Kubernetes vs Docker Swarm in 2026: Which Container Orchestrator Should You Choose?
An in-depth comparison of Kubernetes and Docker Swarm for container orchestration in 2026....
Expert tutorials, guides, and tips on Linux, DevOps, and IT Administration
A focused, eight-volume curriculum that teaches absolute beginners the Linux skills that actually matter โ the command line, files, scripts, packages, networking, monitoring, security, and the daily work of administration. One volume per concept, in order, with no jargon and no detours....
A practical, opinionated 2026 roadmap to take you from "I have never opened a terminal" to "I run hardened Linux servers in production." Eight books, three stages, one straight line โ and a study schedule you can actually finish in twelve weeks....
Explore the complete Dargslan open-source IT ecosystem: 120 Linux PyPI packages, 119 Windows Python CLI tools, 120 PowerShell modules on PSGallery, and organized GitHub repositories. Free, professional-grade tools for sysadmins, DevOps engineers, and cybersecurity professionals....
An in-depth comparison of Kubernetes and Docker Swarm for container orchestration in 2026....
Learn how to dramatically improve your PostgreSQL database performance with proven optimization techniques. From query analysis with EXPLAIN ANALYZE to indexing strategies, connection pooling, and configuration tuning โ this comprehensive guide covers everything you need....
Discover how Ansible can transform your infrastructure management. This beginner-friendly guide covers installation, inventory files, playbooks, roles, and real-world automation examples to get you productive with Ansible in hours, not weeks....
Replace password-based SSH login with secure key authentication. Learn to generate key pairs, configure sshd_config, set up ssh-agent, and manage keys across your entire infrastructure....
Start with Natural Language Processing in Python using NLTK and spaCy. Learn tokenization, POS tagging, named entity recognition, sentiment analysis, and text classification....
Complete cheat sheet for configuring AI MCP servers. Covers Claude Desktop, VS Code, Cursor setup, TypeScript/Python server development, SSE transport, security best practices, and production deployment. Free 14-page PDF included....
Master Google Cloud Platform in 2026: Compute Engine, GKE, Cloud Run, BigQuery, Cloud SQL, Cloud Functions, Vertex AI, networking, IAM, and cost optimization. Complete guide with gcloud CLI commands and certification paths....
Master Microsoft Azure in 2026: virtual machines, AKS, Azure SQL, App Service, Functions, networking, identity, Key Vault, monitoring, and cost management. Complete guide with CLI commands and certification paths....
Learn everything about container registries in 2026: Docker Hub, GitHub Container Registry, AWS ECR, Google Artifact Registry, Azure ACR, and self-hosted Harbor. Complete comparison with security best practices and CI/CD integration....
Welcome to the Dargslan Tech Blog โ long-form, hands-on articles for engineers who run real systems in production. We publish every week on Linux administration, DevOps tooling, cloud architecture, cybersecurity, Python automation, Windows Server, and the practical day-to-day skills that separate junior sysadmins from senior platform engineers. Every post is written by working professionals, includes copy-pasteable code and configuration files, and is updated whenever upstream tools release breaking changes.
There is no shortage of tech blogs on the internet, but most fall into one of two traps: shallow listicles written by people who have never touched the tools, or 30-page corporate whitepapers designed to sell a product. Our articles sit in the middle โ long enough to actually solve your problem, short enough to read with a coffee, and always grounded in working examples you can run in your own terminal. We don't write filler, we don't gate content behind email forms, and we never publish AI-generated slop without expert review.
Our writers come from a sysadmin, SRE, and DevOps background and have shipped production systems for fintech, healthcare, telco, and SaaS companies across Europe and North America. When you read a tutorial here, you're reading what someone actually did at 2am during an incident โ not a sanitized vendor case study.
Subscribe to our RSS feed, follow the tech news section, or grab the daily IT tip for a steady stream of practical knowledge. If long-form learning is more your style, our companion eBook library covers every topic from this blog in 200-500 page depth, with downloadable code repositories and lifetime updates.