Follow me by clicking the card above Set a star to learn more skills Hello everyone, today I would like to share a powerful Python library – psutil. GitHub link: https://github.com/giampaolo/psutil psutil (Process and System Utilities) is one of the most powerful system monitoring and process management libraries in Python. It provides a cross-platform interface … Read more
1. Why Diagnose in 60 Seconds? Scenario: Woken up by an alarm in the middle of the night, the boss is demanding answers, and users are complaining that the website is down. Goal: Identify in the shortest time (60 seconds) which hardware resource (CPU/memory/disk/network) is causing the issue, and then immediately **”stem the bleeding”**. Principles: … Read more
Core Idea: The Power of Command Combinations The philosophy of Linux is that a program should do one thing and do it well. Combining multiple commands through pipes <span>|</span>, redirection <span>></span>, and logical operators <span>&&</span> and <span>||</span> is key to solving complex problems. 1. System Status and Monitoring Real-time Monitoring of Core Metrics (Top Integrated … Read more
Lost in Linux event logs? This guide helps you decode, filter, and troubleshoot like a pro—no more despairing at endless logs! Hello Gophers, I am gogogo, welcome to follow me. If your Linux system is acting up and you don’t know why, the logs can tell you where the problem lies. This guide covers the … Read more
In daily life, do you often listen to music while editing documents, occasionally switching to a browser for information? In the world of computers, the Linux system also performs similar “multitasking” operations, and at the heart of it all is the crucial role of the “process.” A process, simply put, is an instance of a … Read more
This article is an original work by Teacher Liu from Yunbei Education. Please respect intellectual property rights. When forwarding, please indicate the source. No plagiarism, adaptation, or unauthorized reproduction is allowed. In the Linux system, the top command is an important tool for monitoring system resources and process status. In the interactive interface of top, … Read more
<span>top</span> is a commonly used command-line tool in Linux systems for dynamically monitoring system resource usage in real-time. It displays the resource usage of various processes in the system (such as CPU and memory usage) and provides some interactive operation features. 📌 Basic Syntax top After running, you will see an interface similar to the … Read more
1. File and Directory Operations 1. Basic File Operations ls -alh # List all files in detail (including hidden files) cd ~/projects # Change directory pwd # Display current path mkdir -p dir1/dir2 # Recursively create directories touch file.txt # Create an empty file or update the file timestamp cp -r src dest # Recursively … Read more
Introduction Although most of my work is related to Java development, I interact with the Linux system daily, especially after using a Mac, where I work in a command-line environment with a black background. My memory isn’t great, and I often forget many useful Linux commands, so I am gradually summarizing them for future reference. … Read more
Source: Internet When optimizing a Linux system, physical memory is one of the most important aspects. Naturally, Linux provides many methods to monitor the usage of this precious memory resource. The following list details various methods to check memory usage in a Linux system through viewing tools or command line. 1. /proc/meminfo The simplest way … Read more