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Liangxu Linux
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Liangxu Linux

Liangxu, a self‑taught IT professional now working as a Linux development engineer at a Fortune 500 multinational, shares extensive Linux knowledge—fundamentals, applications, tools, plus Git, databases, Raspberry Pi, etc. (Reply “Linux” to receive essential resources.)

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Recent Articles

Latest from Liangxu Linux

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Liangxu Linux
Liangxu Linux
Nov 11, 2025 · Fundamentals

How to Classify C Functions for Cleaner Code and Better Optimization

This article explains three practical categories for C functions—pure functions with no side effects, functions that read external state without modifying it, and functions that both read and depend on external variables—showing how the classification aids memoization, re‑entrancy reasoning, and inline‑function usage.

C ProgrammingPure Functionsfunction classification
0 likes · 5 min read
How to Classify C Functions for Cleaner Code and Better Optimization
Liangxu Linux
Liangxu Linux
Nov 9, 2025 · Operations

Mastering Shell Scripting: Parallelism, Error Handling, and Cloud‑Native Automation

This article shares practical Shell scripting techniques—from parallel processing and pipeline optimization that cut a 3‑hour log analysis down to 20 minutes, to robust error handling, performance tweaks, Kubernetes automation, AI‑assisted diagnostics, and best‑practice checklists—empowering ops engineers to write faster, safer, and more maintainable scripts.

0 likes · 12 min read
Mastering Shell Scripting: Parallelism, Error Handling, and Cloud‑Native Automation
Liangxu Linux
Liangxu Linux
Nov 9, 2025 · Operations

Why Do You Still Need to Compile Linux Software? Uncovering the Underlying Logic

This article explains why many Linux applications require manual compilation, compares various installation methods—including package managers, source builds, binary packages, universal formats, and containers—and offers practical guidance on choosing the right approach for different scenarios.

AppImageLinuxSoftware Installation
0 likes · 12 min read
Why Do You Still Need to Compile Linux Software? Uncovering the Underlying Logic
Liangxu Linux
Liangxu Linux
Nov 9, 2025 · Fundamentals

How Linux Kernel Evolved from a Hobby to the Backbone of Modern Computing

The Linux kernel began in 1991 as a 21‑year‑old student's hobby, progressed through early releases like 0.01, 0.02, 0.11 and 0.12, gained a collaborative community, added critical features such as disk paging and job control, and today powers servers, cloud infrastructure, supercomputers, embedded devices and Android.

Kernel HistoryLinuxOpen Source
0 likes · 5 min read
How Linux Kernel Evolved from a Hobby to the Backbone of Modern Computing
Liangxu Linux
Liangxu Linux
Nov 8, 2025 · Operations

Linux Compression Mastery: tar, gzip, zip Deep Dive with Real‑World Scripts

This comprehensive guide explains Linux compression and archiving tools—including tar, gzip, and zip—covers their algorithms, performance trade‑offs, practical command examples, real‑world backup scenarios, optimization techniques, monitoring, security, and automation, helping engineers efficiently manage data across diverse environments.

LinuxShellcompression
0 likes · 35 min read
Linux Compression Mastery: tar, gzip, zip Deep Dive with Real‑World Scripts
Liangxu Linux
Liangxu Linux
Nov 8, 2025 · Operations

Boost Your Ops Efficiency: 30 Essential Vim Shortcuts Every Engineer Should Master

This comprehensive guide explains why Vim is a must‑have tool for modern operations engineers, introduces its three core modes, details 30 high‑impact shortcuts with real‑world examples such as Nginx configuration tuning, log file analysis, and bulk parameter updates, and provides advanced techniques, performance tweaks, plugin recommendations, and a skill‑development roadmap to dramatically accelerate daily text‑editing tasks.

Configuration ManagementLinuxOperations
0 likes · 21 min read
Boost Your Ops Efficiency: 30 Essential Vim Shortcuts Every Engineer Should Master
Liangxu Linux
Liangxu Linux
Nov 6, 2025 · Operations

Top 6 Free Open‑Source Network Monitoring Tools You Should Know

This article introduces six free open‑source network monitoring solutions—Zabbix, Prometheus, Cacti, Grafana, OpenNMS, and Nagios—explaining their key features, how they collect and visualize metrics, and why they are valuable for maintaining system stability and security.

GrafanaNagiosNetwork Monitoring
0 likes · 5 min read
Top 6 Free Open‑Source Network Monitoring Tools You Should Know
Liangxu Linux
Liangxu Linux
Nov 6, 2025 · Artificial Intelligence

8 Must‑Explore Open‑Source Projects: AI Prompt Tools, Voice Transcription, Browser Engine & More

This article introduces eight noteworthy open‑source projects—including an interactive prompt‑engineering tutorial, Claude Cookbooks, an offline speech‑to‑text tool, an eBook‑to‑audiobook converter, the Servo browser engine, a free programming‑books collection, a real‑time object‑detection model, and other popular repositories—each with brief descriptions and GitHub links.

AI toolsGitHubbrowser engine
0 likes · 7 min read
8 Must‑Explore Open‑Source Projects: AI Prompt Tools, Voice Transcription, Browser Engine & More