ITNotes - Page 68 of 143 - From Terminal to Cloud

Kubernetes Security Auditing: Hardening Clusters with kube-bench and kube-hunter

May 29, 2026

Is your Kubernetes cluster actually secure? Move beyond default settings by using kube-bench and kube-hunter to audit for CIS compliance and discover active vulnerabilities.

Linux

Modern Linux User Management with systemd-homed: Encryption, Quotas, and Portability

May 29, 2026

Ditch traditional /etc/passwd management for systemd-homed. Learn to configure encrypted, portable user accounts and dynamic disk quotas on modern Linux systems.

Networking

Microsecond Precision with linuxptp: A Guide to PTP/IEEE 1588 on Linux

May 29, 2026

Move beyond NTP. This guide shows you how to implement PTP/IEEE 1588 on Linux using linuxptp to achieve sub-microsecond time synchronization for critical infrastructure.

Networking

Unbound DNS Resolver Setup Guide: Build a Secure Recursive DNS Server with DNSSEC Validation

May 28, 2026

Learn how to install and configure Unbound as a recursive DNS resolver with DNSSEC validation on Linux. This step-by-step guide covers quick setup, split-horizon DNS, rate limiting, and production tips for homelab and small enterprise environments.

Security

Deploying GoPhish for Internal Phishing Simulations: Build a Security Awareness Program That Actually Works

May 28, 2026

Learn how to deploy GoPhish on a Linux VPS to run realistic internal phishing simulations, measure employee click rates, and build a targeted security awareness training program backed by real data.

Networking

Stop Mapping Networks Manually: Use LLDP and CDP on Linux Instead

May 28, 2026

Stop relying on outdated spreadsheets. Learn how to use lldpd on Linux to automatically discover switch ports and build a real-time network map.

Networking

Stop the ‘Sticky Client’ Problem: Configuring 802.11r/k/v in hostapd

May 28, 2026

End the 'sticky client' problem. Configure 802.11r, 802.11k, and 802.11v on hostapd to achieve sub-50ms roaming and seamless Wi-Fi transitions.

Programming

Stop Guessing Edge Cases: Property-Based Testing with Hypothesis

May 28, 2026

Discover how to automate edge-case detection in Python using the Hypothesis library. Learn about strategies, shrinking, and how to integrate property-based testing into your CI/CD workflow.

Linux

Stop Guessing: Automate Linux Performance with Tuned Profiles

May 28, 2026

Stop manual sysctl hacking. This guide shows you how to use Tuned to automate Linux performance for databases, web servers, and virtualization with real-world examples and custom profiles.

Database

Hardening Multi-tenant Apps: Why You Need PostgreSQL Row Level Security

May 28, 2026

Discover how PostgreSQL Row Level Security (RLS) provides a native, foolproof layer of protection for multi-tenant apps. Stop relying on manual filters and secure your data at the source.

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

Kubernetes Security Auditing: Hardening Clusters with kube-bench and kube-hunter

Modern Linux User Management with systemd-homed: Encryption, Quotas, and Portability

Microsecond Precision with linuxptp: A Guide to PTP/IEEE 1588 on Linux

Unbound DNS Resolver Setup Guide: Build a Secure Recursive DNS Server with DNSSEC Validation

Deploying GoPhish for Internal Phishing Simulations: Build a Security Awareness Program That Actually Works

Stop Mapping Networks Manually: Use LLDP and CDP on Linux Instead

Stop the ‘Sticky Client’ Problem: Configuring 802.11r/k/v in hostapd

Stop Guessing Edge Cases: Property-Based Testing with Hypothesis

Stop Guessing: Automate Linux Performance with Tuned Profiles

Hardening Multi-tenant Apps: Why You Need PostgreSQL Row Level Security