ITNotes - Page 27 of 84 - From Terminal to Cloud

PostgreSQL Disaster Recovery: Why You Need Barman When Your Database Dies at 2 AM

May 10, 2026

A professional guide to PostgreSQL Disaster Recovery. Learn why pg_dump is insufficient for production and how to implement Barman for sub-minute data recovery.

HomeLab

How to Install CasaOS on Ubuntu: Give Your Old PC a Second Life as a Personal Cloud

May 10, 2026

Give your old PC a second life. Learn how to install and configure CasaOS on Ubuntu for a stable, user-friendly home server based on 6 months of testing.

Security

Masking PII in System Logs: A Fluent Bit Guide to Redacting Emails, IPs, and Passwords

May 10, 2026

Leaking PII in system logs is a major compliance risk. This guide shows you how to use Fluent Bit's modify and Lua filters to mask emails, IPs, and passwords at the source.

Networking

Kill the ksoftirqd Bottleneck: A Hands-on Guide to NIC Offloading and Interrupt Coalescing

May 10, 2026

Is ksoftirqd pinning your CPU? Learn how to use ethtool to enable TSO, GRO, and interrupt coalescing to eliminate network bottlenecks on high-traffic Linux servers.

Linux

Beyond Cron: Using Systemd Path Units for Real-Time Linux Automation

May 9, 2026

Ditch inefficient cron polling. This guide shows you how to use Systemd Path Units to trigger scripts the instant a file or directory changes on your Linux server.

Database

Ditch SQL ‘LIKE’: Building 50ms Search-as-you-type with Meilisearch

May 9, 2026

Is your web app's search dragging? Replace sluggish SQL LIKE queries with Meilisearch to build ultra-fast, typo-tolerant search-as-you-type experiences in minutes.

Networking

Mastering Linux Policy Based Routing: A Practical Guide to Multi-Gateway Setup

May 9, 2026

Take control of your Linux networking with Policy Based Routing (PBR). Learn how to create custom routing tables and rules to manage multiple gateways, VPNs, and ISPs with surgical precision.

Linux

Modernizing Your Linux Terminal: Swap Legacy Commands for High-Performance Rust Tools

May 9, 2026

Is your terminal stuck in the 90s? Replace cat, ls, find, and du with high-speed Rust alternatives like Bat, Eza, and Fd for a 10x more productive Linux experience.

Programming

Architecture That Actually Scales: Building a Design System with Storybook, Tailwind, and CVA

May 9, 2026

Frontend projects scale until logic gets tangled. Learn how to build a type-safe, documented design system using Next.js, Tailwind CSS, and CVA to speed up development and eliminate UI bugs.

Build a Real-Time AI Research Agent: LangChain and Tavily API Guide

May 9, 2026

Build a production-ready AI Research Agent using LangChain and Tavily. Learn how to connect LLMs to the live internet for accurate, real-time data synthesis in Python.

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?

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

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

PostgreSQL Disaster Recovery: Why You Need Barman When Your Database Dies at 2 AM

How to Install CasaOS on Ubuntu: Give Your Old PC a Second Life as a Personal Cloud

Masking PII in System Logs: A Fluent Bit Guide to Redacting Emails, IPs, and Passwords

Kill the ksoftirqd Bottleneck: A Hands-on Guide to NIC Offloading and Interrupt Coalescing

Beyond Cron: Using Systemd Path Units for Real-Time Linux Automation

Ditch SQL ‘LIKE’: Building 50ms Search-as-you-type with Meilisearch

Mastering Linux Policy Based Routing: A Practical Guide to Multi-Gateway Setup

Modernizing Your Linux Terminal: Swap Legacy Commands for High-Performance Rust Tools

Architecture That Actually Scales: Building a Design System with Storybook, Tailwind, and CVA

Build a Real-Time AI Research Agent: LangChain and Tavily API Guide