Posted inFedora
Seamlessly Replacing Fedora Packages with dnf swap and dnf shell
Learn how to use dnf swap and dnf shell to replace packages, switch from MariaDB to MySQL, or install full FFmpeg on Fedora without dependency conflicts.
Posted inDatabase
PostgreSQL Full-Text Search: High-Performance Vietnamese Search Without Elasticsearch
Don't rush to install Elasticsearch! A detailed guide on building high-speed, accurate Vietnamese search directly in PostgreSQL using only tsvector and GIN Index.
Posted inLinux
Mastering chroot on Linux: From Sandbox Isolation to Real-World System Rescue
Discover how to use chroot for application isolation and Linux boot rescue. A practical guide to mastering your system without the need for complex Docker or VM setups.
Posted inSecurity
Hunting Security Vulnerabilities with Semgrep: Fast, Accurate, and Extremely Easy Rule Writing
Learn how to use Semgrep for automated source code analysis, quickly detect security vulnerabilities, and effectively integrate into CI/CD workflows for developers.
Posted inPython
Python Loguru Tutorial: Modern Logging Without the Boilerplate Code
Forget the complex standard logging module. Loguru is the modern logging solution for Python. Learn to configure colorful logs, auto-rotate files, and debug fast with @logger.catch.
Posted inDevelopment
Zod: The Ultimate Runtime Error Safeguard for TypeScript Projects
TypeScript alone isn't enough. Learn how to use Zod for runtime data validation, automatic Type and Schema synchronization, and making your apps safer against unexpected data errors.
Posted inVMware
Fixing the ‘The virtual machine is in use’ Error: How to Handle .lck Files to Rescue VMware VMs
Is your VMware VM showing 'The virtual machine is in use' and causing stress? Check out this guide on safely deleting .lck files to unlock your VM on Workstation and ESXi.
Posted inDocker
Rust + Docker: Slash Build Times from 10 Minutes to 30 Seconds with Cargo Chef
Taking 10 minutes to build a Rust container? Try Cargo Chef. Optimize Layer Caching to reduce compilation time to just seconds for real-world projects.
Posted inVMware
Mastering VMware Content Library: A Unified Solution for ISOs and VM Templates
Stop letting ISOs and VM templates scatter across ESXi hosts. This guide shows how to set up VMware Content Library for centralized management and optimized deployment.
Posted inDocker
Dockerize Next.js Standalone: Shrinking Images from 1.2GB to 120MB
Dockerizing Next.js with Standalone mode helps reduce image size from 1.2GB to 120MB. Here is a detailed guide on configuration and writing an optimized Dockerfile for Production.