This article compiles the top 50 questions frequently encountered in Linux system operation and maintenance interviews. Whether you are a beginner entering the IT industry or an experienced operations personnel aiming for promotion, these questions will provide you with comprehensive knowledge review and practical simulation, helping you stand out in interviews, successfully secure your desired … Read more
1. less – A Paging Tool to View File Contents Syntax: less filename Description: You can press Enter or Page Up/Page Down to navigate through the pages. To exit when you reach the end of the content, press ‘q’. [root@VM-8-13-centos ~]# less abc hello world hello world abc(END) 2. more – View File Contents by … Read more
1. Introduction to Common Commands There are many commands in the Linux system that can help us accomplish different tasks. Here, we will introduce some commonly used basic commands that can assist us in performing corresponding basic operations. As we continue learning, we will encounter more Linux commands that can help us complete various tasks. … Read more
<span>find</span> command is a powerful tool in Unix and Unix-like systems (such as Linux) used to search for files and directories within a directory tree. It offers various options for complex searches, allowing filtering based on file name, type, time, size, and more. Below is a detailed introduction to the <span>find</span> command, including commonly used … Read more
Linux <span>stat</span> Command <span>stat</span> is a powerful command-line tool in Linux systems used to display detailed information about files or file systems. It provides metadata about files, such as file size, permissions, timestamps, etc., making it an essential tool for system administrators, developers, and advanced users. What is the <span>stat</span> Command? <span>stat</span> is part of … Read more
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