ITNotes - Page 15 of 142 - From Terminal to Cloud

Configure Linux Network Bonding and LACP with NetworkManager and Netplan

October 4, 2026

Learn how to configure Linux network bonding and 802.3ad LACP using Netplan and NetworkManager. This guide covers mode comparisons, configuration steps, and real-time failover verification.

Database

Automated Database Schema Migration with Flyway: PostgreSQL, MySQL, and CI/CD Setup

October 3, 2026

Managing schema changes across 14 microservices and two database engines used to trigger bi-weekly deployment panics. Here is how we rolled out Flyway across PostgreSQL and MySQL clusters to make schema updates fully automated and deterministic.

HomeLab

Install and Configure Proxmox Backup Server (PBS): Deduplication & Encryption Guide

October 3, 2026

Learn how to install and configure Proxmox Backup Server (PBS) to cut backup windows and storage costs with chunk deduplication, client-side encryption, and QEMU dirty-bitmap tracking.

Linux

Managing Resource Limits with Cgroups v2 and Systemd Slices on Linux

October 3, 2026

Learn how to partition and protect Linux server resources using modern Cgroups v2 and systemd slices. Control CPU bandwidth, memory ceilings, and disk I/O per service to eliminate noisy neighbors.

Linux

Mastering Linux Security Auditing with Auditd: Rules, File Monitoring, and Log Analysis

October 3, 2026

Secure your Linux infrastructure using Auditd. This step-by-step guide explains writing persistent kernel rules, tracking file tampering, and analyzing logs with ausearch and aureport.

Security

Hardening MySQL and MariaDB for Production: TLS, Auditing, and Access Control

October 3, 2026

Default MySQL and MariaDB installations expose production systems to unencrypted traffic and overly permissive user access. This guide walks through configuring TLS 1.3 encryption, enforcing least privilege, and enabling server audit logging.

Networking

High Availability Virtual IP with Keepalived and VRRP on Linux: A 6-Month Production Review

October 3, 2026

A single gateway crash can bring down an entire stack. Here is a 6-month production review of implementing High Availability Virtual IP using Keepalived and VRRP on Linux, featuring real metrics, configurations, and post-mortem lessons.

Security

Deploy HashiCorp Vault on Linux: Centralized Secrets and Automated Credential Rotation

October 3, 2026

Deploy HashiCorp Vault on Linux to eliminate secret sprawl. Learn how to install Vault, store encrypted secrets, and automate dynamic database credential rotation with short-lived leases.

Building a Custom MCP Server with Python: Standardize Tool and Data Integrations for Claude Desktop and AI Agents

October 3, 2026

Learn how to build a production-ready Python Model Context Protocol (MCP) server. Standardize tool calls, query incident telemetry, and integrate directly with Claude Desktop.

HomeLab

How to Install and Configure TrueNAS SCALE: Building a Ransomware-Resilient ZFS HomeLab

October 3, 2026

Deploy TrueNAS SCALE with OpenZFS in your homelab. Learn how to configure automated tiered snapshots and Windows Shadow Copies to recover from ransomware in seconds.

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

Deploy CrowdSec on Linux: Building a Distributed IPS to Block Brute Force and Web Attacks

Route-Based IPsec VPN with strongSwan and VTI on Linux: Secure Cloud-to-On-Premises Connectivity

Automate Kubernetes Troubleshooting with K8sGPT and Local Ollama

Mastering Outlines in Python: Guaranteed Structured LLM Output with Regex and CFGs

Mastering Cursor Rules and Context Mentions: Standardize Architecture Across Your Dev Team

Deploying HashiCorp Vault on Kubernetes: Dynamic Secrets and Sidecar Injector Guide

Deploying WPA3-Enterprise with FreeRADIUS and EAP-TLS: Mutual PKI Authentication Guide

Configure Linux Network Bonding and LACP with NetworkManager and Netplan

Automated Database Schema Migration with Flyway: PostgreSQL, MySQL, and CI/CD Setup

Install and Configure Proxmox Backup Server (PBS): Deduplication & Encryption Guide

Managing Resource Limits with Cgroups v2 and Systemd Slices on Linux

Mastering Linux Security Auditing with Auditd: Rules, File Monitoring, and Log Analysis

Hardening MySQL and MariaDB for Production: TLS, Auditing, and Access Control

High Availability Virtual IP with Keepalived and VRRP on Linux: A 6-Month Production Review

Deploy HashiCorp Vault on Linux: Centralized Secrets and Automated Credential Rotation

Building a Custom MCP Server with Python: Standardize Tool and Data Integrations for Claude Desktop and AI Agents

How to Install and Configure TrueNAS SCALE: Building a Ransomware-Resilient ZFS HomeLab