Tag: #devops
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 193 posts
The Complete Guide to Software Testing Strategies — From Unit Tests to Chaos Engineering
Test pyramid, TDD, BDD, unit/integration/E2E testing, performance testing, and chaos engineering. A comprehensive guide to every testing strategy that guarantees software quality.
2026-04-12 · 18 min read #devops#testing#unit-test#integration#e2eAdvanced CI/CD Pipeline Guide — GitHub Actions, ArgoCD, Tekton, and Security Pipelines
Beyond basic build-and-deploy: security scanning, static analysis, container signing, GitOps, and multi-environment deployments. A comprehensive guide to building production-grade CI/CD pipelines.
2026-04-12 · 18 min read #devops#ci-cd#github-actions#argocd#tektonThe Complete Guide to Package Managers — How npm, uv, RPM, and Homebrew Work and How to Publish Software
How does npm work? Why is uv so fast? What is RPM? How do you submit software to Homebrew? A deep dive into how package managers work and how to distribute your own software.
2026-04-12 · 15 min read #devops#npm#uv#rpm#homebrewHow Is Large-Scale Software Developed, Managed, and Maintained? — Including SW Update Systems
How is software with millions of lines of code, developed by thousands of engineers, built, updated, and maintained? A deep dive from architecture to deployment strategies and auto-update systems.
2026-04-11 · 11 min read #devops#software-engineering#architecture#update-system#large-scalePreventing IT Outages & Lab Setup Guide + Global Table Tennis News Analysis
Key elements for preventing IT system outages, effective lab environment setup, and an analysis of global table tennis tournaments and notable players.
2026-04-11 · 14 min read #culture#devops#reliability#sre#table-tennisFlyway & Database Migration Complete Guide 2025: Schema Versioning, ORM Integration, Zero-Downtime Deployment
Everything about DB migration! Flyway (version-based), Liquibase (changeset-based), ORM migrations (Prisma/TypeORM/Alembic/Django), zero-downtime schema changes, rollback strategies, CI/CD integration, K8s migration best
2026-03-25 · 26 min read #flyway#database-migration#schema-management#orm#liquibaseNginx Complete Guide 2025: Reverse Proxy, Load Balancing, SSL, Caching & Security
Everything about Nginx! Event-driven architecture, reverse proxy configuration, load balancing (Round Robin/Least Conn/IP Hash), SSL/TLS setup, caching, rate limiting, WebSocket, Docker/K8s integration, and more.
2026-03-24 · 18 min read #nginx#reverse-proxy#load-balancing#ssl#cachingThe Complete DevSecOps Guide 2025: Shift-Left Security, SAST/DAST/SCA, Container Security
Everything about DevSecOps! Shift-Left security strategy, SAST (SonarQube/Semgrep), DAST (ZAP/Burp), SCA (Snyk/Dependabot), Container security (Trivy), Supply chain security (SBOM/SLSA), Secret detection, GitHub Actions
2026-03-24 · 20 min read #devsecops#security#shift-left#sast#dastGitHub Actions CI/CD Complete Guide: Go Builds, Branch Strategies, and Auto-Deploy
Build production-grade CI/CD pipelines with GitHub Actions for Go projects. Trunk-Based vs GitHub Flow vs Git Flow branch strategies, multi-stage Docker builds, K8s auto-deploy, secret management, matrix builds, and cach
2026-03-23 · 24 min read #github-actions#ci-cd#go#golang#gitDNS Complete Guide: Name Servers, DDNS, nslookup — From Domain Registration to Troubleshooting
Everything about DNS in one post! How name servers work, practical domain registration and transfer guide, running home servers with DDNS, complete nslookup/dig usage, all DNS record types explained, DNS security (DNSSEC
2026-03-23 · 32 min read #dns#nameserver#ddns#nslookup#digCohere Forward Deployed Engineer Complete Guide: Roadmap to Becoming an AI Platform Deployment Specialist
A complete analysis of the Cohere Forward Deployed Engineer (Infrastructure Specialist) JD. From North AI platform deployment, Kubernetes/Helm, hybrid cloud, to enterprise security — tech stack deep dive, 25 interview qu
2026-03-23 · 35 min read #cohere#forward-deployed-engineer#kubernetes#helm#cloud-infrastructureTerraform IaC Complete Guide 2025: Managing AWS/GCP Infrastructure as Code
Complete guide to managing infrastructure as code with Terraform! HCL syntax, Provider/Resource/Module architecture, State management (S3+DynamoDB), Workspaces, Import, Drift Detection, Terragrunt, CI/CD automation, and
2026-03-23 · 17 min read #terraform#iac#aws#gcp#azureMastering Linux Command Line: 100 Essential Commands Every Developer Must Know
The complete Linux command line guide for developers! 100 essential commands for file/process/network management, Bash scripting, grep/awk/sed text processing, SSH tunneling, tmux multiplexing, system monitoring, and rea
2026-03-23 · 27 min read #linux#command-line#bash#shell#devopsCI/CD Best Practices 2025: Pipeline Design, Automation, and Security for Teams
Everything about CI/CD pipelines! GitHub Actions vs Jenkins vs GitLab CI comparison, pipeline design principles, test automation, Docker build optimization, GitOps (ArgoCD), secret management, DORA metrics, and rollback
2026-03-23 · 23 min read #ci-cd#devops#github-actions#jenkins#argocdKubernetes 2025 + Developer Productivity: AI Workloads, FinOps, Platform Engineering Era
AI/ML workloads became first-class citizens in K8s. FinOps for cost visibility, Platform Engineering for self-service infrastructure, and GitOps as the default. 84% of developers use AI tools — the secret behind 21% prod
2026-03-22 · 27 min read #kubernetes#devops#platform-engineering#finops#aiDocker Complete Guide 2025: From Container Basics to Multi-stage Builds, Compose, and Production Deployment
From container internals (namespaces, cgroups) to Dockerfile optimization, 90% image size reduction with multi-stage builds, Docker Compose in practice, security best practices, and CI/CD pipelines — a complete Docker gu
2026-03-22 · 21 min read #docker#container#devops#dockerfile#docker-composeThe Definitive 2025 Developer Study Guide: Tech Stack Roadmaps, Free Resources, and Interview Prep for Every Position
A comprehensive, data-driven study guide covering every tech stack in modern JDs — from algorithms and system design to AI/ML, DevOps, and data engineering. Includes curated free/paid resources, certification prep, and p
2026-03-21 · 38 min read #study-guide#career#learning-resources#coding-test#system-design[DevOps] Complete Guide to Stub and Mocking Servers: From Concepts to Practice
A comprehensive guide covering the differences between Stub and Mock, comparison of major mocking tools (WireMock, MockServer, json-server, Prism), practical setup, and CI/CD integration.
2026-03-20 · 14 min read #devops#testing#mocking#stub#wiremock[DevOps] Let's Encrypt and Certbot Complete Guide: Free TLS Certificates
A comprehensive guide covering Let's Encrypt ACME protocol mechanics, Certbot installation and certificate issuance, DNS/HTTP challenges, automatic renewal setup, and wildcard certificates.
2026-03-20 · 9 min read #devops#tls#ssl#letsencrypt#certbot[Linux] Complete Guide to cgroups: The Core of Container Resource Control
A comprehensive guide to Linux cgroups (Control Groups): concepts, v1 vs v2 differences, CPU/memory/IO/PID limiting, usage in Docker and Kubernetes, and real-world troubleshooting.
2026-03-20 · 22 min read #linux#cgroups#container#kubernetes#devops