A Checklist of Key Items to Check Before and After Restarting a Linux System

A Checklist of Key Items to Check Before and After Restarting a Linux System

Here is a professional version of the ✅ “Linux Pre-Restart Checklist” that is very useful in production environments. 1 ✅ Linux Pre-Restart Checklist 1. Current system load and resource usage uptime / top / htop / vmstat Record the current CPU, memory, and Load Average to compare if there is any improvement after the restart. … Read more

Wiring Method for Two-Wire Intercom in IoT (Replacing the Intercom)

Wiring Method for Two-Wire Intercom in IoT (Replacing the Intercom)

This configuration requires the following for three-party calls: main unit, extension, power supply, room phone, and cabin intercom.For five-party calls, the following is required: main unit, extension, power supply, room phone, cabin intercom, and top cabin sub-unit.Bottom cabin sub-unitThe two configuration methods are shown in the images below

SL8X Multitool Project Configuration

SL8X Multitool Project Configuration

Create a project using Multitool 8.2Add an SL8X controller, making sure to select “SL8X1-01” hereThis is not mandatory; I just don’t want to store too many EPEC_CU1 files on my computer.Add a 3724 controller and connect the CAN1 port of the SL8X to the CAN1 port of the 3724 on the same network.In the CAN … Read more

Tutorial for Installing Windows Server 2022 on ESXi Virtualization

Tutorial for Installing Windows Server 2022 on ESXi Virtualization

Tutorial for Installing Windows Server 2022 on ESXi Virtualization ESXi Configuration Create & Register Virtual Machine Fill in Name and Select Operating System Type Select Storage Location Configure CPU, Memory, Storage and Mount ISO Image Install System Power On After powering on, quickly press any key to enter the installation program [it is recommended to … Read more

Default HTTP Request Values in JMeter

Default HTTP Request Values in JMeter

Function Introduction When editing a test plan in JMeter, if there are multiple Sampler requests with the same parameters and settings, such as the protocol, IP address, and port number of the service being requested, configuring each Sampler individually would increase redundancy and workload. Additionally, if the server address changes in the future, it would … Read more

CANopen to DeviceNet Slave – ADFweb Converter – Guangzhou Xinyu IoT

CANopen to DeviceNet Slave - ADFweb Converter - Guangzhou Xinyu IoT

CANopen to DeviceNet Slave — ADFweb Converter – Guangzhou Xinyu IoT Author: Zou Wuyi Mobile185-020-77899 Email: [email protected] 1 Product Features HD67134 – A1 is a CANopen / DeviceNet slave converter. It has the following features: Provides triple isolation between CANopen and power, CANopen and DeviceNet, and power and DeviceNet. Can be mounted on a 35mm … Read more

In-Depth Understanding of FreeRTOS Configuration

In-Depth Understanding of FreeRTOS Configuration

<span>FreeRTOS</span> configuration is implemented through macro definitions to control the behavior of the FreeRTOS kernel, with parameters designed in <span>FreeRTOSConfig.h</span>. Below is a detailed explanation of commonly used configurations. Scheduling Method Whether to enable preemptive scheduling <span>#define configUSE_PREEMPTION 1</span> : Enables preemptive scheduling (<span>preemptive scheduling</span>), allowing higher priority tasks to interrupt lower priority tasks. <span>#define … 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

What Are Some Outdated Designs in Linux/Unix?

What Are Some Outdated Designs in Linux/Unix?

The design philosophy of “everything is a file” is commendable, as it abstracts hardware and processes into files for unified operations. However, this approach becomes less effective in scenarios requiring bidirectional communication, such as network communication, where operating sockets through file read/write operations feels awkward. Windows’ “everything is a handle” is more flexible, as a … Read more

Gunicorn: A Python Library for WSGI HTTP Server!

Gunicorn: A Python Library for WSGI HTTP Server!

▼ Click the card below to follow me ▲ Click the card above to follow me Gunicorn! A powerful tool that makes your Python web applications fly! Today, let’s talk about Gunicorn. It is a WSGI HTTP server, which simply means it helps you run web applications written in Python (like Flask and Django) so … Read more