Tag: #devops
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 196 posts
AWS Golden Jacket Complete Guide — 12 Certification Strategy and Study Plan
A complete roadmap for all 12 AWS certifications needed for the Golden Jacket. Covers recommended order, exam difficulty, key services, passing strategies, and practical AWS knowledge that matters in the real world.
2026-03-02 · 8 min read #architecture#aws#certification#golden-jacket#cloudGitHub Actions Advanced CI/CD — Matrix, Cache, Self-hosted Runner
Master advanced GitHub Actions features with practical examples. Parallel builds with Matrix Strategy, build speed optimization with Cache, and cost reduction with custom environments using Self-hosted Runners.
2026-03-02 · 7 min read #github-actions#ci-cd#devops#automation#self-hosted-runnerGrafana + Loki + Promtail Log Pipeline Setup Guide
A hands-on guide to building a lightweight log collection, storage, and visualization pipeline with Grafana, Loki, and Promtail using Docker Compose, including label-based queries and alerting configuration
2026-03-02 · 9 min read #grafana#loki#promtail#observability#loggingArgoCD ApplicationSet and Progressive Rollout: A Practical Guide to GitOps Multi-Cluster Deployment
This post is the multi-cluster operations companion in the GitOps series. It focuses on ApplicationSet, generator design, Progressive Sync, and environment fan-out patterns so staged rollout remains manageable as cluster
2026-03-02 · 7 min read #argocd#gitops#applicationset#progressive-rollout#kubernetesCNPE (Certified Cloud Native Platform Engineer) Complete Guide — From Exam Scope to Production Tech Stack
A detailed analysis of the 5 CNCF CNPE certification domains based on the official curriculum. Covers production tech stacks including ArgoCD, Flux, Crossplane, Backstage, OpenTelemetry, Prometheus, and OPA/Kyverno with
2026-03-01 · 16 min read #kubernetes#cnpe#cncf#platform-engineering#gitopsThe Top 1% Cloud Native Expert Credential: Complete Guide to Achieving Kubestronaut (2026 Latest)
A comprehensive analysis of the 5 certifications required for the official CNCF Kubestronaut title, the 2026 Golden Kubestronaut update, hands-on exam passing strategies, and cost-saving tips.
2026-03-01 · 9 min read #kubernetes#kubestronaut#cncf#cka#ckadThe Complete Tmux Command Guide: Every Command to 10x Your Productivity with a Terminal Multiplexer ♪ Listenable
From Tmux session/window/pane concepts to key bindings, copy mode, plugins, custom configuration (.tmux.conf), pair programming, and SSH remote work — a comprehensive guide to every Tmux command with practical examples.
2026-03-01 · 32 min read #tmux#terminal#linux#multiplexer#productivityCUDA Hands-on Complete Guide: Everything About GPU Computing ♪ Listenable
A comprehensive guide covering NVIDIA CUDA from fundamental concepts to GPU architecture, C/C++ kernel programming, memory optimization, Python integration (PyTorch, Numba, CuPy), Multi-GPU training, profiling, and troub
2026-03-01 · 51 min read #cuda#gpu#nvidia#deep-learning#machine-learningThe Definitive Guide to Next-Generation Digital Identity, SSO, and Keycloak in Practice
Compare SSO architectures and SAML/OAuth2/OIDC standards, then dive into Keycloak production deployment, authentication flows, RBAC/ABAC authorization, LDAP integration, Spring Boot/Next.js integration, and high availabi
2026-03-01 · 12 min read #keycloak#iam#sso#oauth2#oidcBringing Kubernetes to Your Local Machine: 5 Game-Changing Innovations from Podman ♪ Listenable
From Podman daemonless architecture, rootless security model, running K8s YAML locally with play kube, Pod-native management, to Pasta networking — an in-depth analysis from an architect perspective of 5 innovations that
2026-03-01 · 33 min read #podman#container#kubernetes#rootless#daemonlessFive Decisive Strategies for Opening Up the Black Box of Microservices with OpenTelemetry ♪ Listenable
Propagating business context with W3C Baggage, a hybrid automatic/manual instrumentation strategy, cost optimization through tail-based sampling, standardizing on Semantic Conventions, and choosing between OTLP gRPC and
2026-03-01 · 43 min read #opentelemetry#observability#microservices#distributed-tracing#otlpFluent Bit Complete Guide: Architecture, Configuration, and Kubernetes Integration for the Lightweight Log Processor ♪ Listenable
A comprehensive guide covering Fluent Bit lightweight architecture and pipeline (Input, Parser, Filter, Buffer, Output) structure, Kubernetes DaemonSet deployment, log routing, parser configuration, Elasticsearch/Loki/S3
2026-03-01 · 41 min read #fluent-bit#logging#observability#kubernetes#fluentdThe Complete Guide to Terraform & Ansible Commands: Everything About IaC and Configuration Management ♪ Listenable
From Terraform's init through apply, state management, modules, and workspaces, to Ansible's ad-hoc commands, playbooks, roles, Vault, and Galaxy — a systematic write-up of every command in Terraform and Ansible, the two
2026-03-01 · 46 min read #terraform#ansible#iac#configuration-management#devopsNginx Configuration Complete Guide: 15 Essential Topics from Architecture to Production Optimization ♪ Listenable
From Nginx event-driven architecture and configuration structure to reverse proxy, load balancing, SSL/TLS, caching, rate limiting, security headers, performance tuning, and health checks -- a comprehensive guide to 15 e
2026-03-01 · 33 min read #nginx#reverse-proxy#load-balancing#ssl#tlsThe Complete Guide to Docker & Podman Commands: Container Operations, All on One Page ♪ Listenable
From the architectural differences between Docker and Podman to image management, the container lifecycle, networking, volumes, Docker Compose vs Podman Compose, security (rootless), multi-stage builds, and debugging — a
2026-03-01 · 52 min read #docker#podman#container#devops#kubernetesThe Complete Guide to vLLM & Ollama: LLM Serving Engine Setup, Parameters, and Environment Variables ♪ Listenable
A comprehensive deep dive comparing vLLM PagedAttention architecture and Ollama local LLM runtime environments. Covers everything from installation, server startup, API calls, key CLI arguments, sampling parameters, envi
2026-03-01 · 46 min read #vllm#ollama#model-serving#inference#gpu