# Dargslan > Dargslan is an online eBook store specializing in professional IT and technology books. We offer 268+ premium eBooks covering Linux, DevOps, Cloud Computing, Cybersecurity, Python, PowerShell, Databases, Web Development, and IT Administration. All books are available as instant digital downloads in PDF format with lifetime access. We also provide 447 free cheat sheets, 661+ blog articles and guides, a Daily IT Tips section, an IT glossary with 440+ terms, 232 Linux command references, reading lists, curated book bundles, and interactive quizzes. Updated: August 2026. ## About Dargslan provides high-quality, practical eBooks written by experienced IT professionals for system administrators, DevOps engineers, developers, and IT learners. Based in Europe (Slovakia), we serve a global English-speaking audience. Our content is written by 21 expert authors with real-world enterprise experience. - Website: https://dargslan.com - 268+ published eBooks - 46 categories across 8 main topics - 661+ blog articles with tutorials and guides - 447 free cheat sheets (PDF downloads) - 440+ IT glossary terms - 232 Linux command references - 71+ Daily IT Tips - 21 expert authors - 18 curated book bundles - 15 book series - 12 reading lists - 12 interactive quizzes - 10 learning paths - Instant PDF download after purchase - Secure payments via Stripe and PayPal ## Main Sections - [All Books](https://dargslan.com/books): Browse our complete catalog of 268+ eBooks - [Blog](https://dargslan.com/blog): 661+ free articles, tutorials, and IT guides - [Cheat Sheets](https://dargslan.com/cheat-sheets): 447 free PDF cheat sheets for IT professionals - [Daily IT Tips](https://dargslan.com/daily): Daily practical tips for system administrators and DevOps engineers - [Book Bundles](https://dargslan.com/bundles): 18 curated book bundles with discounts up to 25% - [Book Series](https://dargslan.com/series): 15 structured learning series - [Reading Lists](https://dargslan.com/reading-lists): 12 curated learning paths by topic and skill level - [Learning Paths](https://dargslan.com/learning-paths): 10 structured paths from beginner to advanced - [IT Glossary](https://dargslan.com/glossary): 440+ IT terms explained clearly - [Linux Commands](https://dargslan.com/learn): 232 essential Linux command references - [Quizzes](https://dargslan.com/quizzes): 12 interactive IT knowledge quizzes - [Authors](https://dargslan.com/authors): Meet our 21 expert authors - [Free Books](https://dargslan.com/free-books): Free eBooks to get started - [Bestsellers](https://dargslan.com/bestsellers): Our most popular eBooks - [New Releases](https://dargslan.com/new-releases): Recently published eBooks ## Top Categories - [DATA & AI](https://dargslan.com/category/data-ai): 21 books. The Data & AI category features professional digital books focused on data processing, ana... - [Linux Administration](https://dargslan.com/category/linux-administration): 19 books. The Linux Administration category features professional digital books focused on managing,... - [Python](https://dargslan.com/category/python): 18 books. The Python category features professional digital books focused on learning and mastering ... - [PowerShell](https://dargslan.com/category/powershell): 17 books. The PowerShell category features professional digital books focused on automation, scripti... - [Linux Fundamentals](https://dargslan.com/category/linux-fundamentals): 15 books. The Linux Fundamentals category features professional digital books focused on learning th... - [Linux Security](https://dargslan.com/category/linux-security): 13 books. The Linux Security category features professional digital books focused on protecting Linu... - [NETWORKING & SECURITY](https://dargslan.com/category/networking-security): 12 books. The Networking & Security category features professional digital books focused on building... - [Debian / Ubuntu](https://dargslan.com/category/debian-ubuntu): 10 books. The Debian / Ubuntu category features professional digital books focused on working with D... - [Linux Servers](https://dargslan.com/category/linux-servers): 10 books. The Linux Servers category features professional digital books focused on deploying, confi... - [CyberSecurity](https://dargslan.com/category/cybersecurity): 9 books. The CyberSecurity category features professional digital books focused on protecting syste... - [RHEL / AlmaLinux](https://dargslan.com/category/rhel-almalinux): 8 books. The RHEL / AlmaLinux category features professional digital books focused on enterprise Li... - [AWS (Amazon Web Services)](https://dargslan.com/category/aws-amazon-web-services): 7 books. Amazon Web Services is the largest cloud platform on earth, hosting more than 30% of all p... - [Linux Certification](https://dargslan.com/category/linux-certification): 7 books. The Linux Certification category features professional digital books focused on preparing ... - [Linux Networking](https://dargslan.com/category/linux-networking): 7 books. The Linux Networking category provides professional digital books focused on configuring, ... - [PHP](https://dargslan.com/category/php): 7 books. The PHP category features professional digital books focused on building dynamic websites ... ## Main Topic Areas - [OPERATING SYSTEMS](https://dargslan.com/category/operating-systems): 132 books - [PROGRAMMING & DEVELOPMENT](https://dargslan.com/category/programming-development): 50 books - [DATA & AI](https://dargslan.com/category/data-ai): 21 books - [NETWORKING & SECURITY](https://dargslan.com/category/networking-security): 21 books - [CLOUD COMPUTING](https://dargslan.com/category/cloud-computing): 14 books - [DEVOPS & INFRASTRUCTURE](https://dargslan.com/category/devops-infrastructure): 14 books - [DATABASES](https://dargslan.com/category/databases): 13 books - [English for IT](https://dargslan.com/category/english-for-it): 2 books ## Machine-Readable Resources - [Catalog API](https://dargslan.com/api/catalog.json): Full JSON catalog with all books, categories, bundles, and series (Schema.org DataFeed) - [AI Plugin Manifest](https://dargslan.com/.well-known/ai-plugin.json): OpenAI plugin manifest - [Detailed catalog (text)](https://dargslan.com/llms-full.txt): Full book catalog with descriptions, prices, and author info - [Sitemap](https://dargslan.com/sitemap.xml): XML sitemap - [Image Sitemap](https://dargslan.com/sitemap-images.xml): Image sitemap for book covers and blog images ## Optional - [Best Books](https://dargslan.com/best-books): Top-rated books by category - [Books by Role](https://dargslan.com/books-for): Recommended books for specific IT roles (SysAdmin, DevOps, Developer, etc.) - [Compare Books](https://dargslan.com/compare): Side-by-side book comparison tool - [Bundle Builder](https://dargslan.com/bundle-builder): Mix & match books and save up to 25% - [Gift Cards](https://dargslan.com/gift-cards): Digital gift cards for IT learners - [About Us](https://dargslan.com/about): Learn more about Dargslan - [Contact](https://dargslan.com/contact): Get in touch