ITNotes - Page 10 of 83 - From Terminal to Cloud

Programming tutorial - IT technology blog

Beyond Basic Interfaces: Building Type-Safe Logic with Advanced TypeScript

May 26, 2026

Move beyond basic interfaces. Learn how to use TypeScript's Conditional, Mapped, and Template Literal types to build scalable, self-correcting codebases.

HomeLab

How to Install Homarr on Docker: Build a Pro HomeLab Dashboard with Native ‘Arr’ Integration

May 26, 2026

Tired of managing dozens of browser tabs? Learn how to install Homarr on Docker, the modern dashboard that integrates with Sonarr, Radarr, and Torrent clients for real-time monitoring.

Programming

Python Metaprogramming: Building High-Performance Frameworks with Metaclasses and Slots

May 26, 2026

Learn how to build high-performance Python frameworks by combining Metaclasses, Descriptors, and __slots__. Reduce boilerplate and cut memory usage by over 60%.

HomeLab

Building a 3-Node Proxmox HA Cluster: The $300 Intel N100 Powerhouse

May 26, 2026

Build a silent, low-power, 3-node High Availability cluster using Intel N100 Mini PCs. This guide shows you how to get enterprise-grade Proxmox features for under $300.

Security

Linux Privilege Escalation: From Initial Foothold to Root Access

May 26, 2026

Is your Linux server one misconfig away from a total breach? Learn how attackers exploit SUID bits and sudoers files, and how to use tools like LinPEAS and Auditd to stop them.

DevOps

Stop Paying for PagerDuty: How to Self-Host Grafana OnCall on a $5 VPS

May 26, 2026

Ditch the expensive SaaS fees. This guide shows you how to deploy Grafana OnCall using Docker Compose to create a robust, self-hosted incident response system.

Linux

Mastering udev Rules: Fix Shifting USB Names and Automate Linux Hardware

May 26, 2026

Tired of your Linux device names changing after every reboot? Learn how to write udev rules to create persistent symlinks, automate hardware scripts, and manage USB permissions like a pro.

Programming

Rust’s Secret Sauce: Mastering Ownership and Borrowing Without the Garbage Collector

May 26, 2026

Rust eliminates the need for a garbage collector without sacrificing memory safety. Explore the core principles of ownership, borrowing, and lifetimes with practical examples.

Security

WordPress Security Hardening: Stop Brute Force, SQLi, and RCE Before They Hit

May 25, 2026

Harden your WordPress site against brute force, SQL injection, and remote code execution using a layered approach: security plugins, Nginx rate limiting, file integrity monitoring, and database privilege restriction. Practical commands and configs included.

DevOps

Docker Multi-stage Build and Distroless Images: Shrink Your Container to Just a Few MB

May 25, 2026

Learn how to use Docker multi-stage builds and distroless base images to shrink your container from 1 GB down to just a few MB — with real Dockerfile examples for Go, Node.js, Python, and Java. Includes security hardening tips and CVE reduction techniques for production deployments.

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

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

Shipping Cross-Platform: A Production-Grade Guide to Flutter and Dart

Self-Hosting Penpot on Docker: The Private, Open-Source Figma Alternative

Reboot Linux in Seconds: Using kexec to Skip BIOS and POST

Telepresence: Local Microservices Debugging Without the 10-Minute Rebuild

Stop Guessing: Use Flame Graphs to Pinpoint Linux CPU Bottlenecks

HTMX: Building Interactive Web Apps Without the JavaScript Fatigue

Ditch GRUB for systemd-boot: A Leaner, Faster Way to Boot Linux

Automating Prompt Optimization with DSPy: Declarative LLM Programming That Replaces Manual Prompt Engineering

Beyond Basic Interfaces: Building Type-Safe Logic with Advanced TypeScript

How to Install Homarr on Docker: Build a Pro HomeLab Dashboard with Native ‘Arr’ Integration

Python Metaprogramming: Building High-Performance Frameworks with Metaclasses and Slots

Building a 3-Node Proxmox HA Cluster: The $300 Intel N100 Powerhouse

Linux Privilege Escalation: From Initial Foothold to Root Access

Stop Paying for PagerDuty: How to Self-Host Grafana OnCall on a $5 VPS

Mastering udev Rules: Fix Shifting USB Names and Automate Linux Hardware

Rust’s Secret Sauce: Mastering Ownership and Borrowing Without the Garbage Collector

WordPress Security Hardening: Stop Brute Force, SQLi, and RCE Before They Hit

Docker Multi-stage Build and Distroless Images: Shrink Your Container to Just a Few MB