In Linux system administration, the Principle of Least Privilege (PoLP) is one of the core principles of secure operations. Directly using the <span>root</span> user for operations carries high risks; it is recommended to create an administrator user with <span>sudo</span> privileges (such as <span>admin</span>) to reduce the impact of accidental operations and security threats. This article … Read more
Script HomeSet as “Starred⭐” to receive article updates promptlySource: Haodao Linux (ID: hao_tiyu)Today, I bring you 45 efficient Linux command combinations. By utilizing these commands effectively, you will find that they can solve 99% of daily operational tasks.The following related efficient commands are listed without any particular order, focusing more on providing a better user … Read more
Linux Server System Information # Display basic system information uname -a # View kernel version uname -r # Display information about the distribution – detailed information about the operating system lsb_release -a # Linux version cat /etc/issue cat /etc/os-release more /etc/redhat-release hostnamectl cat /proc/version # CPU information cat /proc/cpuinfo more /proc/cpuinfo | grep "model name" … Read more
🌟 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
Introduction Mastering system monitoring commands is a fundamental skill for Linux operation and maintenance. This note aims to organize and summarize commonly used monitoring commands along with their core functions and practical scenarios, facilitating quick review and learning to enhance system management and troubleshooting efficiency. 1. Comprehensive Performance Monitoring (CPU, Memory, Load) 1.<span>top</span> •Core Function: … Read more
Linux<span>pidof</span> Command 1. Overview In a Linux system, a process is an instance of a program that is currently running. Each process has a unique Process ID (PID). When performing system administration, performance debugging, resource control, and security protection, it is often necessary to know the PID corresponding to a specific program.<span>pidof</span> is a command … Read more
1. Common Linux Commands and Their Meanings pwd: print work directory, prints the current directory and displays the absolute path of the current working directory. ps: process status, similar to the Windows Task Manager, commonly used parameters -auxf, ps -auxf are used to display process status. df: disk free, displays information about available disk space … Read more
1. General Scenario: Known Regular User Password Applicable Scenario: When a regular user account with sudo privileges is available 1. Open Terminal<span><span>Ctrl+Alt+T</span></span> to quickly launch the terminal, or search for “Terminal” in the application menu.2. Execute Password Change Command sudo passwd root 3. Authentication Process First, enter the current regular user password (for sudo permission … Read more
📂 Linux Subdirectory <strong><span>/usr</span></strong> Directory Detailed Explanation 📌 I. Overview <span><span>/usr</span></span> is one of the most important directories in the Linux file system, which stands for “Unix System Resources”. It is used to store user programs, system tools, library files, documentation, shared resources, etc.. Originally designed as a read-only directory, it can be shared across … Read more
Click the "Linux Tech Enthusiast" above and select "Set as Star" to receive high-quality articles promptly. ☞【Insight】ChatGPT 4.0 is unlocked, no limit on questions!!! ☞【Insight】Tsinghua University senior's self-study Linux notes, top-level quality! ☞【Insight】Comprehensive guide to commonly used Linux commands, all in one article. ☞【Insight】Collection! Linux basic to advanced learning roadmap. Link: https://www.cnblogs.com/xiaoyaozhe/p/17671275.html Log Management Objectives … Read more