Source: Fresh Date Classroom Original Author: Little Date Jun We use operating systems every day. Windows, Linux, Android, and iOS are all classic operating systems. With them, we can better utilize hardware terminal devices like computers and smartphones. So, what is the essence of an operating system? What functions and features does it have? What … Read more
Utilizing Python’s Multiprocessing Module In modern computing, fully leveraging the capabilities of multi-core processors is an important means to enhance program performance. Python provides the <span>multiprocessing</span> module, which allows us to easily create and manage multiple processes. This article will detail the basic usage of the <span>multiprocessing</span> module and help everyone understand its applications through … Read more
Disclaimer:The user is responsible for any direct or indirect consequences and losses caused by the dissemination and use of the information provided by this public account. The public account and the author do not bear any responsibility for this, and any consequences must be borne by the user! 01 Core Architecture of the Server In … Read more
Recently, while debugging a user-space program, I suddenly wanted to understand the relationship between a certain process and several child processes, similar to the output below: ruok@ruok-vm:~$ ps aux | grep smbdroot 1359 0.0 0.2 356712 20596 ? Ss 16:48 0:00 /usr/sbin/smbd –foreground –no-process-grouproot 1361 0.0 0.0 344968 6036 ? S 16:48 0:00 /usr/sbin/smbd –foreground … Read more
Tip: This article shares the basic commands of the Linux system, providing a detailed explanation of the top command, including its functions, format, common options, interactive commands, and examples of the top command. 1. Overview of the top Command 1. Function ❝ The top command: displays active processes in real-time, showing the resource usage of … Read more
1. View Tomcat process information ps -ef | grep tomcat Explanation: ps -ef lists detailed information about all processes, and grep ‘[c]atalina’ filters the lines containing ‘catalina’ (cleverly excluding the grep process itself). The output includes: process user, PID, startup command, and other key information. 2. Restart Tomcat # Navigate to Tomcat’s bin directorycd /path/to/tomcat/bin/# … Read more
Those who follow me are the kindest! Only speaking for the people, using the pen to clarify the situation and measure the warmth of the world. Did you know? If you want to explore the secrets of Linux systems, here is a treasure trove of practical commands! From basic system information to hardware, disk, processes, … Read more
Implementing Multiprocessing in C: Process Creation and Management In modern operating systems, multiprocessing is a common technique that allows programs to execute multiple tasks simultaneously. The C language provides robust support for implementing multiprocessing, primarily through the <span>fork()</span> system call to create new processes. This article will detail how to implement multiprocessing in C, including … Read more
In Linux systems, understanding the relationship between files and processes is a very important task. The fuser command allows you to see which processes are using a specific file, directory, or filesystem. Today, let’s learn about this super useful command—fuser.1. What is the fuser Command?The fuser command is used to display which processes are using … Read more
The Secret to a 20% Increase in Production Capacity—Practical Design of Siemens PLC Cleaning Agent Production Control System The intelligent liquid mixing system for cleaning agents achieves high-precision automation control through Siemens PLC, increasing production capacity by 20% and reducing raw material waste by 15%, suitable for various detergent production lines. 1. Hardware Configuration PLC … Read more