ITNotes - Page 12 of 142 - From Terminal to Cloud

PostgreSQL Database Security in Production: SSL Encryption, pg_hba.conf, and pgAudit

October 7, 2026

Learn how to secure a production PostgreSQL database from the ground up. This guide covers enforcing TLS 1.3 encryption, locking down client authentication with pg_hba.conf, and auditing critical queries with pgAudit.

How to Deploy Tabby on Docker: Self-Hosted AI Code Completion for Your Dev Team

October 6, 2026

Self-host an AI code completion engine using Tabby and Docker. Keep all source code inside your infrastructure while providing low-latency, Copilot-style autocompletion.

Database

Getting Started with Neo4j and Cypher: Modeling and Querying Complex Relationships

October 6, 2026

Tired of slow multi-table SQL joins? Learn how to run Neo4j with Docker, model complex graphs, and write Cypher queries for fast relationship traversals.

HomeLab

Automating ZFS Snapshots and Backups with Sanoid and Syncoid in Your HomeLab

October 6, 2026

Build an automated ZFS snapshot and replication pipeline for your HomeLab using Sanoid and Syncoid. Learn how to configure retention policies, run incremental network backups, and test fast restores.

Security

Kubernetes Security Policies with Kyverno: Enforcing Admission Control in Production

October 6, 2026

Learn how to enforce Kubernetes admission control policies using Kyverno. This production guide covers blocking privileged containers, mutating specs, and auditing workloads with native YAML.

Networking

Configure Avahi Daemon as an mDNS Reflector on Linux: Cross-VLAN Discovery for AirPlay, Chromecast, and Printers

October 6, 2026

Learn how to configure Avahi Daemon as an mDNS reflector on Linux to enable cross-VLAN discovery for AirPlay, Chromecast, and printers. Troubleshoot multicast boundaries, firewall rules, and unicast stream routing.

Building AI Security with NeMo Guardrails: Stop Prompt Injection and Protect Sensitive Data

October 6, 2026

Secure your LLM applications against prompt injections, unauthorized topic deviations, and sensitive data leaks with NVIDIA NeMo Guardrails. This guide walks through Colang policies, Python runtime integration, and audit logging.

Programming

Mastering WebAssembly with Rust and wasm-pack: High-Performance TypeScript Integration

October 6, 2026

Learn how to accelerate heavy web algorithms using Rust and WebAssembly with wasm-pack. This production guide covers linear memory management, zero-copy pointer architectures, Web Workers, and TypeScript integration.

Database

Change Data Capture with Debezium and Apache Kafka: Streaming PostgreSQL Changes in Real Time

October 6, 2026

Dual-writing and scheduled database polling cause data drift and disk I/O spikes. Learn how to implement reliable, real-time Change Data Capture (CDC) from PostgreSQL to Kafka with Debezium.

HomeLab

Deploy AdGuard Home with Unbound on Docker: Build a Recursive DNS Resolver and Ad Blocker for HomeLab

October 6, 2026

Deploy an all-in-one privacy-first DNS setup combining AdGuard Home and Unbound in Docker. Learn how to construct a network-wide ad blocker backed by a private recursive DNS resolver.

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

PostgreSQL Database Security in Production: SSL Encryption, pg_hba.conf, and pgAudit

How to Deploy Tabby on Docker: Self-Hosted AI Code Completion for Your Dev Team

Getting Started with Neo4j and Cypher: Modeling and Querying Complex Relationships

Automating ZFS Snapshots and Backups with Sanoid and Syncoid in Your HomeLab

Configure Avahi Daemon as an mDNS Reflector on Linux: Cross-VLAN Discovery for AirPlay, Chromecast, and Printers

Building AI Security with NeMo Guardrails: Stop Prompt Injection and Protect Sensitive Data

Mastering WebAssembly with Rust and wasm-pack: High-Performance TypeScript Integration

Change Data Capture with Debezium and Apache Kafka: Streaming PostgreSQL Changes in Real Time

Deploy AdGuard Home with Unbound on Docker: Build a Recursive DNS Resolver and Ad Blocker for HomeLab