Career & Certification
CCNA 200-301 Complete Study Notes: Your No-Fluff Path to Passing the Cisco Exam
Jun 24, 2026
·
9 min read
Linux · Windows · Cybersecurity · DevOps · PowerShell
274 Premium eBooks for IT Professionals
Hands-on guides for sysadmins, pentesters & DevOps engineers — from absolute beginners to advanced practitioners. Instant download, lifetime access.
274+ professional IT eBooks
14-day money-back (if not downloaded)
Instant PDF + EPUB download
Secure Stripe checkout
20 days left at this price
Book of the Month
Sep 2026
250 Linux Exercises
Hands-on practice is the fastest way to master Linux. 250 real-world exercises covering commands, scripting, networking, security, and server administration.
€12.90
€29.00
-56% OFF
100% Free – No Credit Card Required
447 Free Professional IT Cheat Sheets 2026
Linux, DevOps, Docker, Kubernetes, Windows, Cybersecurity, Python, AI and more.
4 skill levels • Print-ready PDF • Instant download
447
Cheat Sheets
6,954+
Downloads
4
Skill Levels
PDF
Print-Ready
Quick Reference
FREE
OPERATING SYSTEMS
Linux User & Group Admin Cheat Sheet
792 downloads
Quick Reference
FREE
OPERATING SYSTEMS
Linux Log Management Cheat Sheet
760 downloads
Quick Reference
FREE
OPERATING SYSTEMS
Linux Backup & Recovery Cheat Sheet
602 downloads
Quick Reference
FREE
OPERATING SYSTEMS
Linux Package Management Cheat Sheet
496 downloads
Quick Reference
FREE
OPERATING SYSTEMS
Linux Firewall Cheat Sheet
484 downloads
Quick Reference
FREE
OPERATING SYSTEMS
SSH Commands & Configuration Cheat Sheet
464 downloads
Browse All 447 Cheat Sheets – Free Download
Just your email to download. No spam, unsubscribe anytime.
Save €48.20
Featured Bundle
49% OFF
Linux Mastery Bundle
From absolute beginner to professional Linux admin. 9 comprehensive books covering commands, scripting, networking, security, and advanced troubleshooting — at almost half the price.
€49.90
€98.10
-49% OFF
€5.54/book
Browse by Category
Featured Books
-33%
Parrot OS Fundamentals
Cybersecurity, Privacy, and Ethical Hacking with Parrot Security OS
530 views
€23.90 €15.90
Git & GitHub for Absolute Beginners
A Step-by-Step Introduction to Version Control and Collaboration
521 views
€9.90
-43%
PowerShell 7.x and SQLite Fundamentals
Lightweight Data Storage and Automation with PowerShell and SQLite
537 views
€29.90 €16.90
-32%
PostgreSQL Backup, Replication & High Availability
Designing Resilient, Fault-Tolerant, and Disaster-Ready PostgreSQL Systems
483 views
€18.90 €12.90
-19%
Debian System Administration
Stable, Secure, and Long-Term Management of Debian Linux Systems Author:
558 views
€15.90 €12.90
-32%
MongoDB Fundamentals: Building Scalable NoSQL Applications with Document Databases
451 views
€24.90 €16.90
-48%
Kubernetes Networking & Service Mesh
Designing Secure, Scalable, and Observable Network Architectures for Cloud-Native Systems
503 views
€24.90 €12.90
-27%
-35%
SQLite Fundamentals
Lightweight Embedded Database Design and Development for Modern Applications
466 views
€19.90 €12.90
-27%
TypeScript Fundamentals
Writing Safer and More Scalable JavaScript with TypeScript
574 views
€29.90 €21.90
AI Security Fundamentals
Protecting AI Systems, Large Language Models, and Machine Learning Infrastructure
126 views
€23.90
★ Best Sellers
#1 Bestseller
Local LLMs on Linux
Build, Run, Optimize, and Secure Large Language Models on Your Own Linux Infrastructure
936 views
€16.90
#2 Bestseller
-30%
Linux for Absolute Beginners
A Step-by-Step Guide to Linux Basics, Command Line, File Management, and System Navigation
1,013 views
€9.90 €6.90
-28%
Debian Linux for Absolute Beginners
A step-by-step guide to installing, exploring, and understanding Debian - your gateway into the Linux world.
960 views
€24.90 €17.90
-18%
Linux System Administration Handbook
A Practical Reference for Managing, Securing, and Maintaining Linux Systems
658 views
€16.90 €13.90
-22%
Linux Terminal Basics
A Beginner’s Guide to Command-Line Navigation, File Management, and Shell Commands
702 views
€8.90 €6.90
-20%
Windows Server 2022 Administration
Installing, Configuring, and Managing Modern Windows Server Infrastructure
619 views
€14.90 €11.90
-32%
Linux Virtualization with KVM and QEMU
A Comprehensive Guide to Building and Managing Virtual Machines on Linux
589 views
€27.90 €18.90
-27%
Kubernetes Fundamentals
A Practical Introduction to Container Orchestration with Kubernetes
966 views
€36.90 €26.90
-29%
Microservices with Docker and Kubernetes
Designing, Building, and Operating Cloud-Native Microservices
571 views
€44.90 €31.90
-59%
250 Linux Exercises
Practical Challenges for Command Line Mastery and System Administration
2,114 views
€29.00 €12.00
💬 What Readers Say
Real reviews from verified customers
★★★★★
✓ Verified
Microsoft Intune with PowerShell
“László Bocsó is a Microsoft Trainer whose book Intune Management with PowerShell offers clear, practical guidance across the often-challenging landscape of PowerShell scripting and automation. For anyone aiming to work more efficiently and meet the growing expectation of achieving more in less time, this book is highly useful. It serves as a companion for building automation skills and strengthening day‑to‑day Intune management workflows such as bulk operations on devices using scripts.”
— Nizar Jafferbhoy · Mar 2026
Intune Management with PowerShell
★★★★★
Cool Roundcube section
“HTML pages to customize Roundcube are provided in appendices”
— Thomas B. · Jul 2026
Linux Mail Server from Scratch: Postfix, Dovecot, and Roundcube
★★★★★
Comprehensive mail configuration
“The book gives great details on how to configure a mail server professionally.”
— Thomas B. · Jul 2026
Linux Mail Server Configuration
Latest Releases
NEW
Linux Hardening Fundamentals
A Practical Guide to Securing and Hardening Linux Systems
8 views
€19.90
NEW
Linux Server Migration Handbook
Planning, Migrating, Validating, and Modernizing Linux Infrastructure
15 views
€29.90
NEW
Fail2Ban Fundamentals
A Practical Guide to Protecting Linux Services from Brute-Force Attacks and Automated Abuse
17 views
€19.90
NEW
Broken Linux
A Practical Guide to Diagnosing, Repairing, and Recovering Linux Systems
115 views
€29.90
NEW
AI API Security
Securing AI APIs, LLM Services, AI Agents, and Enterprise AI Platforms
109 views
€23.90
NEW
Bundle Deals
Save more when you buy books together
Daily IT Tip
Browse All Tips →From the Blog
View All Articles →
Why Dargslan?
Not just another PDF dump — built by IT pros, for IT pros.
📚
Curated by IT pros
Every book hand-picked by sysadmins & engineers — no fluff, no AI-generated junk.
⚡
Instant download
PDF + EPUB delivered to your inbox seconds after checkout. Lifetime access, no DRM lock-in.
💰
Best price guarantee
Find it cheaper elsewhere within 30 days? We'll refund the difference — no questions.
🌍
8 languages
EN, DE, FR, IT, ES, PT, NL, HU — learn in your native language, not just English.
Frequently Asked Questions
What is Dargslan?
Dargslan is a professional eBook store specializing in IT and technology books. We offer 274+ eBooks covering Linux, Python, DevOps, Networking, Databases, Security, Cloud Computing, and more — all as instant digital downloads in PDF and ePub format.
What formats are the eBooks available in?
All our eBooks are available as DRM-free digital downloads. Most titles come in PDF format, and many also offer ePub. You can read them on any device — computer, tablet, phone, or e-reader — with no restrictions on how you use your purchased books.
How do I download my eBooks after purchase?
After completing your purchase via Stripe or PayPal, you will receive an email with a secure download link. You can also access all your purchased books anytime from your customer account library. Downloads are available immediately after payment.
Do you offer discounts or bundle deals?
Yes! New users get 20% off their first purchase with code NEWUSER20. We also offer a Bundle Builder where you can combine multiple books and save up to 25%. Check our curated book series for structured learning paths at discounted prices.
Can I get a refund on digital purchases?
If you experience technical issues with your download, our support team will help resolve the problem or provide a refund. Since these are digital products, we ask that you contact us within 14 days of purchase.
Are the eBooks regularly updated?
Yes, we continuously add new titles and update existing ones to reflect the latest technologies and best practices. Our collection currently includes 274+ books with new releases added regularly.
Do you offer free eBooks?
Yes! We offer a selection of free eBooks on topics like Linux, Networking, Docker, and Bash Scripting. Visit our Free eBooks page to download them — just create a free account to get instant access.