Tag: #devops
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 196 posts
Python PyPI Supply Chain Attack Defense Strategy: From Typosquatting to Multi-layered Security
Analyzes the types of Python PyPI supply chain attacks that surged in 2025-2026, presenting multi-layered defense strategies against typosquatting, dependency confusion, and malicious build scripts with practical code ex
2026-03-14 · 16 min read #python#pypi#supply-chain#devops#securityManaging Developer Cognitive Load and Team Topologies: A Practical Guide to DevEx Innovation
A practical guide to systematically measuring and improving Developer Experience (DevEx) by combining Cognitive Load Theory, the SPACE framework, and Team Topologies patterns.
2026-03-14 · 12 min read #devops#developer-experience#cognitive-load#team-topology#devexOpenTofu vs Terraform 2026 Complete Comparison: IaC Tool Selection and Migration Strategy
Compares the latest 2026 features, license differences, state encryption, and provider compatibility between OpenTofu and Terraform. Provides practical migration strategies and team adoption guides.
2026-03-14 · 18 min read #devops#opentofu#terraform#iac#2026-03AI Code Review and Quality Management Strategy: AI-Assisted Development Guidelines from the Amazon Case ♪ Listenable
Explores code quality management strategies in AI-assisted development environments, centered on the Amazon AI code review policy case. Covers review automation pipelines and senior engineer approval processes from a pra
2026-03-14 · 21 min read #devops#ai-code-review#code-quality#amazon#developer-productivityAI Coding Agent Sandboxing: Secure Code Execution Isolation and Security Operations Guide ♪ Listenable
As AI coding agent autonomy increases in 2026, security isolation has become essential. Covers practical sandboxing technologies including macOS sandbox-exec, container-based isolation, MicroVM, and operations guides.
2026-03-14 · 23 min read #ai-agent#sandboxing#security#ai-platform#devopsContainer Image Security and Software Supply Chain Protection: A Practical Guide to Trivy, Cosign, SBOM, and Sigstore
A comprehensive guide to the full container image security lifecycle. From vulnerability scanning with Trivy, image signing with Cosign/Sigstore, SBOM generation and management, to the SLSA framework -- implement product
2026-03-13 · 15 min read #devops#container-security#trivy#cosign#sbomGitHub Actions Advanced Patterns: Reusable Workflows, Composite Actions, and Monorepo CI/CD Optimization
Covers advanced GitHub Actions patterns including pipeline templating with Reusable Workflows, reusable step composition with Composite Actions, and monorepo CI/CD optimization using path-filter, matrix, and caching stra
2026-03-12 · 16 min read #devops#github-actions#ci-cd#monorepo#reusable-workflowsArgoCD GitOps Complete Guide: Declarative Kubernetes Deployment with ApplicationSet, Sync Waves, and Hooks
A comprehensive guide to GitOps-based declarative Kubernetes deployment with ArgoCD. Covers ApplicationSet generators, Sync Waves, Hooks for deployment ordering, multi-cluster deployment, RBAC, secrets management, and mo
2026-03-12 · 13 min read #devops#argocd#gitops#applicationset#sync-wavesTerraform State Management and Module Design Practical Guide: Remote Backend, State Locking, Module Patterns, and Drift Detection
Deep analysis of Terraform state file structure, Remote Backend (S3/GCS) configuration, State Locking (DynamoDB) mechanisms, module design patterns (Composition/Registry), and Drift Detection strategies. Covers state con
2026-03-11 · 17 min read #devops#terraform#iac#state-management#module-designGitOps in Practice: ArgoCD vs FluxCD Architecture Comparison and Production Deployment Strategies
From GitOps principles (Single Source of Truth, declarative management, automated reconciliation) through an in-depth comparison of ArgoCD and FluxCD architectures, ApplicationSet/Kustomization Controller, deployment str
2026-03-11 · 12 min read #devops#gitops#argocd#fluxcd#kubernetesComplete Guide to Terraform Module Design Patterns: State Management, Workspaces, and Atlantis Automation
A comprehensive guide covering Terraform module design patterns (Composition, Facade, Factory), remote state management with S3+DynamoDB/GCS/Terraform Cloud, workspace strategies, and GitOps automation with Atlantis. Inc
2026-03-10 · 14 min read #devops#terraform#iac#state-management#atlantisGitOps + Git Workflow Complete Guide — Branch Strategy, PR Rules, and Deployment Pipelines
A comprehensive guide covering GitOps core principles, Git Flow/Trunk-Based branch strategies, PR rules, and ArgoCD deployment pipelines — everything your team needs to implement a structured Git workflow.
2026-03-09 · 17 min read #devops#gitops#git#argocd#ci-cdPractical Guide to Chaos Engineering: Fault Injection and Resilience Validation in Kubernetes with Litmus and Chaos Mesh
A comprehensive guide to applying Chaos Engineering in Kubernetes environments. Covers architecture comparison of Litmus and Chaos Mesh, ChaosExperiment design, Pod/Network/IO fault injection, GameDay operational process
2026-03-09 · 17 min read #devops#chaos-engineering#litmus#chaos-mesh#kubernetesGitHub Actions Advanced CI/CD Workflows — Matrix Builds, Reusable Workflows, Self-hosted Runners
A comprehensive guide to advanced GitHub Actions CI/CD workflows including matrix builds, reusable workflows, self-hosted runner configuration, caching strategies, and secret management with practical examples.
2026-03-09 · 18 min read #devops#github-actions#ci-cd#workflow#2026-03The Complete Guide to TCP/IP Connection Debugging in Production
A practical guide covering TCP 3-way handshake, connection state analysis, SYN flood defense, packet capture with tcpdump/Wireshark, kernel tuning parameters, and real-world debugging scenarios.
2026-03-08 · 15 min read #networking#tcp#ip#troubleshooting#devopsNetwork Troubleshooting Complete Guide — 6-Part Series Overview
An index post for a 6-part series on systematically diagnosing and resolving real-world network issues. Covers every layer from DNS resolution to cloud network architecture.
2026-03-08 · 8 min read #networking#troubleshooting#devops#sreDNS Troubleshooting Complete Guide - From Fundamentals to Kubernetes
Understand how DNS resolution works and learn systematic approaches to debugging common DNS issues in production. Covers dig, nslookup, and other tools, along with Kubernetes CoreDNS troubleshooting with practical exampl
2026-03-08 · 14 min read #networking#dns#troubleshooting#devopsSSL Certificate Operations Playbook: Zero-Downtime Renewal and Expiry Prevention ♪ Listenable
A comprehensive operations playbook covering the entire certificate lifecycle (issuance, deployment, monitoring, renewal, revocation). Covers zero-downtime renewal strategies, Prometheus-based expiry monitoring, incident
2026-03-08 · 21 min read #ssl#certificate#tls#devops#2026-03Pulumi IaC Practical Guide: Cloud Infrastructure Automation with TypeScript ♪ Listenable
A practical guide to Infrastructure as Code with Pulumi and TypeScript. Covers pros and cons vs Terraform, AWS/GCP resource provisioning, stack management, Automation API, and CI/CD integration with code examples.
2026-03-08 · 26 min read #devops#pulumi#iac#typescript#cloudSSL/TLS Certificate Complete Guide: From Issuance to Auto-Renewal and Troubleshooting
A comprehensive practical guide covering SSL/TLS certificate fundamentals, Let's Encrypt automated issuance, Nginx/AWS environment configuration, certificate auto-renewal, and common error resolution.
2026-03-08 · 13 min read #devops#ssl#tls#certificate#security