ITNotes - Page 21 of 119 - From Terminal to Cloud

Networking tutorial - IT technology blog

Deploy BFD with FRRouting on Linux: Achieve Sub-Second Network Failover

July 17, 2026

Don't let slow OSPF or BGP timers crash your uptime. Discover how to use BFD and FRRouting on Linux for ultra-fast, sub-second network failure detection.

Linux

Mastering Advanced curl: A Guide to API Auth, TLS Debugging, and Automation

July 17, 2026

Learn how to use advanced curl flags for JWT authentication, TLS debugging, and automated API testing directly from the Linux command line.

Linux

IPMI and ipmitool on Linux: Remote Power Control, Hardware Alerts, and System Recovery

July 16, 2026

IPMI with ipmitool gives you hardware-level remote access to physical servers — power control, sensor monitoring, and console access that works even when SSH is completely gone. This guide covers approach comparison, security setup, and practical recovery workflows from real datacenter experience.

Building AI Applications with Microsoft Semantic Kernel and Python: Plugins, Memory, and Planning for Enterprise AI Agents

July 16, 2026

If LangChain version bumps have burned you before, Microsoft Semantic Kernel is worth a serious look. This guide builds a working Python AI agent from scratch — native plugins, semantic plugins, vector memory, and auto-invocation planning — with real code you can run today.

DevOps

Stop Wasting RAM: Building a Lightweight CI/CD Pipeline with Drone and Gitea

July 16, 2026

Tired of Jenkins eating your RAM? Learn how to build a high-performance, self-hosted CI/CD pipeline using Drone CI and Gitea on Docker. Perfect for VPS environments.

HomeLab

Self-Host NocoDB: Turn Your Docker Volumes into a Private Airtable Clone

July 16, 2026

Ditch the spreadsheets. Learn how to deploy NocoDB on Docker for a self-hosted, no-code database that makes HomeLab inventory and task management effortless.

Linux

Stop Guessing: Benchmarking Linux Disk Performance with fio

July 16, 2026

Marketing specs for SSDs and NVMe drives often mislead. Learn how to use fio to get accurate IOPS and latency data before you deploy to production.

DevOps

Argo CD ApplicationSet: Automate Multi-Cluster Kubernetes App Deployments at Scale

July 14, 2026

Argo CD ApplicationSet solves the multi-cluster app management problem by automatically generating Application resources from generators — turning hundreds of manual manifests into a single declarative spec. This guide walks through installation, List/Git/Matrix generator configuration, and monitoring your generated applications at scale.

DevOps

K9s Tutorial: Manage and Monitor Your Kubernetes Cluster Like a Pro from the Terminal

July 14, 2026

K9s is a terminal-based UI that transforms how you interact with Kubernetes clusters — real-time resource views, one-key log access, inline editing, and instant pod exec, all from your terminal. This guide covers installation, core navigation, and real debugging workflows to help you move faster in production.

Programming

JavaScript Debouncing and Throttling: Optimize Event Handling and Reduce API Load

July 14, 2026

Debouncing and throttling are two JavaScript techniques that dramatically reduce unnecessary function calls — especially API requests triggered by user input. This guide walks through practical implementations for search boxes, scroll handlers, and rate-limited APIs, with monitoring tips to verify the improvement.

Speed Up Python with Numba JIT: Make Heavy Data Processing 100x Faster

CDK for Terraform (CDKTF) with Python: Deploy Cloud Resources Without Writing HCL

Clean Up Your Java Code: A Practical Guide to Vavr

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

Deploy BFD with FRRouting on Linux: Achieve Sub-Second Network Failover

Mastering Advanced curl: A Guide to API Auth, TLS Debugging, and Automation

IPMI and ipmitool on Linux: Remote Power Control, Hardware Alerts, and System Recovery

Building AI Applications with Microsoft Semantic Kernel and Python: Plugins, Memory, and Planning for Enterprise AI Agents

Stop Wasting RAM: Building a Lightweight CI/CD Pipeline with Drone and Gitea

Self-Host NocoDB: Turn Your Docker Volumes into a Private Airtable Clone

Stop Guessing: Benchmarking Linux Disk Performance with fio

Argo CD ApplicationSet: Automate Multi-Cluster Kubernetes App Deployments at Scale

K9s Tutorial: Manage and Monitor Your Kubernetes Cluster Like a Pro from the Terminal

JavaScript Debouncing and Throttling: Optimize Event Handling and Reduce API Load