ITNotes - Page 25 of 143 - From Terminal to Cloud

Stop Deploying Broken Docker Images: A Guide to Container Structure Tests

September 3, 2026

Container Structure Tests help you catch Dockerfile errors before they reach production. Learn to automate checks for file permissions, binary versions, and security metadata.

Programming

Mastering Golang Memory Profiling: A Practical Guide with pprof

September 3, 2026

Master Golang memory profiling using pprof to identify leaks and optimize performance. Learn how to use heap profiles, flame graphs, and practical coding patterns to keep your Go applications lean.

DevOps

Stop Storing Secrets in Git: A Guide to 1Password Connect on Kubernetes

September 3, 2026

Tired of Base64 secrets? Learn how to integrate 1Password with Kubernetes to automate secret management, improve security, and simplify your DevOps workflow.

Networking

Building a Network Performance Testbed: High-Speed Testing with TRex on Linux

September 1, 2026

Ditch iperf3 for serious network testing. This guide shows you how to build a 10Gbps+ testbed using TRex and DPDK to measure true throughput, latency, and IMIX performance on Linux.

Programming

Stop Writing Boilerplate: A Guide to Python Dataclasses, Attrs, and Pydantic

September 1, 2026

Tired of manual boilerplate? Discover how to use Dataclasses, Attrs, and Pydantic to build immutable, high-performance Python models that scale.

Networking

Build Your Own Private 5G Network: A Hands-On Guide with Open5GS and srsRAN

September 1, 2026

Ditch the Wi-Fi lag. This guide shows you how to build a fully functional private 5G network on Linux using Open5GS and srsRAN, starting with a zero-cost virtual simulation.

Programming

Mastering Socket.IO in Node.js: Building Secure, Production-Ready Real-Time Apps

September 1, 2026

Go beyond basic WebSockets. Learn how to build a professional real-time chat system using Socket.IO, featuring JWT security, private rooms, and scaling strategies.

Programming

Scaling Large TypeScript Monorepos: How We Cut CI Times by 90% with Nx

September 1, 2026

Tired of 45-minute build times? Discover how to use Nx affected commands and remote caching to slash CI wait times and keep your TypeScript monorepo fast and scalable.

Networking

Supercharging Linux Networking: A Practical Guide to eBPF TC

September 1, 2026

Ditch the overhead of iptables. This guide shows you how to use eBPF TC to build high-performance, programmable network filters and QoS directly in the Linux kernel.

Networking

DNS Tunneling with iodine on Linux: Bypass Firewalls and Access Networks via DNS Protocol

August 29, 2026

Learn how to set up DNS tunneling with iodine on Linux to bypass firewalls in restrictive network environments. This guide covers server setup, client connection, traffic routing, NAT configuration, and practical troubleshooting tips for authorized use cases.

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

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

Stop Deploying Broken Docker Images: A Guide to Container Structure Tests

Mastering Golang Memory Profiling: A Practical Guide with pprof

Stop Storing Secrets in Git: A Guide to 1Password Connect on Kubernetes

Building a Network Performance Testbed: High-Speed Testing with TRex on Linux

Stop Writing Boilerplate: A Guide to Python Dataclasses, Attrs, and Pydantic

Build Your Own Private 5G Network: A Hands-On Guide with Open5GS and srsRAN

Mastering Socket.IO in Node.js: Building Secure, Production-Ready Real-Time Apps

Scaling Large TypeScript Monorepos: How We Cut CI Times by 90% with Nx

Supercharging Linux Networking: A Practical Guide to eBPF TC

DNS Tunneling with iodine on Linux: Bypass Firewalls and Access Networks via DNS Protocol