ITNotes - Page 24 of 143 - From Terminal to Cloud

Going Dark: How I Used OpenZiti to Close Every Open Port on My Linux Servers

September 7, 2026

Tired of botnets hitting your open ports? Learn how to use OpenZiti to make your Linux services completely invisible to the public internet while maintaining easy access.

Networking

Build a High-Speed Mesh VPN with Netmaker: Multi-Cloud Networking That Doesn’t Suck

September 6, 2026

Tired of slow multi-cloud networking? Learn how to build a high-performance, self-hosted Mesh VPN using Netmaker and WireGuard to slash latency and egress costs.

Programming

React 19’s useOptimistic: Stop Making Your Users Wait for the Server

September 6, 2026

Ditch the loading spinners. Learn how to use React 19's useOptimistic hook to create lightning-fast interfaces that update instantly while handling server sync in the background.

Networking

Linux Networking at Scale: Mastering IRQ Affinity, RSS, and RPS

September 6, 2026

Is your Linux server dropping packets despite low CPU usage? Learn how to fix the 'Single Core Trap' by tuning IRQ Affinity, RSS, and RPS for high-performance networking.

Programming

Server-Driven UI (SDUI): Ship Mobile Updates Without the App Store Wait

September 6, 2026

Skip the slow App Store review process. Learn how to use Server-Driven UI (SDUI) to push instant mobile updates, manage JSON schemas, and build a resilient component factory.

Networking

Fixing Linux Network Lag: A Guide to TCP Retransmission

September 6, 2026

Is your Linux server feeling sluggish despite low CPU usage? Learn how to use ss, nstat, and TShark to diagnose TCP retransmissions and fix the network bottlenecks killing your performance.

Programming

Smooth Moves: Building Fluid Interfaces with the View Transitions API

September 6, 2026

Ditch heavy animation libraries. Learn how to use the native View Transitions API to create fluid, app-like experiences for both SPAs and MPAs with minimal code.

Programming

Speed Up Python with Numba JIT: Make Heavy Data Processing 100x Faster

September 3, 2026

Numba's JIT compiler transforms slow Python loops into native machine code, delivering 100x+ speedups for numerical computation without changing your algorithm. Covers installation, @njit, parallel=True, caching, and a real benchmark you can run yourself — with actual numbers, not marketing estimates.

DevOps

CDK for Terraform (CDKTF) with Python: Deploy Cloud Resources Without Writing HCL

September 3, 2026

CDK for Terraform (CDKTF) lets you define cloud infrastructure using Python instead of HCL — while keeping Terraform's state management and provider ecosystem intact. This guide walks through installation, writing your first Python stack, deploying to AWS, and verifying the result.

Programming

Clean Up Your Java Code: A Practical Guide to Vavr

September 3, 2026

Tired of messy try-catch blocks? Learn how to use Vavr to write cleaner, more resilient Java code using functional patterns like Try, Option, and Either.

Kubernetes Disaster Recovery with Velero and MinIO: Complete Cluster Backup Guide

Build Real-Time Apps with Phoenix LiveView: Server-Side State Without JavaScript

Deploy a TACACS+ Server on Linux with tac_plus: Centralized AAA and Command Authorization

Deploy Immich on Docker: Self-Hosted Google Photos Alternative with AI

GitOps for HomeLab: Automate Kubernetes and K3s Deployments with Argo CD

Structured Data Extraction with BAML and Python: Faster LLM Output and Visual Prompt Testing

Mastering HugePages and Transparent HugePages on Linux for PostgreSQL and Redis

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

Going Dark: How I Used OpenZiti to Close Every Open Port on My Linux Servers

Build a High-Speed Mesh VPN with Netmaker: Multi-Cloud Networking That Doesn’t Suck

React 19’s useOptimistic: Stop Making Your Users Wait for the Server

Linux Networking at Scale: Mastering IRQ Affinity, RSS, and RPS

Server-Driven UI (SDUI): Ship Mobile Updates Without the App Store Wait

Fixing Linux Network Lag: A Guide to TCP Retransmission

Smooth Moves: Building Fluid Interfaces with the View Transitions API

Speed Up Python with Numba JIT: Make Heavy Data Processing 100x Faster

Clean Up Your Java Code: A Practical Guide to Vavr