Q1 2026 saw 34 DeFi protocols compromised for $169 million. We break down the dominant attack vectors — oracle manipulation, reentrancy, access control failures — the AI-powered exploit tools now threatening smart contracts, and what a proper 2026 security stack looks like for protocol developers, LPs, and researchers.
QoS misconfigurations are the number-one cause of jittery voice calls and stuttering video in enterprise networks. This guide walks through a production-ready MQC QoS policy for Cisco IOS and IOS-XE — covering DSCP markings, LLQ, CBWFQ, NBAR2 classification, and the exact show commands you need to verify it’s working.
Turn a Raspberry Pi into a powerful, privacy-first smart home hub with Home Assistant. This step-by-step guide covers installation, initial setup, integrations, automations, and pro tips to get your homelab-grade smart home running in an afternoon.
Stop sending sensitive data to the cloud. This complete guide shows you how to run powerful open-source AI models like Mistral and Llama locally using Ollama — with Docker, a web UI, VS Code integration, and GPU acceleration.
Build your own Netflix — a complete guide to setting up Plex in Docker with hardware transcoding, remote access, and storage planning.
BGP is the glue that holds the internet together — learn how it works, how to configure it on Cisco, and the security challenges it faces.
Tailscale makes VPN dead simple — install it, and your devices just connect. Here’s how to set it up with subnet routing, exit nodes, and SSH.
Jetson Orin Nano vs Raspberry Pi 5 — specs, AI performance benchmarks, power draw, and which board is right for your next project.
Stop configuring servers by hand — a complete Ansible tutorial with practical homelab playbooks for Docker, user management, and container deployment.
SSD, NVMe, or HDD? A practical breakdown of speed, price, and when each type makes sense — with specific drive recommendations for every use case.
Level up your home network security — from pfSense firewalls to WireGuard VPN and Suricata intrusion detection, all explained for beginners.
A deep dive into Cisco’s three operating systems — IOS, IOS-XE, and IOS-XR — their architectures, platforms, CLI differences, and when you’ll encounter each.
