This is an ordered, predefined group of objects that can be accessed via the network, with each object addressed by a 16-bit index and an 8-bit sub-index. The range of a node’s object dictionary is from 0X1000 to 0X9FFF. COB-ID (Communication Object Identifier): This is the message frame ID of the CANopen … Read more