IT eBooks on Sale — 40% Off or More
76 books
AWS Cost Optimization for Linux Workloads
Cut Your AWS Bill by 30–60% Without Breaking Production
13 views
€8.90 €4.90
Linux Shell Scripting for Beginners
A Hands-On Guide to Bash Automation, Scripting Fundamentals, and Real-World Projects - Volume 3
15 views
€10.90 €5.90
Linux Security Basics
A Practical Guide to Hardening, Defending, and Auditing Linux Systems - Volume 7.
18 views
€10.90 €5.90
Networking Essentials in Linux
A Practical Guide to Configuration, Troubleshooting, and Secure Remote Access - Volume 5.
14 views
€10.90 €5.90
Linux File Management and Permissions
A Professional Guide to Files, Ownership, and Secure Access Control - Volume 2
15 views
€10.90 €5.90
Linux for System Administrators
Beginner's Guide to Managing, Securing, and Automating Linux Systems - Volume 8.
17 views
€10.90 €5.90
Linux System Monitoring and Performance
A Practical Guide to Observing, Diagnosing, and Tuning Linux Systems - Volume 6.
17 views
€10.90 €5.90
Package Management in Linux
Master APT, DNF, RPM, Snap, and Flatpak Across Every Major Distribution - Volume 4.
17 views
€10.90 €5.90
AWS S3 and IAM in Practice
Object Storage, Identity, and Access Control for Production Linux Environments
14 views
€11.90 €5.90
Becoming an AI-Driven Senior Engineer
Mastering Technical Excellence, Decision-Making, and Leadership in the Age of AI-Assisted Development
136 views
€15.90 €6.90
PowerShell and Microsoft Graph API
Automating Cloud Administration - 2nd Edition
15 views
€14.90 €7.90
System Design with AI Support
Designing Scalable, Reliable, and Intelligent Architectures with AI as Your Co-Pilot
132 views
€15.90 €7.90
Building Production-Ready Apps with AI Pair Programming
From Prototype to Deployment: Designing, Securing, Testing, and Scaling Real-World Applications with AI-Assisted Development
145 views
€14.90 €8.90
Prompt Engineering for Developers
Designing Precise, Testable, and Production-Ready AI Instructions for Modern Software Engineering
141 views
€14.90 €8.90
AI-Assisted Coding Foundations
A Practical Developer’s Guide to Writing Better, Faster, and Smarter Code with AI Pair Programming
145 views
€15.90 €8.90
Mastering PowerShell Automation: From Beginner to Advanced
Part of Micro Learning | PowerShell Series – Book No. 2
144 views
€16.90 €8.90
PowerShell and JSON: From Beginner to Advanced
Part of Micro Learning | PowerShell Series – Book No. 3
154 views
€14.90 €8.90
Premium IT & Linux eBooks for Professionals
Welcome to the Dargslan eBook library — a curated collection of 76+ practical digital books covering Linux administration, DevOps, cloud infrastructure, cybersecurity, Python programming, Windows Server, networking, and modern software engineering. Every title is hand-picked, reviewed for accuracy, and written by working engineers who use these tools every day in production environments. Whether you are preparing for a Red Hat, AWS, or Microsoft certification, hardening a Linux server, building a CI/CD pipeline, or learning a new scripting language, our catalog gives you battle-tested guidance you can apply immediately.
What makes our IT eBook collection different
Most online learning platforms lock content behind expensive monthly subscriptions or push outdated PDFs that were last updated years ago. We do the opposite: buy once, own forever, with free lifetime updates whenever a major edition is released. Every eBook ships in modern PDF and EPUB formats, is DRM-free, and works on any device — Linux, macOS, Windows, iPad, Kindle, or your favorite e-reader. Average price across the catalog is around €14, and we regularly offer curated bundles that drop the per-book price even lower.
Topics we cover in depth
- Linux & Unix: Bash scripting, systemd, package management, kernel internals, performance tuning, and distribution-specific guides for Ubuntu, Debian, RHEL, AlmaLinux, Arch, and Fedora.
- DevOps & SRE: Docker, Kubernetes, Terraform, Ansible, GitOps, CI/CD with GitHub Actions and GitLab, observability with Prometheus and Grafana, and incident response playbooks.
- Cloud Infrastructure: AWS, Azure, and Google Cloud architecture patterns, cost optimization, IAM hardening, serverless design, and multi-cloud strategies.
- Cybersecurity: Penetration testing, OSSEC, Wazuh, SELinux, AppArmor, network forensics, OWASP Top 10, secure coding, and Linux server hardening.
- Python & Automation: CLI tools, async programming, FastAPI, data engineering, infrastructure-as-code with Python, and AI/LLM integration.
- Windows Server & PowerShell: Active Directory, Group Policy, PowerShell automation modules, and hybrid Windows/Linux administration.
Why thousands of engineers choose Dargslan
Our readers include sysadmins, DevOps engineers, security analysts, software developers, IT students, and university lecturers across more than 60 countries. They choose Dargslan because every book is practical first, theoretical second — packed with real terminal sessions, working configuration files, copy-pasteable code, and architecture diagrams that reflect how systems actually run in production. We also offer free sample chapters on every book page so you can verify the quality before purchasing, plus a transparent 14-day refund policy if a book doesn't meet your expectations.
Instant access, secure checkout
Checkout takes under 30 seconds with Stripe or PayPal, and your download links are emailed instantly along with access from your account dashboard. All transactions use 256-bit SSL encryption, and we never store payment details on our servers. Need an invoice for your company or VAT reverse-charge inside the EU? Every order automatically generates a compliant PDF invoice with your company details.
Browse the catalog above, filter by category or price, or explore our bundle deals, best-book lists, free eBooks, and technical blog for in-depth articles, cheat sheets, and tutorials. New titles are added every month — subscribe to our newsletter to get a 20% launch discount on every new release.