Top 10 Bash Scripting Best Practices for Production in 2026
Master the 10 essential Bash scripting best practices for production. Strict mode, error handling, variable quoting, input validation, logging, idempotency, and testing techniques....
Expert tutorials, guides, and tips on Linux, DevOps, and IT Administration
A complete, no-fluff walkthrough of CCNA 200-301: Complete Study Notes โ twelve exam-aligned modules, 50+ diagrams, hands-on labs, and two full practice exams that take you from networking fundamentals to exam-ready....
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....
Master the 10 essential Bash scripting best practices for production. Strict mode, error handling, variable quoting, input validation, logging, idempotency, and testing techniques....
Docker vs Podman comprehensive comparison for 2026. Examine architecture, security, CLI compatibility, performance, ecosystem, and learn which container tool fits your production needs....
Secure your SSH server with these 5 essential steps: disable root login, change the port, use Ed25519 keys, set connection limits with Fail2ban, and restrict access by user and IP....
Learn the Linux terminal from scratch. This beginner-friendly guide covers navigation, file operations, permissions, text processing, pipes, package management, and essential system monitoring commands....
A comprehensive comparison of Red Hat Enterprise Linux, AlmaLinux, and Rocky Linux in 2026. We examine compatibility, support models, licensing, migration paths, and which distribution fits different enterprise scenarios....
An in-depth comparison of Debian and Ubuntu Server in 2026. We analyze stability, release cycles, package management, security, community support, and real-world use cases to help you choose the right distribution for your servers....
Master Linux server security with this comprehensive hardening guide covering SSH, FirewallD vs nftables, kernel security, SELinux/AppArmor, intrusion detection, and complete audit checklists....
A practical guide to building an affordable home lab for IT practice. Learn hardware options, virtualization setup, network configuration, and project ideas to accelerate your IT career....
Master Linux package management across all major distributions with APT, DNF, Zypper, Snap, and Flatpak. Repository management, dependency handling, and automation....
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.