Blog
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 3517 posts
#2026-03 765#english 592#culture 264#deep-dive 254#kubernetes 247#career 229#ai 216#llm 208#devops 193#2026-04 146#security 141#database 114#observability 113#communication 109#history 107#architecture 100#productivity 96#finance 88#economy 84#mindset 81#psychology 80#ai-papers 79#food 78#it 78#travel 78#deep-learning 77#japanese 77#networking 77#performance 72#business-travel 70#linux 70#gpu 69#ai-agent 66#cs-fundamentals 63#postgresql 60#rag 58#self-improvement 55#learning 53#mlops 53#ai-platform 51
LLM Fine-tuning Complete Guide: Master LoRA, QLoRA, RLHF, and DPO
A complete guide covering every LLM fine-tuning technique. From Full Fine-tuning to LoRA, QLoRA, RLHF, DPO, and Instruction Tuning — master them all with HuggingFace PEFT and hands-on examples.
2026-03-17 · 21 min read #llm#fine-tuning#lora#qlora#rlhfComplete Guide to Korean NLP and LLM: Mastering KoBERT, KLUE, HyperCLOVA, and EXAONE
A comprehensive guide to Korean NLP and LLM covering KoBERT, KLUE, HyperCLOVA, and EXAONE.
2026-03-17 · 27 min read #korean-nlp#kobert#klue#hyperclova#exaoneLLM Pretraining & Scaling Laws: From Chinchilla to Flash Attention and MoE
A complete guide to LLM pretraining: Chinchilla scaling laws, Common Crawl data pipelines, Flash Attention 2, GQA, MoE architectures, and the latest pretraining recipes from DeepSeek-V3, Llama 3.1, and phi-4.
2026-03-17 · 14 min read #llmpretraining#scalinglaws#chinchilla#flash-attention#mixtralmoeCKS (Certified Kubernetes Security Specialist) Complete Practice Exam
Full CKS practice exam with 55 conceptual MCQs and 10 hands-on scenarios covering all domains: Cluster Setup, Hardening, System Hardening, Microservice Vulnerabilities, Supply Chain Security, and Runtime Security.
2026-03-17 · 26 min read #kubernetes#cks#kubernetes-security#certification#cloudsecurityKCNA Kubernetes and Cloud Native Associate Practice Exam: 60 Questions
A full 60-question KCNA practice exam covering all domains: Kubernetes Fundamentals, Container Orchestration, Cloud Native Architecture, Observability, and Application Delivery. Complete preparation for the Kubestronaut
2026-03-17 · 25 min read #kubernetes#kcna#cncf#cloud-native#certificationKubernetes CKA Certification Practice Exam (55 Questions + 10 Practical Simulations)
Comprehensive CKA (Certified Kubernetes Administrator) practice exam with 55 multiple-choice questions and 10 hands-on practical simulations covering all exam domains: cluster architecture, workloads, networking, storage
2026-03-17 · 26 min read #kubernetes#cka#certification#cloud-native#devopsGPU Hardware Complete Guide for AI: From Architecture to Selection Criteria
A comprehensive guide to GPU hardware for AI research and training. Covers NVIDIA GPU architectures (Hopper, Blackwell), Tensor Core, NVLink, HBM memory, A100/H100/H200/B200 comparisons, and cloud GPU options in detail.
2026-03-17 · 23 min read #gpu#hardware#nvidia#cuda#gpu-cudaAI Hardware Accelerators Complete Guide: H100, TPU, Cerebras, and Edge AI Chips Compared
A comprehensive comparison guide covering NVIDIA H100 Tensor Core, Google TPU v5 systolic array, Cerebras WSE-3, AWS Inferentia 2, and Apple Neural Engine for AI hardware accelerators.
2026-03-17 · 17 min read #ai-hardware#h100#tpu#cerebras#edge-aiM&A Complete Guide: Mergers & Acquisitions Terminology, Equity Structure, and Acquisition Methods
Complete guide to corporate M&A — key terminology, equity structures, acquisition methods (friendly/hostile), Due Diligence, valuation methods, post-merger integration (PMI), defense strategies, and Korean M&A case studi
2026-03-17 · 21 min read #m-and-a#corporate-finance#due-diligence#lbo#hostile-takeoverKorea Business Tax Complete Guide: VAT, Cash Receipts, and Tax Refunds
A practical guide for sole proprietors and corporations in Korea covering VAT filing, cash receipt obligations, input tax deductions, and how to claim tax refunds.
2026-03-17 · 20 min read #부가세#현금영수증#세금환급#business-owner#tax-savingThe Complete Guide to Asset Allocation: Portfolio Strategy to Rebalancing
A comprehensive guide covering Modern Portfolio Theory, efficient frontier, asset class analysis, strategic vs tactical allocation, All-Weather and Permanent Portfolio concepts, ETF implementation, rebalancing strategies
2026-03-17 · 26 min read #asset-allocation#portfolio#investment#rebalancing#etfGPU Memory Management & LLM Inference Optimization: vLLM, PagedAttention, GPTQ, TensorRT-LLM
A complete guide to LLM inference optimization covering HBM memory hierarchy, KV cache calculations, PagedAttention, GPTQ/AWQ quantization, continuous batching, and vLLM vs TensorRT-LLM comparison.
2026-03-17 · 16 min read #gpumemory#llminference#vllm#paged-attention#gptqAdvanced CUDA GPU Programming: Warp Optimization, Tensor Cores, and Triton Kernels
A comprehensive deep dive into CUDA memory hierarchy, Warp optimization, Tensor Core WMMA API, Flash Attention implementation, and Triton custom kernel authoring for accelerating AI model training.
2026-03-17 · 19 min read #cuda#gpuprogramming#tensorcore#triton#flash-attentionCUDA Programming Complete Guide: GPU Parallel Computing Zero to Hero
A comprehensive guide to mastering CUDA programming from fundamentals to advanced optimization. Covers GPU architecture, kernel writing, memory optimization, mixed precision training, and cuDNN/cuBLAS usage with practica
2026-03-17 · 30 min read #cuda#gpu#gpu-cuda#parallel-computing#nvidiaPersonal Finance & Wealth Building: The Complete Guide
A comprehensive guide to personal finance covering net worth calculation, budgeting strategies, emergency funds, debt management, wealth-building stages, tax optimization, and Python tools for financial planning.
2026-03-17 · 24 min read #personal-finance#budgeting#wealth-building#tax-optimization#fireComplete Guide to Korean Pension System: NPS, IRP, DC/DB Retirement Pension & ISA Strategy
A comprehensive guide to Korea's three-tier pension system covering NPS, DC/DB retirement pensions, IRP, and ISA. Learn contribution strategies, tax credit optimization, life-stage portfolio design, and Python retirement
2026-03-17 · 21 min read #pension#nps#irp#retirement#dcComplete Guide to Dividend Investing: Building Passive Income Streams
A comprehensive guide to dividend investing from fundamentals to advanced strategies. Learn how to select Dividend Aristocrats and Kings, build ETF strategies, optimize taxes, and use Python simulations to build lasting
2026-03-17 · 20 min read #dividend-investing#passive-income#dividend-etf#schd#jepiPractical Tax Strategy and Government Support Guide for Korean Startup Founders
A comprehensive practical guide for Korean startup founders covering the tax roadmap by startup stage, youth startup tax exemptions, government grant utilization, corporate card expense management, and social insurance r
2026-03-17 · 26 min read #창업#스타트업#세금전략#정부지원#창업지원Korea Business Expense Deduction and Tax Saving Complete Guide 2026
A practical 2026 tax guide for sole proprietors and corporations in Korea covering the complete list of deductible expenses, income tax and corporate tax reduction strategies, social insurance savings, and the amended re
2026-03-17 · 24 min read #expense-deduction#tax-saving#business-owner#종합소득세#법인세Operating GitHub Actions ARC: Ephemeral Runners, Scale Sets, and Security Boundaries
A practical ARC guide covering runner scale set boundaries, ephemeral runner strategy, image management, network and secret isolation, and the operational signals that matter in production.
2026-03-17 · 4 min read #devops#github-actions#actions-runner-controller#arc#self-hosted-runner