In some IoT application scenarios, it is necessary to use 16 serial ports to connect devices or sensors. By using the industrial core board designed by Gexin based on the MA35D1 MPU, it is very easy to design a 16 serial port solution in a short time. The MA35D1 MPU integrates 17 serial ports: 1 … Read more
Linux has stormed the embedded systems market. According to industrial analysts, approximately one-third to one-half of new 32-bit and 64-bit embedded system designs utilize Linux. Embedded Linux has demonstrated advantages in many application areas, such as SOHO home networks and imaging/multifunction peripherals, and has significant potential for leapfrog development in areas like (NAS/SAN) storage, home … Read more
Click the blue text above â Follow Jie Chuang Yuan Linux When developing and debugging WEB projects, the configuration of the development environment can sometimes be cumbersome. The XP Panel can be used to integrate the environment. Official website of XP Panel: https://www.xp.cn/ 1. You can use the installation script of the XP Panel for … Read more
In the world of Linux, mastering the skill of executing commands or scripts during system reboot or startup is like possessing a magical key that opens the door to automated operationsđ. Whether it’s for system initialization settings, starting specific services, or performing data backups, this method allows for efficient automation. This article will take you … Read more
In Linux systems, service management and system status control are daily tasks for system administrators. The systemctl command is the control tool for the Systemd system, used to manage system services and system status. Today, let’s learn about this super useful commandâsystemctl.1. What is the systemctl Command?The systemctl command is used to manage system services … Read more
The event is in progress, and the speaker has embarked on a journey of knowledge, from the origin story of Linux to its development history, delving into system architecture analysis, interspersed with practical demonstrations. Everyone is closely watching the operation steps on the screen, quickly taking photos to record key content. When explaining command line … Read more
Router Flashing This section refers to the relevant tutorials from various manufacturers, but it is said that there is a firmware called breed, which seems to make the router less likely to become bricked after flashing! Changing the Default Mirror Source of the Router and Preparation Work Connect to the router using SSH, by default … Read more
Scenario 294: Firewall Service Not Running Issue: The firewall service is not running, leading to insecure network access. Troubleshooting Steps: Check the status of the firewall service: systemctl status firewalld If the firewall service is not running, start it: systemctl start firewalld Enable the firewall service to start automatically on boot: systemctl enable firewalld Scenario … Read more
Click the blue “Most Programmer” to follow me! Add a “star” to get daily tech learning at 18:03 Shell is the core weapon of the Linux system, but many people only know the basic commands likelsăcdărm and nothing more. The following advanced tricks will help you say goodbye to being a “Shell novice” and boost … Read more
There are many search tools in Linux, and today we will mainly discuss two tools: locate and find. 01 Locate 1. Performance Overview Queries the pre-built file index database on the system /var/lib/mlocate/mlocate.db Note: If this file is deleted, locate will not work. The database must be manually updated (updatedb), or the system must be … Read more