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
252 Premium eBooks for IT Professionals
Hands-on guides for sysadmins, pentesters & DevOps engineers — from absolute beginners to advanced practitioners. Instant download, lifetime access.
252+ professional IT eBooks
14-day money-back (if not downloaded)
Instant PDF + EPUB download
Secure Stripe checkout
3 days left at this price
Book of the Month
July 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
6,875+
Downloads
4
Skill Levels
PDF
Print-Ready
Quick Reference
FREE
OPERATING SYSTEMS
Linux User & Group Admin Cheat Sheet
787 downloads
Quick Reference
FREE
OPERATING SYSTEMS
Linux Log Management Cheat Sheet
759 downloads
Quick Reference
FREE
OPERATING SYSTEMS
Linux Backup & Recovery Cheat Sheet
601 downloads
Quick Reference
FREE
OPERATING SYSTEMS
Linux Package Management Cheat Sheet
495 downloads
Quick Reference
FREE
OPERATING SYSTEMS
Linux Firewall Cheat Sheet
482 downloads
Quick Reference
FREE
OPERATING SYSTEMS
SSH Commands & Configuration Cheat Sheet
462 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
-17%
Windows PKI & Certificates
Designing, Deploying, and Managing Certificate Services in Windows Environments
476 views
€17.90 €14.90
-28%
Linux Firewall Configuration
Practical Firewall Setup, Hardening, and Troubleshooting for Linux Systems
539 views
€17.90 €12.90
-21%
Linux Security Hardening
A Practical Guide to Securing Linux Systems in Production
525 views
€18.90 €14.90
-29%
Azure Active Directory (Microsoft Entra ID)
Identity, Access, and Security Management in the Cloud (Microsoft Entra ID)
470 views
€34.90 €24.90
-28%
Linux Automation with Cron, Systemd Timers & Scripts
Automating System Administration Tasks with Reliable Scheduling and Shell Scripts
333 views
€17.90 €12.90
-23%
Active Directory Fundamentals
Core Concepts, Architecture, and Administration of Active Directory
455 views
€12.90 €9.90
-44%
CodeIgniter Framework Fundamentals
Building Fast and Lightweight PHP Applications with Clean MVC Architecture
366 views
€22.90 €12.90
-45%
Linux+ CompTIA Certification Guide
Comprehensive Exam Preparation for the CompTIA Linux+ Certification
407 views
€19.90 €10.90
-29%
-19%
Linux DNS & DHCP Services
Designing, Configuring, and Operating DNS and DHCP Infrastructure on Linux
556 views
€15.90 €12.90
★ Best Sellers
#1 Bestseller
-28%
Debian Linux for Absolute Beginners
A step-by-step guide to installing, exploring, and understanding Debian - your gateway into the Linux world.
752 views
€24.90 €17.90
#2 Bestseller
-30%
Linux for Absolute Beginners
A Step-by-Step Guide to Linux Basics, Command Line, File Management, and System Navigation
804 views
€9.90 €6.90
#3 Bestseller
-22%
Linux Terminal Basics
A Beginner’s Guide to Command-Line Navigation, File Management, and Shell Commands
548 views
€8.90 €6.90
-18%
Linux System Administration Handbook
A Practical Reference for Managing, Securing, and Maintaining Linux Systems
533 views
€16.90 €13.90
-32%
Linux Virtualization with KVM and QEMU
A Comprehensive Guide to Building and Managing Virtual Machines on Linux
469 views
€27.90 €18.90
-47%
PowerShell and Microsoft Graph API
Automating Cloud Administration - 2nd Edition
245 views
€14.90 €7.90
-20%
Linux Troubleshooting Techniques
A Practical Guide to Diagnosing and Resolving Common Linux System Issues
609 views
€14.90 €11.90
-22%
Linux System Administration for Beginners
A Practical Step-by-Step Guide to Managing Linux Servers, Users, Filesystems, and Services
455 views
€13.90 €10.90
-23%
Linux Security Essentials
Fundamentals of Securing Linux Systems, Users, and Services
672 views
€12.90 €9.90
-19%
Linux DNS & DHCP Services
Designing, Configuring, and Operating DNS and DHCP Infrastructure on Linux
556 views
€15.90 €12.90
💬 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
C Programming Fundamentals
A Complete Beginner's Guide to the C Programming Language
26 views
€17.90
NEW
Hosting Fundamentals
A Complete Guide to Building, Securing, and Managing Modern Hosting Infrastructure
33 views
€25.90
NEW
LDAP Fundamentals
A Complete Guide to Lightweight Directory Access Protocol and Directory Services
33 views
€18.90
NEW
AI Security
Securing Large Language Models, Machine Learning Systems, AI Agents, and Enterprise AI Infrastructure
25 views
€26.90
NEW
AI Security Fundamentals
Protecting AI Systems, Large Language Models, and Machine Learning Infrastructure
24 views
€23.90
NEW
CrowdSec Fundamentals
Modern Threat Detection, Collaborative Security, and Automated Protection for Linux Servers
81 views
€15.95
NEW
pfSense Fundamentals
Building, Securing, and Managing Firewalls, VPNs, and Networks with pfSense
83 views
€16.90
NEW
Linux System Auditing with Auditd and Systemd Journal
A Practical Guide to Monitoring, Logging, and Securing Your Linux Systems
73 views
€15.90
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 252+ 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 252+ 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.