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
268 Premium eBooks for IT Professionals
Hands-on guides for sysadmins, pentesters & DevOps engineers — from absolute beginners to advanced practitioners. Instant download, lifetime access.
268+ professional IT eBooks
14-day money-back (if not downloaded)
Instant PDF + EPUB download
Secure Stripe checkout
14 days left at this price
Book of the Month
Aug 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
6,917+
Downloads
4
Skill Levels
PDF
Print-Ready
Quick Reference
FREE
OPERATING SYSTEMS
Linux User & Group Admin Cheat Sheet
788 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
483 downloads
Quick Reference
FREE
OPERATING SYSTEMS
SSH Commands & Configuration Cheat Sheet
463 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
-30%
Linux for Absolute Beginners
A Step-by-Step Guide to Linux Basics, Command Line, File Management, and System Navigation
903 views
€9.90 €6.90
-48%
Python Barcodes: A Comprehensive Guide to Understanding, Generating, and Decoding
427 views
€18.90 €9.90
NEW
RAG Fundamentals
Building Retrieval-Augmented Generation Applications with Large Language Models
59 views
€18.90
-22%
Linux System Hardening
A Step-by-Step Guide to Securing Your Linux Servers and Workstations
544 views
€17.90 €13.90
-52%
SOC Analyst Fundamentals
Monitoring, Detecting, and Responding to Security Threats in Modern Environments
440 views
€24.90 €11.90
-23%
SELinux & AppArmor Guide
Practical Mandatory Access Control for Securing Linux Systems
576 views
€21.90 €16.90
-20%
Windows Server 2022 Administration
Installing, Configuring, and Managing Modern Windows Server Infrastructure
549 views
€14.90 €11.90
-32%
Podman Fundamentals
Running Rootless Containers and Managing Container Workflows on Linux
340 views
€18.90 €12.90
-30%
PowerShell for Active Directory
Automating User, Group, and Directory Management in Enterprise Environments
510 views
€32.90 €22.90
★ Best Sellers
#2 Bestseller
Local LLMs on Linux
Build, Run, Optimize, and Secure Large Language Models on Your Own Linux Infrastructure
493 views
€16.90
#3 Bestseller
-28%
Debian Linux for Absolute Beginners
A step-by-step guide to installing, exploring, and understanding Debian - your gateway into the Linux world.
868 views
€24.90 €17.90
-30%
Linux for Absolute Beginners
A Step-by-Step Guide to Linux Basics, Command Line, File Management, and System Navigation
903 views
€9.90 €6.90
-18%
Linux System Administration Handbook
A Practical Reference for Managing, Securing, and Maintaining Linux Systems
591 views
€16.90 €13.90
-22%
Linux Terminal Basics
A Beginner’s Guide to Command-Line Navigation, File Management, and Shell Commands
616 views
€8.90 €6.90
-20%
Windows Server 2022 Administration
Installing, Configuring, and Managing Modern Windows Server Infrastructure
549 views
€14.90 €11.90
-32%
Linux Virtualization with KVM and QEMU
A Comprehensive Guide to Building and Managing Virtual Machines on Linux
533 views
€27.90 €18.90
-27%
Kubernetes Fundamentals
A Practical Introduction to Container Orchestration with Kubernetes
874 views
€36.90 €26.90
-29%
Microservices with Docker and Kubernetes
Designing, Building, and Operating Cloud-Native Microservices
507 views
€44.90 €31.90
-30%
PostgreSQL for Developers: Queries, Functions & Triggers
Writing Efficient SQL, Building Server-Side Logic, and Optimizing Database Workflows
442 views
€16.90 €11.90
-38%
Linux Backup Automation with rsync & Borg
Designing Secure, Efficient, and Fully Automated Backup Systems on Linux
457 views
€23.90 €14.90
💬 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
AI API Security
Securing AI APIs, LLM Services, AI Agents, and Enterprise AI Platforms
28 views
€23.90
NEW
NEW
NEW
RAG Fundamentals
Building Retrieval-Augmented Generation Applications with Large Language Models
59 views
€18.90
NEW
AI Engineering Fundamentals
Designing, Building, Deploying, and Operating Modern AI Applications
62 views
€18.90
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 268+ 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 268+ 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.