tmux Complete Guide: The Ultimate Terminal Multiplexer (2026)
Complete guide to tmux: sessions, windows, panes, copy mode, plugins, and .tmux.conf configuration. Free 8-page PDF cheat sheet included....
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....
Complete guide to tmux: sessions, windows, panes, copy mode, plugins, and .tmux.conf configuration. Free 8-page PDF cheat sheet included....
Side-by-side comparison of managing Linux vs Windows servers from Mac. Protocols, tools, workflows, and when to use each. Free 6-page PDF cheat sheet included....
Complete guide to managing Windows Servers from Mac. Covers RDP setup, PowerShell Remoting, SSH (Windows 2019+), Active Directory, Azure CLI, and Windows Admin Center....
Complete guide to managing Linux servers from macOS. Covers SSH configuration, key-based auth, SCP/rsync file transfer, tmux, remote monitoring, and the best Mac tools for Linux administration....
Master Linux disk and storage management with this comprehensive guide covering partitioning, LVM, RAID, filesystems, mounting, and storage monitoring....
Complete Linux interview preparation guide comparing beginner, intermediate, and advanced levels. 80 questions total with downloadable PDF cheat sheets. Know exactly what to expect at each career stage....
25 expert-level Linux interview questions covering kernel internals, eBPF, advanced networking, security architecture, performance engineering, and HA design for senior and staff engineer positions....
30 mid-level Linux interview questions covering system administration, security hardening, performance troubleshooting, networking, automation, and monitoring for sysadmin and DevOps roles....
Master the 25 most commonly asked beginner Linux interview questions. Covers file system, permissions, user management, networking, package management, and shell basics with practical command examples....
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.