ITNotes - Page 32 of 84 - From Terminal to Cloud

Mastering Sudo I/O Logging: How to Record and Replay Linux User Sessions

May 5, 2026

Capture every keystroke and terminal output in Linux. This guide shows you how to configure Sudo I/O logging for session recording, auditing, and visual replay.

Stop Repeating Yourself: Use CLAUDE.md for Smarter AI Coding

May 5, 2026

Stop wasting tokens and correcting AI hallucinations. Learn how a CLAUDE.md file provides the project-specific context Claude needs to write better code, run tests, and follow your standards.

Database

Scaling MySQL with ProxySQL: From Master Screams to Production Stability

May 5, 2026

Scale your MySQL environment effectively. This guide shows you how to implement ProxySQL for read/write splitting, reduce CPU load via connection pooling, and handle replication lag automatically.

DevOps

Ditching Cluster Autoscaler for Karpenter: Faster, Cheaper EKS Scaling

May 5, 2026

Stop waiting minutes for nodes to join your cluster. Discover how Karpenter provides faster, more efficient autoscaling for Kubernetes on AWS than the traditional Cluster Autoscaler.

Networking

Linux TCP Stack Optimization: Tuning Buffers and Congestion Control for Production

May 5, 2026

Is your 10Gbps link underperforming? Learn how to calculate BDP and tune the Linux TCP stack with BBR and optimized buffers to hit peak production speeds.

Security

Lock Down Your Linux Box: A YubiKey Guide for SSH and Sudo

May 4, 2026

Secure your Linux environment by moving beyond passwords. This guide covers FIDO2 SSH setup, sudo PAM integration, and best practices for managing physical security keys.

Linux

Mastering Vim for Linux Sysadmins: Stop Fighting Your Config Files

May 4, 2026

Master the essential Vim commands every Linux system administrator needs. Learn how to navigate massive logs and edit configuration files with speed and precision.

Security

Hardening Docker Web Apps with BunkerWeb: Integrated WAF, Fail2Ban, and Let’s Encrypt Guide

May 4, 2026

Learn how to secure your Docker applications using BunkerWeb, a hardened Nginx-based web server. This tutorial covers automated WAF, Fail2Ban, and Let's Encrypt configuration using a hands-on, experience-driven approach.

Networking

NAT64 and DNS64 with Jool: Saving Your Budget by Moving to IPv6-only Servers

May 4, 2026

Deploy a high-performance NAT64 and DNS64 gateway using Jool and BIND9. This guide provides a production-ready roadmap for connecting IPv6-only servers to the IPv4 internet while saving on IP costs.

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?

Mastering Sudo I/O Logging: How to Record and Replay Linux User Sessions

Stop Repeating Yourself: Use CLAUDE.md for Smarter AI Coding

Scaling MySQL with ProxySQL: From Master Screams to Production Stability

Linux TCP Stack Optimization: Tuning Buffers and Congestion Control for Production

Lock Down Your Linux Box: A YubiKey Guide for SSH and Sudo

Mastering Vim for Linux Sysadmins: Stop Fighting Your Config Files

Hardening Docker Web Apps with BunkerWeb: Integrated WAF, Fail2Ban, and Let’s Encrypt Guide

NAT64 and DNS64 with Jool: Saving Your Budget by Moving to IPv6-only Servers