An operations lab passionate about server tinkering 🔬 Sharing automation scripts, high-availability architecture, alert optimization, and incident reviews. Using technology to reduce overtime and experience to avoid major pitfalls. Follow me for easier, more reliable operations!
This article explains the fundamental differences between Nginx and OpenResty, compares their features, performance, and programming models, and provides practical guidance on selecting the right tool for static serving, reverse‑proxying, or complex business‑logic workloads.
This guide walks you through installing tcpdump on Linux, explains its basic syntax and essential options, demonstrates precise filtering expressions, shares real‑world troubleshooting cases, addresses common pitfalls, and offers best‑practice tips for efficient network packet capture and analysis.
This guide explains Alibaba Cloud ESA's free CDN tier, covering its generous unlimited‑traffic offering, step‑by‑step application, region‑selection modes, domain integration, special port and cache configurations, renewal tricks, performance benchmarks, and comparisons with competing services.
The article shares a seasoned DBA’s firsthand comparison of MySQL and PostgreSQL, covering their histories, performance quirks, real‑world case studies, lock mechanisms, backup strategies, and practical selection guidelines to help developers decide which database best fits their workload.
This article introduces the open‑source Nginx UI tool, explains its key features such as real‑time metrics, automatic backups, cluster management, and AI assistance, and provides step‑by‑step installation guides for Linux scripts and Docker‑Compose, plus a full reverse‑proxy configuration example.
This guide explains how SSH evolved from simple remote login to a comprehensive tool for secure server access, efficient command execution, password‑less authentication, advanced configuration, port forwarding for deep‑learning tasks, large‑file transfer strategies, and enterprise‑grade hardening, empowering developers and ops engineers to build reliable, reproducible workflows.
This guide reveals why critical services often fail to start after a server reboot, presents essential systemd unit file parameters, provides ready‑to‑copy configurations for Nginx, Java, and Flask, outlines a four‑step troubleshooting workflow, and introduces a lightweight chaos‑engineering playbook to verify auto‑start resilience.
This guide walks you through the reasons for a self‑hosted short‑URL system, the required environment, and step‑by‑step deployment using Docker containers or a standalone binary, plus Nginx reverse‑proxy configuration for production stability and security.
Learn how to quickly set up a high‑performance, easy‑to‑deploy object storage solution by combining RustFS with Docker, covering prerequisites, Docker commands, optional Docker‑Compose configuration, Nginx reverse‑proxy setup, security hardening, testing, and production‑grade recommendations for backend developers and ops teams.
This article walks through a real‑world 502 outage, explains why the error is rarely a simple gateway failure, shows how to use enhanced Nginx upstream logs and automated scripts to pinpoint timeouts, misconfigurations, and database bottlenecks, and provides concrete tuning, monitoring, and self‑healing measures to stop the problem from recurring.
