Welcome to Linux Cloud Computing Practice. We offer high-quality articles on Linux, cloud computing, DevOps, networking and related topics. Dive in and start your Linux cloud computing journey!
This comprehensive guide walks web developers and system operators through Nginx fundamentals, history, core and advanced configurations, rewrite rules, reverse proxy setup, performance tuning, and a practical LNMP WordPress deployment, providing theory and hands‑on examples for deep mastery.
This article walks through why browsers block cross‑origin requests, explains the four CORS response headers, demonstrates how to test preflight requests, and provides multiple Nginx configuration examples—including handling OPTIONS, custom headers, and method restrictions—to reliably resolve CORS issues.
Starting as a struggling ops engineer fixing hardware and wiring, you can follow a structured three‑stage Linux operations career path—junior, intermediate, senior—outlined with detailed skill milestones and resources, helping you transform basic tasks into advanced cloud‑computing expertise.
This article compiles 174 essential interview questions for operations engineers, covering Linux fundamentals, container orchestration, networking, high‑availability, databases, security, and cloud‑native concepts, helping candidates prepare thoroughly for technical assessments.
This article walks you through configuring a Linux DNS server with BIND, covering DNS fundamentals, server setup, named.conf options, forward and reverse zone definitions, record creation, client testing, and troubleshooting tips, all illustrated with code snippets and screenshots.
This article examines a recurring Kubernetes issue where a node becomes NotReady for exactly three minutes after a kubelet restart, explains the underlying PLEG and node‑status mechanisms, and offers a free, in‑depth Kubernetes handbook for further study.
This article explains why Nginx has overtaken Apache to become the leading web server, covering its performance‑focused design, high stability, master‑worker architecture, core configuration, location directives, access control, reverse‑proxy features, and real‑world deployment examples from major Chinese internet companies.
This article introduces Zabbix as a powerful open‑source monitoring solution, outlines its 7.0 features, architecture, installation and configuration steps, highlights recent enhancements, and explains how to obtain a free 2000‑page Chinese manual via QR code.
This guide explains how to optimize Nginx by configuring worker processes, CPU affinity, file descriptor limits, event handling, efficient file transfer, connection timeouts, FastCGI, gzip compression, caching, anti‑hotlinking, kernel parameters and system limits for high‑traffic web services.
This article provides a comprehensive overview of Ceph distributed storage, covering storage fundamentals, Ceph architecture, advantages, version lifecycle, and step‑by‑step deployment using ceph‑deploy, including environment preparation, monitor and OSD setup, manager configuration, and dashboard activation.
