ITNotes - Page 56 of 84 - From Terminal to Cloud

asdf-vm Guide: One Version Manager to Rule Them All (Node, Python, Go, and Ruby)

April 11, 2026

Tired of juggling nvm, pyenv, and rbenv? Learn how to use asdf-vm on Linux to manage all your programming language versions through a single, lightning-fast interface.

HomeLab

Connect Zigbee Devices to Home Assistant via Zigbee2MQTT: A Cloud-Free Local Setup

April 10, 2026

Ditch proprietary hubs and build a fully local, vendor-agnostic smart home. This guide shows you how to set up Zigbee2MQTT with Home Assistant using Docker for maximum stability.

Linux

Beyond Chmod: Mastering Linux ACLs and Chattr for Granular Security

April 10, 2026

Standard Linux permissions often fall short in complex environments. This guide shows you how to use ACLs for granular access and Chattr attributes to make critical files immutable.

Linux

Proactive Linux Hardware Monitoring: A Production Review of smartmontools, lm-sensors, and dmidecode

April 10, 2026

A professional review of using smartmontools, lm-sensors, and dmidecode for Linux hardware monitoring. Learn how to track disk health, CPU thermals, and system inventory based on 6 months of production usage.

Security

Linux Sudoers Hardening: Don’t Let ‘Root for Everyone’ Kill Your Production Environment

April 10, 2026

Broad sudo permissions are a recipe for 2 AM outages. Learn how to implement the Principle of Least Privilege using command aliases, NOEXEC tags, and secure logging to protect your Linux servers.

Security

CrowdSec on Linux: Moving Beyond Fail2Ban to Community-Powered Security

April 10, 2026

Move beyond Fail2Ban. Learn how to deploy CrowdSec on Linux to leverage community-driven threat intelligence and block automated attacks in real-time.

HomeLab

Turn Your HomeLab into a Powerhouse Remote Dev Station: A 6-Month Review of code-server on Docker

April 10, 2026

Host your own VS Code Server on Docker and turn any browser into a professional IDE. A 6-month production review of setup, security, and performance for HomeLab enthusiasts.

Networking

Stop Configuring Switches One by One: Master Network Automation with Python and Netmiko

April 10, 2026

Ditch manual SSH logins. Learn how to use Python and Netmiko to automate Cisco and Juniper batch configurations, error handling, and multi-vendor management.

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?

asdf-vm Guide: One Version Manager to Rule Them All (Node, Python, Go, and Ruby)

Connect Zigbee Devices to Home Assistant via Zigbee2MQTT: A Cloud-Free Local Setup

Beyond Chmod: Mastering Linux ACLs and Chattr for Granular Security

Proactive Linux Hardware Monitoring: A Production Review of smartmontools, lm-sensors, and dmidecode

Linux Sudoers Hardening: Don’t Let ‘Root for Everyone’ Kill Your Production Environment

CrowdSec on Linux: Moving Beyond Fail2Ban to Community-Powered Security

Turn Your HomeLab into a Powerhouse Remote Dev Station: A 6-Month Review of code-server on Docker

Stop Configuring Switches One by One: Master Network Automation with Python and Netmiko