Posted inNetwork
Linux Security: Implementing DoH and DoT to ‘Stay Hidden’ from ISPs
Don't let ISPs know what you're accessing. A detailed guide on encrypting DNS with DoT and DoH on Linux for total privacy protection.
Posted inPython
Regex for Beginners: Deciphering the “Code” and Processing Data in 5 Minutes
Master Regex in Python for lightning-fast data processing. A detailed guide from basic syntax to data extraction techniques using real-world examples.
Posted inSecurity
Building an Internal Certificate Authority with step-ca: Say Goodbye to LAN Security Warnings
Say goodbye to red security warnings in your LAN. A detailed guide on building an internal Certificate Authority (CA) with step-ca and automating SSL via ACME.
Posted inMySQL
MySQL 8 Window Functions: The Ultimate Lifesaver for Complex Reporting Queries
MySQL 8 Window Functions are powerful tools for efficient running totals, rankings, and data comparisons, replacing complex and heavy SELF JOIN queries.
Posted inDatabase
Apache Cassandra: Master the “Write-Heavy Storm” for Large-Scale Systems
Master Apache Cassandra for massive write-heavy systems. This article shares query-driven data modeling strategies and performance optimization tips from real-world experience.
Posted inDocker
Running GitHub Actions Locally with act: ‘Lightning Fast’ Pipeline Debugging Without Pushing Code
Tired of constant 'fix ci' commits? Learn how to use act and Docker to debug GitHub Actions locally, saving time and keeping your Git history clean.
Posted inPython
SQLAlchemy ORM: The ‘Gold Standard’ Database Management Solution for Pythonistas
Say goodbye to messy manual SQL queries. This A-Z SQLAlchemy ORM guide helps you manage databases in Python professionally, securely, and efficiently for DevOps.
Posted inDevelopment
Introduction to Kubernetes: Deploy Your First App in Just 5 Minutes of Tinkering
Learn how to deploy your first application on Kubernetes in 5 minutes. This article breaks down Pod, Deployment, and Service concepts while sharing real-world tips for stable system operations.
Posted inFedora
Optimizing zRAM on Fedora: How to ‘Expand’ Your RAM for a Smooth, Lag-Free Experience
Is Fedora lagging with too many tabs open? Discover how to optimize zRAM using zram-generator and zstd to expand your memory and boost system smoothness by over 30%.
Posted inDocker
Docker Resource Limits: Don’t Let One Container Crash Your Entire Server
Configuring Docker Resource Limits is a must for professional DevOps. Learn how to limit CPU, RAM, and Disk I/O to prevent server hangs and optimize infrastructure costs.