Focused on sharing Linux/Unix content, covering fundamentals, system development, network programming, automation/operations, cloud computing, and related professional knowledge.
This article explains how backend engineers can use Nginx as a versatile deployment tool, covering reverse proxy, load balancing, static file serving, rate limiting, HTTPS encryption, and quick installation steps to keep services stable and performant.
Learn how to design, install, configure, secure, monitor, and optimize a production‑grade NFS service—including step‑by‑step server and client setup, advanced permission controls, performance tuning, automated deployment scripts, backup strategies, and real‑world use cases—so you can reduce file‑sync time by up to 80%.
This guide walks you through twenty indispensable Linux commands—covering system monitoring, performance analysis, process management, networking, disk handling, and tuning—explaining their basic and advanced usages, real‑world pitfalls, and how they stay relevant in the cloud‑native era.
This comprehensive guide explains Linux compression and decompression fundamentals, compares tar, gzip, and zip commands, provides detailed syntax, performance benchmarks, practical scripts, automation techniques, monitoring, security considerations, cloud integration, and future trends for reliable data handling in modern operations.
Learn how to fortify Linux servers by mastering firewalld's advanced zone and rich‑rule configurations, leveraging IPSET for large address sets, and managing SELinux contexts and custom policies, with practical scripts, troubleshooting tips, and production‑grade best practices to achieve multi‑layered protection.
This guide explains how Nginx functions as a load balancer and reverse proxy, covering its event‑driven architecture, worker processes, and core mechanisms, and details common balancing algorithms such as round‑robin, least connections, IP hash, weighted round‑robin and weighted least connections with full configuration examples and monitoring commands.
This comprehensive guide walks readers from the fundamental concept of Linux permissions—role and object attributes—to practical commands like chmod, chown, su, and sudo, covering symbolic and octal modes, umask defaults, directory nuances, and best‑practice security measures for system administrators and users alike.
The article summarizes Tencent's announcement and a podcast where the WeChat HarmonyOS team discusses why the app had to be rebuilt from scratch, the technical hurdles of Huawei's fast‑changing OS, and how the teams collaborate to overcome legacy code and platform differences.
This comprehensive guide teaches Linux operations engineers advanced command‑line techniques, powerful one‑liners, and step‑by‑step troubleshooting for common errors, enabling faster issue resolution, higher efficiency, and proactive system maintenance.
A fabricated Google China announcement sparked massive online buzz in August 2025, but official denials revealed it as a rumor, highlighting why expectations for a search comeback clash with regulatory realities and the company's actual enterprise presence in China.
