ITNotes - Page 17 of 142 - From Terminal to Cloud

Production ZFS on Linux: Build Resilient Pools, Tune Datasets, and Automate Snapshots and Scrubs

October 1, 2026

Learn how to deploy OpenZFS on Linux to eliminate silent bit rot. This practical guide covers creating 4K-aligned mirror pools, tuning dataset record sizes for MySQL and PostgreSQL, managing instant snapshots, and automating scrubs.

Programming

Building Conflict-free Replicated Data Types (CRDT) from Scratch in Python

September 30, 2026

Building real-time collaborative editing requires solving state conflicts without centralized locking mechanisms. Here is an architectural breakdown and Python implementation of Conflict-free Replicated Data Types (CRDT), based on 6 months of production learnings.

Programming

Abstract Syntax Tree (AST) in Python and TypeScript: Build Custom Linters and Code Transformers

September 30, 2026

Stop relying on fragile regex patterns in CI. Learn how to parse, transform, and generate code with Abstract Syntax Trees (AST) in Python and TypeScript to build custom linters and automated codemods.

DevOps

Deploying Zot Registry on Docker: Lightweight OCI-Native Registry for On-Premise and Air-Gapped Setups

September 30, 2026

Looking for a fast, low-memory alternative to Harbor for edge nodes or air-gapped clusters? Zot runs as a single binary container, handles Docker images and Helm 3 OCI charts natively, and uses under 60 MB of RAM. Here is how to deploy it with Docker Compose.

DevOps

Deploying Grafana Faro on Docker: End-to-End Frontend RUM and Error Tracking

September 30, 2026

Connect client-side browser performance with your backend infrastructure using Grafana Faro on Docker. Monitor Core Web Vitals, debug JavaScript exceptions, and link frontend traces directly to Loki and Tempo.

Programming

Implementing Probabilistic Data Structures in Python: Scale to Billions of Elements with Minimal Memory

September 30, 2026

Discover how Bloom Filters, HyperLogLog, and Count-Min Sketch let Python services process billion-scale datasets using megabytes instead of gigabytes of RAM.

DevOps

Optimizing Kubernetes Inner Loop Development with Garden.io: Fast Builds, Tests, and Smart Remote Caching

September 30, 2026

Tired of 10-minute Kubernetes build loops? Discover how Garden.io uses DAG-based builds, in-cluster testing, and cryptographic remote caching to speed up microservice development.

HomeLab

Proxmox 2-Node High Availability: Using a Raspberry Pi as a Quorum Device

September 23, 2026

Turn your 2-node Proxmox lab into a resilient HA cluster. Use a Raspberry Pi as a QDevice to prevent split-brain issues and keep your VMs running during a failure.

HomeLab

Ditch Docker Compose: Managing HomeLab Containers with Podman Quadlets

September 23, 2026

Transition from Docker Compose to Podman Quadlets to manage your HomeLab containers as native Systemd units. Learn how to improve security with rootless containers and simplify service management.

HomeLab

Ditch the Ads: Self-Host a Private YouTube Frontend with Invidious and Docker

September 23, 2026

Tired of YouTube ads and tracking? Learn how to deploy Invidious on Docker to create a private, lightweight, and ad-free frontend for your HomeLab.

Mitigate DDoS with BGP Flowspec and ExaBGP on Linux: Automated Routing-Level Packet Filtering

Deploy Harbor on Docker: Self-Host a Secure Private Container Registry with Trivy and Image Signing for Your HomeLab

Building a Production-Ready Text-to-SQL Engine with Vanna.ai and Python

Deploy CrowdSec on Linux: Building a Distributed IPS to Block Brute Force and Web Attacks

Route-Based IPsec VPN with strongSwan and VTI on Linux: Secure Cloud-to-On-Premises Connectivity

Automate Kubernetes Troubleshooting with K8sGPT and Local Ollama

Mastering Outlines in Python: Guaranteed Structured LLM Output with Regex and CFGs

Mastering Cursor Rules and Context Mentions: Standardize Architecture Across Your Dev Team

Deploying HashiCorp Vault on Kubernetes: Dynamic Secrets and Sidecar Injector Guide

Deploying WPA3-Enterprise with FreeRADIUS and EAP-TLS: Mutual PKI Authentication Guide

Production ZFS on Linux: Build Resilient Pools, Tune Datasets, and Automate Snapshots and Scrubs

Building Conflict-free Replicated Data Types (CRDT) from Scratch in Python

Abstract Syntax Tree (AST) in Python and TypeScript: Build Custom Linters and Code Transformers

Deploying Zot Registry on Docker: Lightweight OCI-Native Registry for On-Premise and Air-Gapped Setups

Deploying Grafana Faro on Docker: End-to-End Frontend RUM and Error Tracking

Implementing Probabilistic Data Structures in Python: Scale to Billions of Elements with Minimal Memory

Optimizing Kubernetes Inner Loop Development with Garden.io: Fast Builds, Tests, and Smart Remote Caching

Proxmox 2-Node High Availability: Using a Raspberry Pi as a Quorum Device

Ditch Docker Compose: Managing HomeLab Containers with Podman Quadlets

Ditch the Ads: Self-Host a Private YouTube Frontend with Invidious and Docker