Setting Up a Private Certificate Authority at Home
Tired of browser warnings on your homelab services? Learn how to set up your own Certificate Authority to issue trusted SSL certificates for internal services.
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Manage Your Own VPN - A Penny-Pincher's Guide
Ditch the VPN subscription and start living like a digital nomad - minus the Instagram-worthy coffee shop vibes. Just grab a pay-as-you-go cloud VPN and wing it (your wallet will thank you)!
Open Banking 101
Open Banking sounds technical, but it's really about one simple idea: your money data belongs to you, not the bank. And that simple idea changed everything.
Passkeys - Your Gateway to Seamless Security
Can we say goodbye to those ugly, long strings of symbol-mixed passwords? Yes! Let's welcome Passkeys, our sleek and sexy cybersecurity solution.
Everything as Code - A Trend or a Necessity?
From infrastructure to AI models, explore how the "as code" paradigm is transforming software development. Discover maturity assessments and best practices across 10+ domains.
Troubleshooting Terraform
Master Terraform debugging with trace logs, parallelism control, and dependency analysis to solve infrastructure code issues efficiently.
GitOps on Jenkins Pipelines
It's 3 AM and deployment failed? Just git revert and redeploy! Learn how to manage Jenkins pipelines as code using seeder scripts, with state management patterns and security best practices.
My Best CoPilot Alternative - Running LLM on Local Machine
Run Code Llama locally with a $200 used GPU. Keep your data private, get 100k tokens (vs CoPilot's 1500), and pay zero monthly fees. Setup guide with ollama + VS Code included.
Keymap of My Split Keyboard
How does a 36-key split keyboard boost productivity? Discover the ergonomic design with QGMLWY layout, thumb-activated layers, and one-handed navigation.
Understanding Database Types: A Comprehensive Guide
From relational to graph databases - explore the diverse world of data storage systems and learn which database type fits your application's needs.
Certificate Transparency: The Public Ledger Securing HTTPS
Discover how Certificate Transparency acts as a public watchdog for HTTPS certificates, preventing fraudulent certificates and making the web safer for everyone through transparent, append-only logs.
Using ChatGPT to Draw Sequence Diagram
Generate professional sequence diagrams effortlessly with ChatGPT and Mermaid, transforming complex system interactions into clear visual documentation.
3D Printed Switch Blocker Cherry MX
Tired of accidental key presses? Create your own 3D printed switch blockers for Cherry MX keyboards. Get 40 for $10 from Taobao, or print your own from this free Tinkercad model!
Handling invalid index on empty tuple from list in Terraform
Hit empty tuple errors with feature toggles? Master four solutions: try(), conditional expressions, splat expressions, and for loops to handle empty tuples in Terraform gracefully.
New Unlocked Job Roles for AI - Prompt Engineers!
AI isn't replacing jobsāit's creating new ones! Discover emerging roles like Graphics Prompt Engineers and Legal Prompt Engineers. Learn how to become one and what's next.
Pair Programming with ChatGPT - A Developer's Dream Come True
ChatGPT isn't replacing developersāit's the perfect pair programming partner! Learn the magic question "can you propose better coding?" for meaningful code reviews and refactoring.
Understanding Logs: The Silent Guardians of Your Systems
From application logs to SIEM - discover how different types of logs work together to keep your systems secure, performant, and compliant. Learn when to use each type and how they form a complete observability strategy.
Near Real-Time Database Analytics: Architectural Patterns and Implementation
Explore four architectural patterns for near real-time analytics: Lambda, Kappa, Event-Driven Microservices, and Medallion. Learn when to use each approach and how to implement them effectively.
Should Databases Allow Direct Application Connections in Enterprise?
Multiple applications connecting directly to your databaseāconvenient or catastrophic? Explore why enterprise architects debate this fundamental design decision.
Using custom validation to validate other variables in Terraform
Learn how to use custom validation blocks in Terraform to validate relationships between multiple variables. Ensure your infrastructure configs meet complex requirements. Generated by ChatGPT.
Home Assistant Sensor for Hong Kong Observatory
Integrate real-time Hong Kong Observatory weather data into Home Assistant. Monitor temperature, humidity, and wind speed for your local area with ready-to-use sensor configs.
Shift-Right After Shift-Left: The Complete DevOps Picture
Shift-left moved testing earlier in development. But what comes next? Discover shift-right practices that complete the DevOps cycle with production monitoring, chaos engineering, and continuous learning.
Git Merge vs Rebase: Choosing the Right Integration Strategy
Understand the fundamental differences between git merge and git rebase, learn when to use each approach, and master the techniques that keep your Git history clean and meaningful.
Semantic Versioning - A Complete Guide to Version Management
Master semantic versioning to communicate changes clearly and manage dependencies reliably. Learn the MAJOR.MINOR.PATCH format, pre-release identifiers, and how to implement SemVer in your development workflow.