ITNotes - Page 105 of 143 - From Terminal to Cloud

Automating Kubernetes Secret Management with External Secrets Operator: Syncing AWS and Vault

April 22, 2026

Stop managing Kubernetes secrets manually. This guide shows you how to use External Secrets Operator to automatically sync sensitive data from AWS Secrets Manager and HashiCorp Vault directly into your cluster for a secure GitOps workflow.

DevOps

Progressive Delivery on Kubernetes with Argo Rollouts: Canary and Blue/Green Deployment Guide

April 21, 2026

Argo Rollouts brings precise traffic control to Kubernetes with canary splitting, blue/green switching, and automated Prometheus-based rollback. This guide covers setup, traffic routing with NGINX, AnalysisTemplates, and operational lessons for teams deploying under pressure.

Networking

Wake-on-LAN Over the Internet: Configure Your Router and Linux Server for Remote Boot

April 21, 2026

A practical guide to configuring Wake-on-LAN on Linux and your router so you can remotely power on any physical machine over the internet. Covers ethtool setup, systemd persistence, router port forwarding, and a full wake+connect script.

Networking

Centralize Your Network Auth: A Deep Dive into FreeRADIUS and LDAP

April 21, 2026

Ditch manual user management. Learn how to set up FreeRADIUS with LDAP to centralize your Wi-Fi and VPN authentication for a more secure, scalable network.

HomeLab

Self-Hosting Tailscale: A Guide to Deploying Headscale on Docker

April 21, 2026

Ditch the cloud and take control of your mesh VPN. This guide shows you how to deploy Headscale on Docker for a private, secure, and unlimited Tailscale network.

Database

MySQL High Availability: A Hands-On Guide to Galera Multi-Master Clusters

April 21, 2026

Build a resilient database backend using MariaDB Galera Cluster. This guide covers synchronous multi-master setup, quorum logic, and performance tuning for production environments.

Programming

Scaling Large-Scale Frontend Applications with React and Module Federation

April 21, 2026

Discover how to dismantle monolithic frontend debt using Webpack Module Federation. This guide walks you through building a scalable, multi-team React architecture from scratch.

Networking

Netplan on Ubuntu: A Pro’s Guide to YAML Networking

April 21, 2026

Ditch the old /etc/network/interfaces. Learn how to use Netplan on Ubuntu to configure static IPs, DHCP, and DNS using clean YAML syntax while avoiding common pitfalls.

Security

Kill the 2 AM Password Prompt: Auto-Unlock LUKS with TPM 2.0

April 21, 2026

Stop typing LUKS passphrases manually. This guide shows you how to use TPM 2.0 and Clevis to securely automate disk decryption on Linux, ensuring your servers reboot without intervention.

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

Automating Kubernetes Secret Management with External Secrets Operator: Syncing AWS and Vault

Progressive Delivery on Kubernetes with Argo Rollouts: Canary and Blue/Green Deployment Guide

Wake-on-LAN Over the Internet: Configure Your Router and Linux Server for Remote Boot

Centralize Your Network Auth: A Deep Dive into FreeRADIUS and LDAP

Self-Hosting Tailscale: A Guide to Deploying Headscale on Docker

MySQL High Availability: A Hands-On Guide to Galera Multi-Master Clusters

Scaling Large-Scale Frontend Applications with React and Module Federation

Netplan on Ubuntu: A Pro’s Guide to YAML Networking

Kill the 2 AM Password Prompt: Auto-Unlock LUKS with TPM 2.0