Tag: #devops

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• ArgoCD 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#kubernetes

• CNPE (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#gitops

• The 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#ckad

• The Complete Tmux Command Guide: Every Command to 10x Your Productivity with a Terminal Multiplexer

  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#productivity

• CUDA Hands-on Complete Guide: Everything About GPU Computing

  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-learning

• The 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#oidc

• Bringing Kubernetes to Your Local Machine: 5 Game-Changing Innovations from Podman

  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#daemonless

• Five Decisive Strategies for Opening Up the Black Box of Microservices with OpenTelemetry

  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#otlp

• Fluent Bit Complete Guide: Architecture, Configuration, and Kubernetes Integration for the Lightweight Log Processor

  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#fluentd

• The Complete Guide to Terraform & Ansible Commands: Everything About IaC and Configuration Management

  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#devops

• Nginx Configuration Complete Guide: 15 Essential Topics from Architecture to Production Optimization

  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#tls

• The Complete Guide to Docker & Podman Commands: Container Operations, All on One Page

  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#kubernetes

• The Complete Guide to vLLM & Ollama: LLM Serving Engine Setup, Parameters, and Environment Variables

  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