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Networking tutorial - IT technology blog

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

October 19, 2026

Volumetric DDoS attacks can overwhelm Linux network stacks in seconds. Learn how to combine ExaBGP with BGP Flowspec to automatically push line-rate filtering rules directly into core routing silicon.

HomeLab

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

October 19, 2026

Say goodbye to Docker Hub rate limits. Deploy Project Harbor on Docker Compose with automated Trivy vulnerability scanning and Cosign image signing for your HomeLab.

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

October 19, 2026

Build a reliable Text-to-SQL engine using Vanna.ai and Python. Learn how to index schema DDL, business rules, and golden queries while implementing production security guardrails.

Security

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

October 19, 2026

Tired of isolated log parsers missing distributed brute-force sweeps? Here is how to deploy CrowdSec on Linux to shut down coordinated SSH and web attacks using collaborative, crowd-sourced threat intelligence.

Networking

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

October 19, 2026

Build a route-based IPsec VPN on Linux with strongSwan and VTI. Learn how to configure XFRM marks, automate tunnel interfaces, avoid MTU black holes, and route hybrid cloud subnets without downtime.

Automate Kubernetes Troubleshooting with K8sGPT and Local Ollama

October 19, 2026

Learn how to combine K8sGPT and local Ollama models to build an offline, privacy-focused diagnostic engine for your Kubernetes clusters without sending telemetry to external APIs.

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

October 19, 2026

Frustrated with broken JSON from commercial LLM APIs? Discover how Outlines uses regular expressions and context-free grammars to guarantee valid structured outputs in Python.

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

October 19, 2026

Standardize code architecture across your engineering team with Cursor Rules (.cursorrules, .cursor/rules) and symbol mentions. Eliminate model drift, reduce PR cycles, and enforce clean conventions at scale.

DevOps

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

October 19, 2026

Learn how to deploy HashiCorp Vault on Kubernetes using Helm. This guide walks through configuring Kubernetes authentication, issuing ephemeral PostgreSQL credentials, and injecting secrets using Vault Agent sidecars.

Networking

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

October 19, 2026

Deploy WPA3-Enterprise using FreeRADIUS and mutual EAP-TLS certificate validation. This guide covers PKI certificate generation, RADIUS tuning, and workarounds for common MTU fragmentation and clock drift issues.