https://newnol.io.vn/blog Portfolio of Ngô Tấn Tài (Newnol) - Specialist in Cloud DevOps, AI Systems, GitHub Actions, and securing homelab infrastructure with Python and CTF expertise. vi Sun, 24 May 2026 01:25:34 GMT tantai@newnol.io.vn (Ngô Tấn Tài) tantai@newnol.io.vn (Ngô Tấn Tài) https://newnol.io.vn/88440500.png https://newnol.io.vn https://newnol.io.vn/blog/aws-zero-cost-serverless-task-manager https://newnol.io.vn/blog/aws-zero-cost-serverless-task-manager How I built a secure serverless task manager with S3, CloudFront, API Gateway, Lambda, DynamoDB, VPC Endpoints, CloudWatch, and AWS Budgets while staying close to the Free Tier. Thu, 23 Apr 2026 00:00:00 GMT aws serverless lambda dynamodb cloudfront cloudwatch vpc cost-optimization https://newnol.io.vn/blog/review-building-your-first-ai-chatbot https://newnol.io.vn/blog/review-building-your-first-ai-chatbot A hands-on review of AMD AI Academy's Building Your First AI Chatbot lab, covering inference with vLLM, prompt customization, parameter tuning, and building a simple interactive chatbot UI on AMD MI300. Thu, 23 Apr 2026 00:00:00 GMT ai amd ai academy vllm qwen mi300 review https://newnol.io.vn/blog/review-ai-for-everyone https://newnol.io.vn/blog/review-ai-for-everyone Key takeaways from Andrew Ng's AI for Everyone course, including AI fundamentals, transformation strategy, ethics, and how these lessons apply to my future software projects. Wed, 15 Apr 2026 00:00:00 GMT ai andrew ng deeplearning.ai coursera review https://newnol.io.vn/blog/yas-microservices-cicd-workflow https://newnol.io.vn/blog/yas-microservices-cicd-workflow A technical deep-dive into setting up a GitOps workflow for the YAS microservices practice project, focusing on automation steps and real-world troubleshooting. Tue, 07 Apr 2026 00:00:00 GMT devops cicd jenkins argocd kubernetes gitops microservices https://newnol.io.vn/blog/openclaw-personal-ai-operating-layer https://newnol.io.vn/blog/openclaw-personal-ai-operating-layer A practical introduction to OpenClaw for newcomers: what it is, which features actually matter, how it differs from a typical AI chat app, and how I would approach the first install. Thu, 02 Apr 2026 00:00:00 GMT openclaw ai automation devops agent telegram https://newnol.io.vn/blog/openclaw-for-beginners https://newnol.io.vn/blog/openclaw-for-beginners Một bài viết cho người mới bắt đầu với OpenClaw: nó là gì, có những tính năng gì đáng chú ý, khác gì chatbot thường, và cách cài bản đầu để bắt đầu dùng thật. Thu, 02 Apr 2026 00:00:00 GMT openclaw ai automation devops agent telegram https://newnol.io.vn/blog/homelab-infra-automation https://newnol.io.vn/blog/homelab-infra-automation A comprehensive guide on how I fully automated the provisioning and configuration of VMs on Proxmox using Terraform and Ansible with GitOps principles. Sat, 21 Feb 2026 00:00:00 GMT homelab terraform ansible proxmox docker prometheus https://newnol.io.vn/blog/tcp-cubic-vs-bbr-performance https://newnol.io.vn/blog/tcp-cubic-vs-bbr-performance A detailed research into TCP Congestion Control, comparing the performance of Cubic and BBR in high-loss environments using NS-3 simulation. BBR shows significant superiority in throughput and RTT stability. Sun, 25 Jan 2026 00:00:00 GMT networking tcp ns-3 research bbr cubic CSC11004_23MMT https://newnol.io.vn/blog/proxmox-cluster-laptop https://newnol.io.vn/blog/proxmox-cluster-laptop Detailed guide to setting up a powerful Home Lab with a 3-node Proxmox cluster running on a single laptop combined with a Raspberry Pi, for researching High Availability (HA) and Kubernetes. Sun, 25 Jan 2026 00:00:00 GMT homelab proxmox virtualization cluster high-availability https://newnol.io.vn/blog/selfhost-litellm-openwebui https://newnol.io.vn/blog/selfhost-litellm-openwebui Optimize Large Language Model (LLM) usage experience by combining LiteLLM for API management and OpenWebUI for a ChatGPT-like beautiful interface. Sun, 25 Jan 2026 00:00:00 GMT ai selfhost litellm openwebui docker https://newnol.io.vn/blog/dockerfile-optimization https://newnol.io.vn/blog/dockerfile-optimization Chia sẻ kỹ thuật layer caching và multi-stage builds giúp đạt giải Top 2 Dockerfile Contest 2025. Mon, 07 Apr 2025 00:00:00 GMT Docker DevOps Optimization https://newnol.io.vn/blog/overleaf-self-host https://newnol.io.vn/blog/overleaf-self-host Step-by-step guide to self-hosting Overleaf Community Edition with Overleaf Toolkit and Docker: installation, configuration, adding full TeX Live, saving custom image, and operational notes. Fri, 24 Jan 2025 00:00:00 GMT overleaf latex docker self-hosted https://newnol.io.vn/blog/nextjs-14-features https://newnol.io.vn/blog/nextjs-14-features A comprehensive look at key new features in Next.js 14 (stable Server Actions, Turbopack, Partial Prerendering) and how to apply them for better performance, SEO, and DX in production apps. Mon, 15 Jan 2024 00:00:00 GMT Next.js React Web Development JavaScript Performance https://newnol.io.vn/blog/react-performance-optimization https://newnol.io.vn/blog/react-performance-optimization A practical checklist of React performance optimization techniques (React.memo, useMemo, useCallback, code splitting, virtual list, state optimization, and measuring with React DevTools) to make apps smoother and improve Core Web Vitals. Fri, 05 Jan 2024 00:00:00 GMT React Performance Optimization JavaScript Web Development https://newnol.io.vn/blog/database-design-principles https://newnol.io.vn/blog/database-design-principles Database design principles for web apps: normalization (1NF, 2NF, 3NF), when to denormalize, indexing strategies, relationship design, data types, constraints, query optimization, backup, and monitoring. Thu, 28 Dec 2023 00:00:00 GMT Database PostgreSQL SQL Backend Performance Design Patterns https://newnol.io.vn/blog/api-design-best-practices https://newnol.io.vn/blog/api-design-best-practices A checklist for RESTful API design: resource naming, proper HTTP methods & status codes, consistent error format, pagination, filtering, auth, rate limiting, versioning, and documentation with OpenAPI/Swagger. Fri, 15 Dec 2023 00:00:00 GMT API REST Backend Node.js Express Best Practices Web Development