ITNotes - Page 31 of 84 - From Terminal to Cloud

Kubernetes Preview Environments: How We Solved the ‘Who Broke Staging?’ Crisis with Argo CD

May 6, 2026

Is your staging server a bottleneck? Learn how to build automated, isolated preview environments for every Pull Request using Argo CD and Kubernetes.

DevOps

Mastering CI/CD: How We Automated Azure App Service Deployments in 6 Months

May 6, 2026

Based on 6 months of production usage, this guide shows you how to move from risky manual uploads to a 5-minute automated CI/CD pipeline using Azure DevOps and YAML.

Database

Stop Treating DynamoDB Like SQL: A Practical Guide to Single-Table Design

May 6, 2026

Is your DynamoDB schema actually a SQL database in disguise? Learn how to use single-table design to consolidate data, reduce network latency, and optimize your serverless application for scale.

Programming

Beyond Code Deploys: Mastering Feature Flags and Canary Releases

May 6, 2026

Stop conflating deployment with release. Learn how to use feature flags for instant toggles and risk-free canary rollouts using deterministic hashing, all without needing to redeploy code.

Linux

Stop Over-Engineering Your Test Labs: A Guide to Systemd-nspawn

May 6, 2026

Ditch the heavy overhead of Docker for your local testing. This guide shows you how to master systemd-nspawn for lightning-fast, isolated Linux environments.

Networking

Mastering Smokeping: How to Kill the ‘2 AM Network Ghost’ on Linux

May 6, 2026

Learn how to deploy and configure Smokeping on Linux. Track network latency, jitter, and packet loss over time with historical RRDtool graphs to solve intermittent connectivity issues.

Programming

Stop Breaking Production: A Practical Guide to Playwright, TypeScript, and CI/CD

May 5, 2026

Ditch the manual testing headaches. This guide shows you how to build a resilient, professional E2E testing suite using Playwright, TypeScript, and GitHub Actions.

Networking

Mastering Port Mirroring: Using Open vSwitch (OVS) for Passive Linux Monitoring

May 5, 2026

Don't risk production downtime for network visibility. Learn how to configure Open vSwitch Port Mirroring (SPAN) to capture and analyze traffic safely on Linux.

Programming

Preventing Data Corruption: A Practical Guide to Redis Distributed Locks

May 5, 2026

Race conditions can break your microservices. Learn how to use Redis and the Redlock algorithm to ensure data consistency across distributed systems with Python.

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?

Kubernetes Preview Environments: How We Solved the ‘Who Broke Staging?’ Crisis with Argo CD

Mastering CI/CD: How We Automated Azure App Service Deployments in 6 Months

Stop Treating DynamoDB Like SQL: A Practical Guide to Single-Table Design

Beyond Code Deploys: Mastering Feature Flags and Canary Releases

Stop Over-Engineering Your Test Labs: A Guide to Systemd-nspawn

Mastering Smokeping: How to Kill the ‘2 AM Network Ghost’ on Linux

Stop Breaking Production: A Practical Guide to Playwright, TypeScript, and CI/CD

Mastering Port Mirroring: Using Open vSwitch (OVS) for Passive Linux Monitoring

Preventing Data Corruption: A Practical Guide to Redis Distributed Locks