ITNotes - Page 26 of 84 - From Terminal to Cloud

Stop ‘Vibe Checking’ Your Prompts: A Practical Guide to DeepEval

May 11, 2026

Move past manual 'vibe checks' and learn how to automate LLM quality assurance. This guide covers using DeepEval to unit test prompts for faithfulness, relevancy, and hallucinations.

Networking

Linux Network Namespaces: How Container Networking Actually Works

May 11, 2026

Learn how Linux Network Namespaces provide the foundation for Docker and Kubernetes networking. This hands-on guide covers building virtual networks, veth pairs, and bridges from scratch.

Linux

Local Repo Mastery: A Production Guide for Apt and Yum Distribution

May 11, 2026

Tired of sluggish updates? Build a production-ready local Apt and Yum repository to distribute software instantly across your internal Linux fleet.

Programming

Cutting Next.js Bundle Sizes with React Server Components

May 11, 2026

Discover how React Server Components (RSC) can shrink your Next.js bundle sizes and boost performance. A practical guide based on six months of production experience.

Database

Mastering Database Branching with Neon: No More 2 AM Production Disasters

May 10, 2026

Tired of production migrations failing due to 'data gaps'? Discover how Neon's database branching lets you test against real production data in isolated, instant environments.

Networking

Bypass CGNAT: Use Reverse SSH Tunneling to Expose Local Services

May 10, 2026

Tired of CGNAT blocking your home server? Learn how to use a cheap VPS and Reverse SSH Tunneling to bypass ISP restrictions and access your local services from anywhere.

Programming

Mastering the Worker Pool Pattern in Go: Handling Millions of Tasks with Controlled Concurrency

May 10, 2026

A deep dive into the Worker Pool pattern in Go, based on six months of production experience. Learn how to balance throughput and resource safety while handling millions of tasks.

Networking

Bypassing the Bridge: Why We Switched to Macvlan and Ipvlan in Production

May 10, 2026

Is the Docker bridge slowing you down? See how we used Macvlan and Ipvlan to connect containers directly to our physical network, cutting CPU overhead and reducing latency in our VOIP and streaming clusters.

DevOps

Dapr in Practice: Decoupling Microservices on Kubernetes with State Management and Pub/Sub

May 10, 2026

Tired of infrastructure SDK bloat? Use Dapr to standardize microservices on Kubernetes. This guide covers State Management and Pub/Sub implementation using the Sidecar pattern.

Security

Centralizing Vulnerability Management: A Practical Guide to DefectDojo, Trivy, and Semgrep

May 10, 2026

Streamline your security workflow by centralizing findings from Trivy, Nmap, and Semgrep. This guide walks you through setting up DefectDojo and automating your vulnerability management.

Mastering Prometheus Alertmanager: Routing, Grouping, Inhibition, and Smart Alert Delivery to Telegram and PagerDuty

Securing IoT Devices at Home and in Your HomeLab: VLAN Segmentation, Firmware Monitoring, and Blocking Suspicious Connections

Mastering Protocol Buffers: Schema-first API Design for Multi-language Projects

Deploy FerretDB on Docker: MongoDB-Compatible Open Source Database Built on PostgreSQL

Practical Web Security: Hunting XSS, SQLi, and IDOR with Burp Suite Community

Deploy OpenCTI on Docker: Build Your Own Threat Intelligence Lab

Beyond Boolean Soup: Architecting Robust React Logic with XState

Why Is My Linux Load Average High Despite Low CPU Usage?

Beyond APT: A Field Guide to Snap, Flatpak, and AppImage

Native MySQL High Availability: A Practical Guide to InnoDB Cluster and Router

Stop ‘Vibe Checking’ Your Prompts: A Practical Guide to DeepEval

Linux Network Namespaces: How Container Networking Actually Works

Local Repo Mastery: A Production Guide for Apt and Yum Distribution

Cutting Next.js Bundle Sizes with React Server Components

Mastering Database Branching with Neon: No More 2 AM Production Disasters

Bypass CGNAT: Use Reverse SSH Tunneling to Expose Local Services

Mastering the Worker Pool Pattern in Go: Handling Millions of Tasks with Controlled Concurrency

Bypassing the Bridge: Why We Switched to Macvlan and Ipvlan in Production

Dapr in Practice: Decoupling Microservices on Kubernetes with State Management and Pub/Sub

Centralizing Vulnerability Management: A Practical Guide to DefectDojo, Trivy, and Semgrep