ITNotes - Page 50 of 84 - From Terminal to Cloud

Data Masking in PostgreSQL and MySQL: Securing Sensitive Data for Dev and Staging

April 18, 2026

Using raw production data in Dev or Staging is a massive security risk. Learn how to implement robust Static and Dynamic Data Masking for PostgreSQL and MySQL.

Security

GPG for Linux: A Practical Guide to Encrypting Files and Signing Data

April 17, 2026

Master GnuPG on Linux. This guide walks you through asymmetric encryption, signing files, and the pro-level key management habits that prevent data loss.

Linux

Taking Control of Linux PAM: A Practical Guide to System Authentication

April 17, 2026

Learn how to configure Linux Pluggable Authentication Modules (PAM) to enforce account locking, time-based access, and robust security policies without locking yourself out.

Programming

Building GraphQL APIs with Python Strawberry and FastAPI: From Schema Design to Authentication

April 17, 2026

Tired of endpoint bloat? Learn to build type-safe, high-performance GraphQL APIs using Python Strawberry and FastAPI to solve REST over-fetching and N+1 issues.

Database

PostgreSQL High Availability on Kubernetes: A Hands-On Guide to CloudNativePG

April 17, 2026

Stop managing database failures manually. Discover how to deploy a self-healing, production-grade PostgreSQL cluster on Kubernetes with automated failover and S3 backups.

HomeLab

Beyond ‘Copy-Paste’: Building a Bulletproof 3-2-1 HomeLab Backup with Restic

April 17, 2026

Don't wait for a drive failure to care about your data. Learn how to implement an automated, encrypted 3-2-1 backup strategy for your HomeLab using Restic, Rclone, and Backblaze B2.

Linux

Stop Flying Blind: Real-Time Linux Server Monitoring with Netdata

April 17, 2026

Ditch the lag of 5-minute monitoring averages. This guide covers how to deploy Netdata for 1-second granularity, auto-configured dashboards, and real-time server troubleshooting.

GPU-Accelerated Docker: A Production Guide to Installing NVIDIA Container Toolkit on Ubuntu

April 17, 2026

A professional guide to installing the NVIDIA Container Toolkit on Ubuntu. Learn how to bridge the gap between host drivers and Docker containers to enable full GPU acceleration for AI workloads.

Programming

Implementing Idempotency in Node.js REST APIs with Redis

April 17, 2026

Duplicate API requests can lead to double-billing and data corruption. Learn to use Redis and Node.js to implement robust idempotency and atomic locking for production REST APIs.

HomeLab

Kasm Workspaces on Ubuntu: Stream Isolated Desktops to Any Browser

April 17, 2026

Ditch laggy RDP. Learn how to deploy Kasm Workspaces on Ubuntu to stream disposable, isolated browsers and desktops directly to your web browser. Perfect for secure HomeLab setups.

Building a Production-Ready REST API with Spring Boot, Spring Security, JPA, and Docker

Building a Laravel REST API with Docker: From Zero to Production in 2024

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?

Data Masking in PostgreSQL and MySQL: Securing Sensitive Data for Dev and Staging

GPG for Linux: A Practical Guide to Encrypting Files and Signing Data

Taking Control of Linux PAM: A Practical Guide to System Authentication

Building GraphQL APIs with Python Strawberry and FastAPI: From Schema Design to Authentication

PostgreSQL High Availability on Kubernetes: A Hands-On Guide to CloudNativePG

Beyond ‘Copy-Paste’: Building a Bulletproof 3-2-1 HomeLab Backup with Restic

Stop Flying Blind: Real-Time Linux Server Monitoring with Netdata

GPU-Accelerated Docker: A Production Guide to Installing NVIDIA Container Toolkit on Ubuntu

Implementing Idempotency in Node.js REST APIs with Redis

Kasm Workspaces on Ubuntu: Stream Isolated Desktops to Any Browser