ITNotes - Page 84 of 143 - From Terminal to Cloud

Programming tutorial - IT technology blog

Fixing the Race Condition: Mastering RxJS and Reactive Programming in Angular

May 13, 2026

Tired of UI flickering and race conditions? Learn how to use RxJS operators like switchMap and debounceTime to build responsive, bug-free Angular applications.

Security

Identity-Based SSH: Why I Finally Closed Port 22 and Ditched Key Management

May 12, 2026

Is SSH key management slowing you down? Switch to identity-based authentication with Tailscale. Close Port 22, use your SSO for access, and simplify your server security in under 20 minutes.

Programming

NestJS Event Sourcing and CQRS: Lessons from a High-Stakes Production System

May 12, 2026

Learn how to build resilient, audit-proof systems using NestJS Event Sourcing and CQRS. Real-world insights on Sagas, Snapshots, and event versioning from 6 months in production.

Deploying DeepSeek-R1 Locally: A Private, High-Performance ChatGPT Alternative

May 12, 2026

Secure your proprietary code and data by moving your AI workflow local. This guide shows you how to set up DeepSeek-R1 with Ollama and Open WebUI for a professional-grade, private AI experience.

Database

Deploying TiDB on Docker: Scaling HTAP with a Distributed NewSQL Database

May 12, 2026

Struggling with MySQL scaling or slow analytical queries? Learn how to deploy TiDB on Docker to leverage distributed NewSQL and HTAP capabilities, allowing you to handle transactions and real-time analytics in a single, MySQL-compatible database.

Security

Stop Using Passwords: A Practical Guide to Implementing Passkeys (WebAuthn)

May 12, 2026

Ditch vulnerable passwords for good. This guide walks you through the technical steps and UX best practices for implementing phishing-resistant Passkeys in your web application.

DevOps

Mastering Argo Workflows: Scaling Batch Jobs and Data Pipelines on Kubernetes

May 12, 2026

Master Argo Workflows for Kubernetes. Learn to build resilient DAGs, manage artifacts, and implement production-ready batch jobs with specific code examples and optimization tips.

Security

Hunting BOLA: How to Audit Your API Security with OWASP ZAP

May 12, 2026

BOLA is the top risk for modern APIs. Discover how to use OWASP ZAP to automate your security testing, find authorization bugs, and harden your code.

Linux

Kernel Live Patching: Fix Linux Vulnerabilities Without the Reboot Nightmare

May 12, 2026

Reboots cause downtime and stress. Learn how to use ftrace and Canonical Livepatch to secure your Linux kernels in real-time without dropping a single connection.

Database

Beyond the Scaling Wall: Why I Switched to ScyllaDB for High-Velocity Data

May 12, 2026

Ditch the JVM pauses. Learn how ScyllaDB uses a C++ shard-per-core architecture to deliver microsecond latency for 2M+ ops/sec applications. Covers setup, CQL modeling, and performance traps.

Fast LLM Fine-Tuning with Unsloth on Linux: Cut 80% VRAM on Consumer GPUs

Mastering ScyllaDB on Docker: Deploying Ultra-Fast C++ NoSQL for High-Throughput Writes

Building an Internal Developer Portal with Spotify Backstage: Software Catalog, TechDocs, and Platform Automation

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

Fixing the Race Condition: Mastering RxJS and Reactive Programming in Angular

Identity-Based SSH: Why I Finally Closed Port 22 and Ditched Key Management

NestJS Event Sourcing and CQRS: Lessons from a High-Stakes Production System

Deploying DeepSeek-R1 Locally: A Private, High-Performance ChatGPT Alternative

Deploying TiDB on Docker: Scaling HTAP with a Distributed NewSQL Database

Stop Using Passwords: A Practical Guide to Implementing Passkeys (WebAuthn)

Mastering Argo Workflows: Scaling Batch Jobs and Data Pipelines on Kubernetes

Hunting BOLA: How to Audit Your API Security with OWASP ZAP

Kernel Live Patching: Fix Linux Vulnerabilities Without the Reboot Nightmare

Beyond the Scaling Wall: Why I Switched to ScyllaDB for High-Velocity Data