Apache Virtual Hosts: Hosting Multiple Websites on One Linux Server
Configure Apache virtual hosts to run multiple websites on a single server. Learn name-based and IP-based hosting, SSL setup, directory permissions, and troubleshooting....
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....
Configure Apache virtual hosts to run multiple websites on a single server. Learn name-based and IP-based hosting, SSL setup, directory permissions, and troubleshooting....
A comprehensive guide to cybersecurity in 2026 covering AI-powered threats, Zero Trust architecture, cloud security, Linux hardening, SIEM monitoring, incident response, OWASP Top 10, compliance frameworks, and essential security tools. Free 12-page PDF included....
Level up your Git productivity with these 10 time-saving commands. From interactive staging to history rewriting, these techniques will make you a Git power user....
Download our free 10-page Nmap cheat sheet PDF covering 100+ commands: port scanning, NSE scripts, firewall evasion, vulnerability scanning, OS detection, and real-world scenarios....
Discover our collection of 6 completely free interactive IT tools โ from finding your ideal Linux distribution to assessing your DevOps readiness and choosing the right cloud provider. Each tool provides personalized recommendations based on your answers....
Write professional, maintainable Bash scripts following 2026 best practices....
Master Linux file permissions with this comprehensive guide covering the rwx model, octal and symbolic notation, chmod, chown, chgrp commands, special permissions (SUID, SGID, sticky bit), umask defaults, Access Control Lists, directory permission differences, SELinux integration, security auditing, and professional best practices....
Build a complete monitoring stack with Prometheus and Grafana....
Master Linux backup and recovery with rsync, tar, Borg, restic, LVM snapshots, and automated backup scripts. Complete disaster recovery planning guide....
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.